RT45 Tier 4 Operator’s Manual CMW® Issue 2.
RT45 Operator’s Manual Overview - 1 Overview Chapter Contents Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 2 Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Equipment Modification . . . . . . . . . . . . . . . . . . . . . . 3 Unit Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Operator Orientation. . . . . . . . . . . . . . . . . . . . . . . . . 5 About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . .
RT45 Operator’s Manual Overview - 2 Serial Number Location Serial Number Location Record serial numbers and date of purchase in spaces provided. RT45 (2) and engine (1) serial numbers are located as shown.
RT45 Operator’s Manual Overview - 3 Intended Use Intended Use The RT45 is a riding trencher designed to install buried service lines of various sizes using a variety of Ditch Witch® attachments. Attachment Max. width/diameter Max. depth H313 trencher 12 in (305 mm) 63 in (1.6 m) H314 trencher, center 12 in (305 mm) 52 in (1.3 m) H314 trencher, offset 8 in (200 mm) 52 in (1.3 m) H331 plow 3 in (76 mm) 24 in (610 mm) trencher 8 in (200 mm) 42 in (1.
Overview - 4 RT45 Operator’s Manual Unit Components Unit Components 1. Rollover Protective Structure (ROPS) 5. Center console 2. Right console 6. Engine compartment 3. Left console 7. Backfill blade 4.
RT45 Operator’s Manual Overview - 5 Operator Orientation Operator Orientation 1. Front of unit 3. Rear of unit 2. Right of unit 4. Left of unit Right and left sides of machine are determined by facing front of unit while seated at the controls. About This Manual This manual contains information for the proper use of this machine. See Operation Overview for basic operating procedures. Cross references such as “See page 50” will direct you to detailed procedures.
Overview - 6 CMW® RT45 Operator’s Manual
RT45 Operator’s Manual Foreword - 7 Foreword This manual is an important part of your equipment. It provides safety information and operation instructions to help you use and maintain your Ditch Witch® equipment. Read this manual before using your equipment. Keep it with the equipment at all times for future reference. If you sell your equipment, be sure to give this manual to the new owner. If you need a replacement copy, contact your Ditch Witch dealer.
RT45 Operator’s Manual Foreword - 8 RT45 Operator’s Manual This manual covers the following model: RT45 Tier 4. Issue number 2.0/OM-09/14 Part number 053-2746 Copyright 2014 by The Charles Machine Works, Inc. , Ditch Witch, CMW, and Roto Witch are registered trademarks of The Charles Machine Works, Inc. This product is covered by one or more of the following patents: U.S. D640290, D640291, D640292, and 8375605 with other U.S. and foreign patents pending.
RT45 Operator’s Manual Contents - 11 Contents Overview 1 machine serial number, information about the type of work this machine is designed to perform, basic machine components, and how to use this manual Foreword 7 part number, revision level, and publication date of this manual, and factory contact information Safety 13 machine safety alerts and emergency procedures Controls 29 machine controls, gauges, and indicators and how to use them Operation Overview 61 an overview for completing a j
Contents - 12 RT45 Operator’s Manual Drill 107 procedures for drilling Microtrench 115 procedures for microtrenching Systems and Equipment 127 chain, teeth, sprockets, and optional equipment Complete the Job 135 procedures for backfilling and restoring the jobsite and rinsing and storing equipment Service 137 service intervals and instructions for this machine including lubrication, replacement of wear items, and basic maintenance Specifications 183 machine specifications including weight
RT45 Operator’s Manual Safety - 13 Safety Chapter Contents Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Emergency Procedures . . . . . . . . . . . . . . . . . . . . . 15 • Electric Strike Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 • If an Electric Line is Damaged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 • If a Gas Line is Damaged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety - 14 RT45 Operator’s Manual Guidelines Guidelines Follow these guidelines before operating any jobsite equipment: • Complete proper training and read operator’s manual before using equipment. • Contact your local One-Call (811 in USA) or the One-Call referral number (888-258-0808 in USA and Canada) to have underground utilities located before digging. Also contact any utilities that do not participate in the One-Call service.
RT45 Operator’s Manual Safety - 15 Emergency Procedures Emergency Procedures Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment. 274-050 Before operating any equipment, review emergency procedures and check that all safety precautions have been taken. EMERGENCY SHUTDOWN - Turn ignition switch to stop position or push remote engine stop button (if equipped). Electric Strike Description Electric shock.
Safety - 16 RT45 Operator’s Manual Emergency Procedures If an Electric Line is Damaged If you suspect an electric line has been damaged and you are on tractor, DO NOT MOVE. Remain on tractor and take the following actions. The order and degree of action will depend upon the situation. • Warn people nearby that an electric strike has occurred. Instruct them to leave the area and contact utility. • Raise attachments and drive from immediate area. • Contact utility company to shut off power.
RT45 Operator’s Manual Safety - 17 Emergency Procedures If a Gas Line is Damaged Fire or explosion possible. Fumes could ignite and cause burns. No smoking, no flame, no spark. 275-419 (2P) Explosion possible. Serious injury or equipment damage could occur. Follow directions carefully. If you suspect a gas line has been damaged, take the following actions. The order and degree of action will depend on the situation. • Immediately shut off engine(s), if this can be done safely and quickly.
Safety - 18 RT45 Operator’s Manual Emergency Procedures If a Fiber Optic Cable is Damaged Do not look into cut ends of fiber optic or unidentified cable. Vision damage can occur. Contact utility company. If Machine Catches on Fire Perform emergency shutdown procedure and then take the following actions. The order and degree of action will depend on the situation. • Immediately move battery disconnect switch (if equipped and accessible) to disconnect position.
RT45 Operator’s Manual Safety - 19 Safety Alert Classifications Safety Alert Classifications These classifications and the icons defined on the following pages work together to alert you to situations which could be harmful to you, jobsite bystanders or your equipment. When you see these words and icons in the book or on the machine, carefully read and follow all instructions. YOUR SAFETY IS AT STAKE. Watch for the three safety alert levels: DANGER, WARNING and CAUTION. Learn what each level means.
RT45 Operator’s Manual Safety - 20 Machine Safety Alerts Machine Safety Alerts Runaway possible. Start from operator’s position 1 2 only. 275-070 Read operator’s manual. Know how to use all controls. Your safety is at stake. 273-475 Hot parts may cause burns. Do not touch until cool 3 CMW® or wear gloves.
RT45 Operator’s Manual Safety - 21 Machine Safety Alerts Rollover could kill or crush. Wear seat belt. 275-303 4 5 Fall possible. Riders can fall from machine and be injured or killed. Only operator is allowed on machine. 273-487 Tiedown location. See Transport chapter for more information. 274-318 6 Fire or explosion possible. Do not use starter fluid.
RT45 Operator’s Manual Safety - 22 Attachment Safety Alerts Attachment Safety Alerts H313 1 Moving digging teeth will cause death or serious injury. Trench cave-in can cause you to fall. Stay away. 274-002 Lift point. See Transport chapter for more information. 274-442 2 3 CMW® Moving digging teeth will cause death or serious injury. Trench cave-in can cause you to fall. Stay away.
RT45 Operator’s Manual Safety - 23 Attachment Safety Alerts H314 1 Moving digging teeth will cause death or serious injury. Trench cave-in can cause you to fall. Stay away. 274-002 Lift point. See Transport chapter for more information. 274-442 2 3 Moving digging teeth will cause death or serious injury. Trench cave-in can cause you to fall. Stay away.
Safety - 24 RT45 Operator’s Manual Attachment Safety Alerts H331 Lift point. See Transport chapter for more information.
RT45 Operator’s Manual Safety - 25 Attachment Safety Alerts H350 1 Moving digging teeth will cause death or serious injury. Trench cave-in can cause you to fall. Stay away. 274-002 Lift point. See Transport chapter for more information.
RT45 Operator’s Manual Safety - 26 Attachment Safety Alerts H342 Moving parts could cut off hand. Keep hands away. 1 2 3 4 275-184 Flying objects thrown by machine may strike people. Wear safety glasses and hard hat. 275-193 Moving digging teeth will cause serious injury or death. Stay away. 275-443 Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away. 275-326 Lift point. See Transport chapter for more information.
RT45 Operator’s Manual Safety - 27 Attachment Safety Alerts MT12 Moving parts could cut off hand. Keep hands away. 1 275-184 Tiedown location. See Transport chapter for more information. 274-318 2 Lift point. See Transport chapter for more information. 274-442 3 4 Flying objects thrown by machine may strike people. Wear safety glasses and hard hat.
RT45 Operator’s Manual Safety - 28 Attachment Safety Alerts 5 Moving digging teeth will cause serious injury or death. Stay away. 275-443 Hot parts may cause burns. Do not touch until cool 6 7 or wear gloves. 275-355 Fall possible. Riders can fall from machine and be injured or killed. Only operator is allowed on machine. 273-487 RWIII/RWIV Turning shaft will kill you or crush arm or leg. Stay 1 CMW® away.
RT45 Operator’s Manual Controls - 29 Controls Chapter Contents Center Console . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 • Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 • Graphic Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Right Fender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 • Tractor Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controls - 30 RT45 Operator’s Manual Center Console Center Console Controls 1. Auxiliary power outlet 4. Graphic display 2. Engine override switch 5. Ignition switch 3. Horn 6.
RT45 Operator’s Manual Controls - 31 Center Console Item Description Notes 1. Auxiliary power outlet Provides power for other equipment. Power output is 12V, 5A. 2. Engine override switch If engine shutdown indicator comes on, press to delay engine shutdown for 30 seconds. This control allows a temporary override of engine shutdown. NOTICE: After 30 seconds, engine will again shut down unless fault condition has been cleared on diagnostic gauge. c00ic024w.eps 3. Horn To sound horn, press. 4.
RT45 Operator’s Manual Controls - 32 Center Console Item Description Notes 6. Ground drive foot control To move tractor forward, push top of pedal. Pedal should automatically return to neutral when released. To move tractor backward, push bottom of pedal. To increase speed in either direction, push pedal farther from center. To reduce speed in either direction, release pedal.
RT45 Operator’s Manual Controls - 33 Center Console Graphic Display 1. Hydraulic fluid temperature indicator 8. Engine oil pressure indicator 2. Operator presence indicator 9. Diagnostic menu button 3. Engine speed (RPM) 10. Hourmeter 4. Diagnostic message indicator 11. Settings menu button 5. Ground drive neutral indicator 12. Air filter restriction indicator 6. Attachment drive neutral indicator 13. Electrical system voltage 7. Engine coolant temperature 14.
RT45 Operator’s Manual Controls - 34 Center Console Item Description Notes 1. Hydraulic fluid temperature indicator Lights if hydraulic fluid overheats. Light will come on briefly when engine is started. If light remains on: • Check that engine fan is turning when engine is running. • Turn off engine and let it cool. • Check hydraulic fluid level. • Check front of hydraulic fluid cooler for debris. c00ic037t.eps 2. Operator presence indicator Lights when operator is in seat.
RT45 Operator’s Manual Controls - 35 Center Console Item Description Notes 6. Attachment drive neutral indicator Lights when attachment drive/ direction control is in neutral. Part of the start interlock system. To start engine, N • operator must be in seat, • attachment drive control must be in neutral, and • ground drive control must be in neutral. c00ic021w.eps 7. Engine coolant temperature Will flash if engine coolant temperature rises above 230°F(110°C). c00ic004w.eps 8.
RT45 Operator’s Manual Controls - 36 Center Console Item Description Notes 12. Air filter restriction indicator Indicator will begin flashing once the air filter is 25% unrestricted. Percentage will decrease as air filter becomes more restricted. To view the air filter percentage before 25% unrestricted, press the diagnostics menu button at any time. For best results, replace filter between 25% and 0%. Reset after replacing air filter. 13. Electrical system voltage Displays system voltage.
RT45 Operator’s Manual Controls - 37 Right Fender Right Fender Tractor Controls 1. Ground drive speed/direction control 4. Backfill blade tilt control * 2. Rear steer indicator* 5. Rear steer control* 3. Backfill blade control 6.
RT45 Operator’s Manual Controls - 38 Right Fender Item Description Notes 1. Ground drive speed/ direction control To go forward, push. Control does not automatically return to neutral position when released. To go backward, pull. To go faster in either direction, move farther from center. To stop, move to neutral. c00ic251h.eps 2. Rear steer indicator Rotates to displays position of rear wheels. 3. Backfill blade control To lower blade, push. To put blade in float, push fully forward.
RT45 Operator’s Manual Controls - 39 Right Fender Item Description 4. Backfill blade tilt control To tilt right side of blade down, push. Notes To tilt left side of blade down, pull. c00ic253h.eps 5. Rear steer control To turn rear wheels right, push until wheels reach desired position, then release. To turn rear wheels left, pull until wheels reach desired position, then release. 6. Throttle To increase engine speed, push. To decrease engine speed, pull.
RT45 Operator’s Manual Controls - 40 Right Fender Trencher Controls Note: Control configuration with rear steer option is shown in main illustration. Control configuration without rear steer is shown in balloon. 1. Trencher slide control* 3. Backfill blade tilt/trencher slide selector* 2. Boom lift control *H314 only Item Description 1. Trencher slide control To slide trencher right, push. To slide trencher left, pull. c00ic198h.
RT45 Operator’s Manual Controls - 41 Right Fender Item Description 2. Boom lift control To lower, push. Notes To raise, pull. 3. Backfill blade tilt/ trencher slide selector To control backfill blade tilt, push. To control trencher slide, pull. c00ic263h.
RT45 Operator’s Manual Controls - 42 Right Fender Plow Controls Note: Control configuration with rear steer option is shown in main illustration. Control configuration without rear steer is shown in balloon. 1. Plow swing control 3. Backfill blade tilt/plow swing selector 2. Plow lift control Item Description 1. Plow swing control To swing left, pull. To swing right, push. c00ic202h.
RT45 Operator’s Manual Controls - 43 Right Fender Item Description 2. Plow lift control To raise, pull. Notes To lower, push. c00ic204h.eps 3. Backfill blade tilt/plow swing selector To control backfill blade tilt, push. Use when optional 6-way backfill blade is installed. To control plow swing, pull. c00ic264h.
RT45 Operator’s Manual Controls - 44 Right Fender Combo Controls Note: Control configuration with rear steer option is shown in main illustration. Control configuration without rear steer is shown in balloon. 1. Trencher/Plow lift control 2. Trencher/plow select control Item Description 1. Trencher/Plow lift control To raise selected attachment, pull. To lower selected attachment, push.
RT45 Operator’s Manual Controls - 45 Right Fender Item Description 2. Trencher/plow select control To select plow, push. Notes To select trencher, pull.
RT45 Operator’s Manual Controls - 46 Right Fender Saw Controls Note: Control configuration with rear steer option is shown in main illustration. Control configuration without rear steer is shown in balloon. 1. Saw swing control 3. Backfill blade tilt/saw swing selector 2. Saw lift control Item Description 1. Saw swing control To swing saw to left, pull. To swing saw to right, push.
RT45 Operator’s Manual Controls - 47 Right Fender Item Description 2. Saw lift control To lower, push. Notes To raise, pull. 3. Backfill blade tilt/saw swing selector To control backfill blade tilt, push. To control saw swing, pull. c00ic264h.
RT45 Operator’s Manual Controls - 48 Right Fender Microtrencher Controls Tractor 1. Traverse (slide) control 3. Lift control 2. Level control 4. Backfill blade tilt / Traverse selector Item Description 1. Traverse (slide) control To slide microtrencher right, push. To slide microtrencher left, pull.
RT45 Operator’s Manual Controls - 49 Right Fender Item Description 2. Level control To lower rear of microtrencher, push. Notes To raise rear of microtrencher, pull. 3. Lift control To lower, push. To raise, pull. 4. Backfill blade tilt / Traverse selector To control backfill blade tilt, push. Use when optional 6-way backfill blade is installed. To control microtrencher traverse, pull.
RT45 Operator’s Manual Controls - 50 Right Fender MT12 MicroTrencher Attachment 1. Swing lock handle 3. Bubble level 2. Manual tilt adjustment 4. Level indicator Item Description Notes 1. Saw swing lock handle To lock, move handle toward tractor. Operate with microtrencher locked in most situations. To unlock, move handle toward microtrencher. 2. Manual tilt adjustment Turn screw in to adjust angle left. Turn screw out to adjust angle right.
RT45 Operator’s Manual Controls - 51 Right Fender Item Description Notes 3. Bubble level Displays left-to-right microtrencher angle. Use manual tilt adjustment and bubble level together to adjust microtrencher to match jobsite conditions. See “Adjust Tilt” on page 4. Level indicator Indicates when base of microtrencher is level with pavement. Use lift and level controls together to adjust microtrencher base until it is flat on pavement.
RT45 Operator’s Manual Controls - 52 Left Fender Left Fender 1. Parking brake 3. Attachment speed/direction control 2. Work light switch* * optional Item Description 1. Parking brake To set, pull. To release, push. c00ic268h.
RT45 Operator’s Manual Controls - 53 Left Fender Item Description 2. Work light switch To turn on, press top. Notes To turn off, press bottom. 3. Attachment speed/ direction control To rotate attachment forward or to start plow vibrator box, push. To rotate attachment backward, pull. To go faster in either direction, move farther from center. Control does not return to neutral when released. NOTICE: When operating plow, do not pull control to reverse.
RT45 Operator’s Manual Controls - 54 Seat Seat 1. Seat belt 2. Seat slide control Item Description 1. Seat belt To fasten, insert latch into buckle. Adjust until seat belt is low and tight. To release, lift top of buckle. 2. Seat slide control To slide seat forward or backward, pull or push left, then adjust seat. To lock seat in place, release.
RT45 Operator’s Manual Controls - 55 Backhoe Console Backhoe Console 1. Remote throttle on/off 7. Remote engine stop switch 2. Remote throttle increase/decrease 8. Seat latch 3. Boom/Swing control 9. Neutral switch* 4. Left stabilizer control 10. Mechanical stow lock control 5. Right stabilizer control 11. Work light switch* 6. Bucket/Dipper control 12. Backfill blade control* 13.
RT45 Operator’s Manual Controls - 56 Backhoe Console Item Description 1. Remote throttle on/off To turn on, press top. Notes To turn off, press bottom. 2. Remote throttle increase/decrease To increase engine speed, press top. To decrease engine speed, press bottom. 3. Boom/Swing control To swing boom left, move left. To swing boom right, move right. To raise boom, pull. To lower boom, push. 4. Left stabilizer control To lower, pull. To raise, push. 5. Right stabilizer control To lower, pull.
RT45 Operator’s Manual Controls - 57 Backhoe Console Item Description Notes 6. Bucket/Dipper control To open bucket, move right. Control can perform more than one action at a time. By “feathering” the control, operator can combine backhoe operations. To close bucket, move left. To move dipper in, pull. To move dipper out, push. 7. Remote engine stop switch Stops engine immediately. IMPORTANT: • Except in an emergency, move throttle to idle before using stop switch.
RT45 Operator’s Manual Controls - 58 Backhoe Console Item Description Notes 11. Mechanical stow lock control To lock, push stow lock handle. Use this control to lock boom in the stowed position. To unlock, move stow lock handle to right. NOTICE: Always lock boom during transport. c00ic269h.eps 12. Backfill blade control To lower, push. To raise, push. c00ic650w.eps 13. Remote ground drive control To move forward, push. To move in reverse, pull. c00ic652w.
RT45 Operator’s Manual Controls - 59 Engine Engine 1. Battery disconnect switch Item Description 2. Battery disconnect switch To disconnect, move switch so that indicator points left. Notes To connect, move switch so that indicator points right.
Controls - 60 RT45 Operator’s Manual Engine CMW®
RT45 Operator’s Manual Operation Overview - 61 Operation Overview Chapter Contents Planning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Trenching. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Plowing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Sawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Drilling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Digging with Backhoe . . . . .
Operation Overview - 62 RT45 Operator’s Manual Planning Planning 1. Gather information about jobsite. See page 66. 2. Inspect jobsite. See page 67. 3. Classify jobsite. See page 68. 4. Select chain and teeth to match your soil type, if necessary. See page 128. 5. Check supplies and prepare equipment. See page 70. 6. Haul equipment to jobsite. See page 81. Trenching 1. Start unit. See page 72. 2. Position tractor and controls. See page 86. 3. Begin trenching. See page 87. 4. Complete the installation.
RT45 Operator’s Manual Operation Overview - 63 Sawing Sawing 1. Start unit. See page 72. 2. Position tractor and controls. See page 96. 3. Begin sawing. See page 98. 4. Complete the installation. See page 99. 5. Backfill the trench. See page 136. 6. Shut down tractor. See page 74. Drilling 1. Start unit. See page 72. 2. Dig approach trench and target trench. See page 109. 3. Assemble drill string and position tractor. See page 110. 4. Begin drilling. See page 111. 5. Use drill string guide as needed.
Operation Overview - 64 RT45 Operator’s Manual Digging with Backhoe Digging with Backhoe 1. Start unit. See page 72. 2. Set stabilizers and unstow backhoe. See page 102. 3. Excavate. See page 103. 4. Stow backhoe properly. See page 105. 5. Shut down tractor. See page 74. Microtrenching 1. Start unit. See page 72. 2. Position tractor and controls. See page 116. 3. Begin trenching. See page 123. 4. Complete the installation. See page 124. 5. Backfill the trench. See page 136. 6. Shut down tractor.
RT45 Operator’s Manual Prepare - 65 Prepare Chapter Contents Gather Information . . . . . . . . . . . . . . . . . . . . . . . . . 66 • Review Job Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 • Notify One-Call Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 • Arrange for Traffic Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 • Plan for Emergency Services . . . . . . . . . . . . . . .
Prepare - 66 RT45 Operator’s Manual Gather Information Gather Information A successful job begins before you dig. The first step in planning is reviewing information already available about the job and jobsite. Review Job Plan Review blueprints or other plans. Check for information about existing or planned structures, elevations, or proposed work that may be taking place at the same time.
RT45 Operator’s Manual Prepare - 67 Inspect Site Inspect Site Inspect jobsite before transporting equipment. Check for the following: • changes in elevation such as hills or other open trenches • obstacles such as buildings, railroad crossings, or streams • signs of utilities (See “Inspect Jobsite” on page 68.) • traffic • access • soil type and condition Identify Hazards Identify safety hazards and classify jobsite. See “Classify Jobsite” on page 68.
Prepare - 68 RT45 Operator’s Manual Classify Jobsite Classify Jobsite Inspect Jobsite • Follow U.S. Department of Labor regulations on excavating and trenching (Part 1926, Subpart P) and other similar regulations. • Contact your local One-Call (811 in USA) or the One-Call referral number (888-258-0808 in USA and Canada) to have underground utilities located before digging. Also contact any utilities that do not participate in the One-Call service.
RT45 Operator’s Manual Prepare - 69 Classify Jobsite Apply Precautions Once classified, precautions appropriate for jobsite must be taken. Electric Jobsite Precautions Use one or both of these methods. • Expose line by careful hand digging or soft excavation. • Have service shut down while work is in progress. Have electric company test lines before returning them to service. Natural Gas Jobsite Precautions In addition to positioning equipment upwind from gas lines, use one or both of these methods.
Prepare - 70 RT45 Operator’s Manual Check Supplies and Prepare Equipment Check Supplies and Prepare Equipment Supplies • fuel • keys • personal protective equipment, such as hard hat and safety glasses Fluid Levels • fuel • hydraulic fluid • battery charge • engine oil • engine coolant Condition and Function • digging chain and teeth • fan belts • light bulbs • filters (air, oil, hydraulic) • tires • pumps and motors • hoses and valves • signs, guards, and shields Accessori
RT45 Operator’s Manual Drive - 71 Drive Chapter Contents Start Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Shut Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drive - 72 RT45 Operator’s Manual Start Unit Start Unit Before operating tractor, read engine manufacturer’s starting and operating instructions. Follow instructions for new engine break-in. Read operator’s manual. Know how to use all controls before operating machine. When you see this sign on the machine or in the manual, read it and use caution. Your safety is at stake. 273-475 To help avoid injury: • Read operator’s manual before operating equipment. Follow instructions carefully.
RT45 Operator’s Manual Drive - 73 Start Unit 1. Fasten and adjust seat belt. 2. Check that ground drive control and attachment speed/direction control are in neutral. 3. Move throttle to idle. 4. Verify that parking brake is engaged. 5. Turn ignition switch to the run position (key on, engine off). Cold start wait indicator will appear. Explosion possible. Serious injury or equipment damage could occur. Follow directions carefully.
RT45 Operator’s Manual Drive - 74 Drive Drive Moving traffic – hazardous situation. Death or serious injury could result. Avoid moving vehicles, wear high visibility clothing, post appropriate warning signs. To help avoid injury: • Drive carefully in congested areas. Know machine’s clearance and turning radius. • Keep attachments low when operating on slope. Drive slowly and cautiously. EMERGENCY SHUTDOWN: Turn ignition switch to STOP. 1. Turn on lights as needed. 2.
RT45 Operator’s Manual Transport - 75 Transport Chapter Contents Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 • Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 • Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Tie Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 • Points . . . . . . . . . . . . . . . . . . . . . . . .
Transport - 76 RT45 Operator’s Manual Lift Lift Crushing weight. If load falls or moves it could kill or crush you. Use proper procedures and equipment or stay away. Read operator’s manual. Know how to use all controls before operating machine. When you see this sign on the machine or in the manual, read it and use caution. Your safety is at stake. 273-475 Points Lifting points are identified by lifting decals. Lifting at other points is unsafe and can damage machinery.
RT45 Operator’s Manual Transport - 77 Lift Procedure Tractor This machine is not configured for lifting. If the machine must be lifted, load machine into a container or onto a platform appropriate for lifting. See “Specifications” on page 187 for size and weight of machine. H313/H314 Trenchers Use crane capable of supporting the equipment's size and weight. See page 188 or measure and weigh equipment before lifting. NOTICE: Do not lift tractor with installed attachment. t28om010h.
RT45 Operator’s Manual Transport - 78 Lift H350 Combo Use crane capable of supporting the equipment's size and weight. See page 192 or measure and weigh equipment before lifting. NOTICE: Do not lift tractor with installed attachment. t28om089h.eps t28om090h.
RT45 Operator’s Manual Transport - 79 Lift Reel Carrier Use crane capable of supporting the equipment's size and weight. See page 183 or measure and weigh equipment before lifting. NOTICE: • Do not lift reel carrier with reel installed. • Do not lift tractor with installed attachment. H342 Saw Use crane capable of supporting the equipment's size and weight. See page 194 or measure and weigh equipment before lifting. NOTICE: Do not lift tractor with installed attachment.
RT45 Operator’s Manual Transport - 80 Tie Down Tie Down Read operator’s manual. Know how to use all controls before operating machine. When you see this sign on the machine or in the manual, read it and use caution. Your safety is at stake. 273-475 Points Tiedown points are identified by tiedown decals. Securing to trailer at other points is unsafe and can damage machinery. Procedure Tractor Attach chains at front and rear tiedown points. Make sure chains are tight before transporting unit.
RT45 Operator’s Manual Transport - 81 Haul Haul Read operator’s manual. Know how to use all controls before operating machine. When you see this sign on the machine or in the manual, read it and use caution. Your safety is at stake. 273-475 To help avoid injury: • Read trailer operator’s manual before loading or transporting your machine. Incorrectly loaded machine can slip or cause trailer sway. • Ensure that tow vehicle has proper tow capacity rating.
RT45 Operator’s Manual Transport - 82 Haul Load Crushing weight. If load falls or moves it could kill or crush you. Use proper procedures and equipment or stay away. To help avoid injury: • Attach trailer to tow vehicle before loading or unloading. • Load and unload trailer on level ground. • Block trailer wheels. Rollover possible. If machine rolls over, you could be thrown from seat and killed or crushed. Wear seat belt. 275-303 1. Fasten and adjust seat belt. 2. Start tractor.
RT45 Operator’s Manual Transport - 83 Haul Unload Crushing weight. If load falls or moves it could kill or crush you. Use proper procedures and equipment or stay away. To help avoid injury: • Attach trailer to tow vehicle before loading or unloading. • Load and unload trailer on level ground. • Block trailer wheels. Rollover possible. If machine rolls over, you could be thrown from seat and killed or crushed. Wear seat belt. 275-303 1. Lower trailer or ramps. 2. Remove chains from tiedowns. 3.
RT45 Operator’s Manual Transport - 84 Tow Tow Read operator’s manual. Know how to use all controls before operating machine. When you see this sign on the machine or in the manual, read it and use caution. Your safety is at stake. 273-475 Under normal conditions, tractor should not be towed. If tractor becomes disabled and towing is necessary: • Do not tow for more than 200 yd (180 m). • Tow at less than 1 mph (1.6 km/h). • Use maximum towing force of 1.5 times unit weight. Procedure 1.
RT45 Operator’s Manual Trench - 85 Trench Chapter Contents Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RT45 Operator’s Manual Trench - 86 Setup Setup EMERGENCY SHUTDOWN - Turn ignition switch to STOP. Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away. To help avoid injury: Use attachments or counterweights to make front and rear loads balance when all attachments are raised. Contact your Ditch Witch® dealer about counterweighting for your equipment. Jobsite hazards could cause death or serious injury. Use correct equipment and work methods.
RT45 Operator’s Manual Trench - 87 Setup Operation Breathing crystalline silica dust may cause lung disease. Cutting, drilling, or working materials such as concrete, sand, or rock containing quartz may result in exposure to silica dust. Use dust control methods or appropriate breathing protection when exposed to silica dust. Electrical shock. Contacting electrical lines will cause death or serious injury. Know location of lines and stay away. To help avoid injury: Expose lines by hand before digging.
Trench - 88 RT45 Operator’s Manual Setup 2. If necessary, adjust throttle to low idle. 3. Move attachment speed/direction control to desired speed. DIGGING CHAIN WILL MOVE. NOTICE: Always start trenching with attachment speed set at low. If soil conditions permit optimum digging at higher speeds, select high. 4. Increase engine speed to full throttle. 5. Slowly lower digging boom to depth. 6. Raise backfill blade and release parking brake. 7. Move ground drive control to desired speed. 8.
RT45 Operator’s Manual Plow - 89 Plow Chapter Contents Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 • Position Tractor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 • Attach Product. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RT45 Operator’s Manual Plow - 90 Setup Setup EMERGENCY SHUTDOWN - Turn ignition switch to STOP. Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away. To help avoid injury: Keep everyone at least 6’ (2 m) from machine, attachments, and their range of movement. Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment.
RT45 Operator’s Manual Plow - 91 Setup Position Tractor IMPORTANT: If material must be at a constant depth, dig starting and target trenches. 1. Fasten and adjust seat belt. 2. Start tractor. See page 72 for start-up procedures. 3. Drive to starting point. Move in line with planned trench. See page 74 for operating procedures. 4. Lower backfill blade. 5. Engage parking brake. 6. Lower plow to starting point of trench. 7. Turn ignition switch to STOP. Attach Product To Pull Product 1.
Plow - 92 RT45 Operator’s Manual Setup To Feed Product 1. Remove cable guide. 2. Feed cable through tube from top to bottom. 3. Replace cable guide and tighten fasteners. 4. Secure cable.
RT45 Operator’s Manual Plow - 93 Operation Operation Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away. Electrical shock. Contacting electrical lines will cause death or serious injury. Know location of lines and stay away. To help avoid injury: Expose lines by hand before digging. Cutting high voltage cable can cause electrocution Read operator’s manual. Know how to use all controls before operating machine.
Plow - 94 RT45 Operator’s Manual Operation Start Plowing 1. Fasten and adjust seat belt. 2. Start tractor. 3. Adjust throttle to low idle. 4. Check that ground drive control is in neutral. 5. Lower reel carrier to lowest position possible, if equipped. NOTICE: Use extreme caution when operating reel carrier on sloped surfaces. 6. If equipped with combo, move selector valve to plow position. If equipped with backfill blade tilt/ attachment swing valve and control, move selector to swing position. 7.
RT45 Operator’s Manual Saw - 95 Saw Chapter Contents Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 • Before First Use and After Replacing Bits. . . . . . . . . . . . . . . . . . . . . . . 97 • Normal Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RT45 Operator’s Manual Saw - 96 Setup Setup EMERGENCY SHUTDOWN - Turn ignition switch to STOP. Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away. To help avoid injury: Use attachments or counterweights to make front and rear loads balance when all attachments are raised. Contact your Ditch Witch® dealer about counterweighting for your equipment. Jobsite hazards could cause death or serious injury. Use correct equipment and work methods.
RT45 Operator’s Manual Saw - 97 Setup Before First Use and After Replacing Bits Read operator’s manual. Know how to use all controls before operating machine. When you see this sign on the machine or in the manual, read it and use caution. Your safety is at stake. 273-475 To help avoid injury: Unless otherwise instructed, all service should be performed with tractor off. Check Bit Clearance 1. Check that all bits are properly secured. 2. Check that all bit retaining rings are secure. 3.
RT45 Operator’s Manual Saw - 98 Operation Operation Breathing crystalline silica dust may cause lung disease. Cutting, drilling, or working materials such as concrete, sand, or rock containing quartz may result in exposure to silica dust. Use dust control methods or appropriate breathing protection when exposed to silica dust. Electrical shock. Contacting electrical lines will cause death or serious injury. Know location of lines and stay away. To help avoid injury: Expose lines by hand before digging.
RT45 Operator’s Manual Saw - 99 Operation Start Sawing IMPORTANT: • Before operating saw, check bits for free rotation. Tap bits lightly with a hammer and turn by hand. If bits are stuck, remove and clean packed soil from bit block. • Work slowly and carefully. • Saw use is not recommended for soft, wet, or sticky soil conditions. 1. Adjust throttle to low idle. 2. Lower backfill blade to ground 3. Move attachment speed/direction control to desired speed. SAW WILL TURN. 4.
Saw - 100 RT45 Operator’s Manual Operation CMW®
RT45 Operator’s Manual Backhoe - 101 Backhoe Chapter Contents Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 Stowing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Backhoe - 102 RT45 Operator’s Manual Setup Setup 1. Move attachment speed/direction control to neutral position. 2. Move ground drive control to neutral position. 3. Engage parking brake if not on level ground. 4. Lower rear attachment to 6” (150 mm) above ground. 5. Check that backfill blade is straight and lower it to ground. 6. Decrease engine speed to low throttle. 7. Move to backhoe operator’s station. 8. Release seat lock (shown) and move seat into operating position. 9.
RT45 Operator’s Manual Backhoe - 103 Operation Operation NOTICE: Hydraulic functions will be disconnected if operator leaves the backhoe seat. Dig Use boom/swing control and bucket/dipper control to dig hole or trench. • Keep dipper and boom at right angles as much as possible for maximum power. • Keep bucket in line with dipper as much as possible. • Position bucket so teeth cut soil. As soil is cut, curl bucket under dipper. • Move dipper and bucket together.
Backhoe - 104 RT45 Operator’s Manual Operation Move Unit To move unit from the backhoe operator’s station using the ground drive neutral function (standard): NOTICE: • Only use this method to move unit a few feet at one time. • Only move unit from backhoe operator’s station on level ground. 1. Raise stabilizers. 2. Press Ground Drive Neutral switch. 3. Use bucket and dipper to move unit. 4. Lower stabilizers.
RT45 Operator’s Manual Backhoe - 105 Operation Stow IMPORTANT: Before returning to tractor operator station, raise stabilizers, return remote throttle to low idle, and stow and lock boom. 1. When hole or trench is complete, lift boom while keeping dipper pointed at ground. 2. Curl bucket closed and move dipper fully toward boom. 3. Lift boom to highest position and engage stow lock.
Backhoe - 106 4. Raise stabilizers. 5. Return remote throttle to low idle. 6. Rotate seat into stowed position and engage seat lock (shown).
RT45 Operator’s Manual Drill - 107 Drill Chapter Contents Drilling Attachment . . . . . . . . . . . . . . . . . . . . . . . . 108 Prepare Jobsite and Equipment . . . . . . . . . . . . . 109 • Approach Trench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 • Target Trench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 • Drill Rod and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RT45 Operator’s Manual Drill - 108 Drilling Attachment Drilling Attachment Turning shaft will kill you or crush arm or leg. Stay away. 275-197 To help avoid injury: • Do not straddle trench or drill pipe while drilling. Keep everybody at least 10’ (3 m) away from drill pipe during operation. • Keep all persons away from material being installed. If swivel malfunctions, material being installed can rotate. • Use a guide to align drill rod when starting a bore.
RT45 Operator’s Manual Drill - 109 Prepare Jobsite and Equipment Prepare Jobsite and Equipment Approach Trench (1) 1. Mark path where you intend to drill. 2. Dig an approach trench (1) along the intended bore path. IMPORTANT: The approach trench should be at least: • deep enough for pipe to lay flat and enter soil at correct angle • 20’ (6 m) long • 4” (100 mm) wide Target Trench (2) 1. Select a completion point for the drilling project. 2.
Drill - 110 RT45 Operator’s Manual Prepare Jobsite and Equipment Drill Rod and Equipment 1. Assemble at least 20’ (6 m), but not more than 30’ (9 m), of drill rod. NOTICE: More than 10-15’ (3-4.5 m) of drill rod out of the trench increases the tendency of drill rod to bend. 2. Install drill bit to the cutting end of the drill string. 3. Put drill string in approach trench. 4. Move tractor to the approach trench and align the drilling attachment with the intended bore path. 5. Turn off engine. 6.
RT45 Operator’s Manual Drill - 111 Drill Drill EMERGENCY SHUTDOWN: Release drilling control and turn ignition switch to STOP. 1. Start tractor’s engine and begin clockwise (forward) rotation. 2. Slowly advance tractor while maintaining clockwise rotation. NOTICE: • Drilling too quickly causes bit to drift off course and may bend drill rod. After bore path is established, speed may be slightly increased.
RT45 Operator’s Manual Drill - 112 Drill Using Drill String Guide Turning shaft will kill you or crush arm or leg. Stay away. 275-197 To help avoid injury: • Do not straddle trench or drill rod while drilling. Keep everybody at least 10’ (3 m) away from drill rod during operation. • Use a drill string guide to align drill rod when starting a bore. Guides are available from your Ditch Witch® dealership. Use drill string guide to align drill string as it enters the soil.
RT45 Operator’s Manual Drill - 113 Add Rod Add Rod IMPORTANT: It is recommended that a helper be used to add drill rod. 1. Use control to stop drilling attachment. 2. Use ground drive controls to back up unit 6” (150 mm) to loosen drill rod in ground. 3. Disconnect drill rod from drilling attachment. 4. Use ground drive controls to move unit away from bore. 5. Add one drill rod to continue bore.
Drill - 114 RT45 Operator’s Manual Disassemble Joints Disassemble Joints 1. Press tab through hole in female side of joint (1) using special tool or screwdriver. 2. Pull rods apart (2).
RT45 Operator’s Manual Microtrenching - 115 Microtrenching Chapter Contents Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 • Before First Use and After Replacing Bits. . . . . . . . . . . . . . . . . . . . . . .117 • Normal Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 • Begin Trenching . . . . . . . . . . . . . . . . . . . . . . . . . . .
RT45 Operator’s Manual Microtrenching - 116 Setup Setup EMERGENCY SHUTDOWN - Turn ignition switch to STOP. Crushing weight could cause death or serious injury. Use proper procedures and equipment or stay away. NOTICE: Use attachments or counterweights to make front and rear loads balance when all attachments are raised. Contact your Ditch Witch® dealer about counterweighting for your equipment. Jobsite hazards could cause death or serious injury. Use correct equipment and work methods.
RT45 Operator’s Manual Microtrenching - 117 Setup Before First Use and After Replacing Bits Read operator’s manual. Know how to use all controls before operating machine. When you see this sign on the machine or in the manual, read it and use caution. Your safety is at stake. 273-475 To help avoid injury: Perform all service with tractor off and parking brake set, unless otherwise instructed. If attachment must be raised for service, only raise it enough to clear the ground.
Microtrenching - 118 RT45 Operator’s Manual Setup Normal Use 1. Fasten and adjust seat belt. 2. Start tractor. See page 72 for start-up procedures. 3. Raise microtrencher and drive to starting point. Move in line with planned trench. See page 74 for correct driving procedures. 4. Lower backfill blade. 5. Engage parking brake. 6. Lower microtrencher to just above ground. 7. Check that blade is in line with planned trench and that tires are pointing straight ahead. Adjust Trench Depth Blade 1.
RT45 Operator’s Manual Microtrenching - 119 Setup Adjust Tilt IMPORTANT: Microtrenching requires good contact between the microtrencher frame and the surface being cut. Use lift control, level control, and manual tilt to adjust microtrencher to match jobsite conditions. 1. Lower microtrencher and turn off tractor. 2. Loosen 4 clamp bolts (2, and two on other side of mount). 3. Adjust manual adjustment turn screw (1) and watch bubble level (3) until desired tilt is achieved. 4. Tighten clamp bolts.
RT45 Operator’s Manual Microtrenching - 120 Setup Prepare Spoils Removal Read operator’s manual. Know how to use all controls before operating machine. When you see this sign on the machine or in the manual, read it and use caution. Your safety is at stake. 273-475 To help avoid injury: Do not operate without blade cover and chutes or chute plates installed. The MT12 MicroTrencher is designed to operate optimally with an 800 cfm vacuum excavator unit to remove spoils.
RT45 Operator’s Manual Microtrenching - 121 Setup Position Alignment Guide 1. Mark intended trench path with paint. 2. Attach chain to backfill blade. 3. Adjust backfill blade until chain is in line with microtrencher blade. 4. Monitor chain periodically while trenching to ensure chain follows paint line during operation. 5. Remove chain from backfill blade before transporting tractor.
RT45 Operator’s Manual Microtrenching - 122 Operation Operation Breathing crystalline silica dust may cause lung disease. Cutting, drilling, or working materials such as concrete, sand, or rock containing quartz may result in exposure to silica dust. Use dust control methods or appropriate breathing protection when exposed to silica dust. Electrical shock. Contacting electrical lines will cause death or serious injury. Know location of lines and stay away.
RT45 Operator’s Manual Microtrenching - 123 Operation IMPORTANT: • Before operating microtrencher, check bits for free rotation. Tap bits lightly and turn by hand. If bits are stuck, remove and clean packed soil from bit block. • Work slowly and carefully. • Microtrencher is not recommended for soft, wet, or sticky soil conditions. Begin Trenching 1. Adjust throttle to low idle. 2. Lower backfill blade to ground. 3. Move attachment speed/direction control to desired speed. BLADE WILL TURN. 4.
Microtrenching - 124 RT45 Operator’s Manual Operation 6. Raise backfill blade. 7. Release parking brake. 8. Use ground drive control to set trenching speed. NOTICE: • Do not attempt to trench a radius smaller than 40’ (12.2 m). Serious damage to microtrencher and/or blade may result. • Release swing lock when cutting curved trenches. IMPORTANT: • Ground drive speed/direction can be controlled with foot pedal or hand lever. When trenching, set ground drive speed with hand lever.
RT45 Operator’s Manual Microtrenching - 125 Operation Using a Trench Cleaner Use the correct trench cleaner for your blade. Two trench cleaners are available: one for blades 1” (25 mm) or less and one for blades wider than 1” (25 mm). NOTICE: Do not start trench with trench cleaner in place. 1. Start trench and move forward a short distance. 2. Move ground drive to neutral and engage parking brake. 3. Raise microtrencher and stop rotation. 4. Remove trench cleaner from stowed position (shown). 5.
Microtrenching - 126 RT45 Operator’s Manual Operation CMW®
RT45 Operator’s Manual Systems and Equipment - 127 Systems and Equipment Chapter Contents Chain, Teeth, and Sprockets . . . . . . . . . . . . . . . . 128 • Chain and Tooth Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 • Chain Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 • Chain Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 Optional Equipment . . . . . . . . . . . . .
RT45 Operator’s Manual Systems and Equipment - 128 Chain, Teeth, and Sprockets Chain, Teeth, and Sprockets Chain and Tooth Maintenance • Always replace sprockets at the same time you replace the digging chain. Sprockets and chain are designed to work together. Replacing one without the other will cause premature wear of the new part. • Keep digging teeth sharp. Using dull, worn teeth will decrease production and increase shock load to other trencher components.
RT45 Operator’s Manual Systems and Equipment - 129 Chain, Teeth, and Sprockets Chain Selection These charts are meant as a guideline only. No one chain type works well in all conditions. See your Ditch Witch® dealer for soil conditions and chain recommendations for your area. Ask for the latest Chain, Teeth, and Sprockets Parts Catalog.
Systems and Equipment - 130 RT45 Operator’s Manual Optional Equipment Optional Equipment See your Ditch Witch® dealer for more information about the following optional equipment.
RT45 Operator’s Manual Systems and Equipment - 131 Counterweighting H342 Saw Equipment Description bits and bit holders replace as needed to increase efficiency and keep from damaging machine block repair jigs use to repair worn or damaged blocks or plates housing the bit holder; use block repair jig available from your Ditch Witch® dealer and an E7018 or equivalent A323 Backhoe IMPORTANT: A322 backhoe is not configured for the RT45 Tier 4.
Systems and Equipment - 132 RT45 Operator’s Manual Counterweighting CMW®
RT45 Operator’s Manual Complete the Job - 135 Complete the Job Chapter Contents Restore Jobsite . . . . . . . . . . . . . . . . . . . . . . . . . . . 136 • Backfilling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136 Rinse Equipment . . . . . . . . . . . . . . . . . . . . . . . . . 136 Stow Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Complete the Job - 136 RT45 Operator’s Manual Restore Jobsite Restore Jobsite After product is installed, return spoils to the trench with backfill blade. Backfilling 1. Position unit at end of trench, several feet from spoils. Aim tractor at outer edge of spoils. 2. Adjust backfill blade to fit land contour. 3. Move outer edge of spoils toward trench. Take two or more passes at spoils rather than moving all spoils at once. 4. Repeat on other side of trench, if necessary. 5.
RT45 Operator’s Manual Service - 137 Service Chapter Contents Service Precautions . . . . . . . . . . . . . . . . . . . . . . . 138 Lubrication Overview . . . . . . . . . . . . . . . . . . . . . . 139 Recommended Lubricants/Service Key . . . . . . 140 • Engine Oil Selection Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141 10 Hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 100’ (30.5 m) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RT45 Operator’s Manual Service - 138 Service Precautions Service Precautions Read operator’s manual. Know how to use all controls before operating machine. When you see this sign on the machine or in the manual, read it and use caution. Your safety is at stake. To help avoid injury: • Perform all service with engine off unless otherwise instructed. • Refer to engine manufacturer’s manual for engine maintenance instructions. • Lower unstowed attachments to ground before servicing equipment.
RT45 Operator’s Manual Service - 139 Lubrication Overview Lubrication Overview CMW®
RT45 Operator’s Manual Service - 140 Recommended Lubricants/Service Key Recommended Lubricants/Service Key Item Description DEO Diesel engine oil meeting or exceeding Deutz specification DQC III- LA. NOTICE: Shipped from factory with API CJ-4 DEO meeting Deutz specification DQC IILA. Change oil initially at 250 hours. • Engine must use low sulfated ash, phosphorous, and sulfur (low SAPS) oil. • See viscosity chart.
RT45 Operator’s Manual Service - 141 Recommended Lubricants/Service Key Engine Oil Selection Chart Select oil based on ambient temperature range expected before next oil change. Approved Fuel Avoid static electricity when fueling. Ultra Low Sulfur Diesel (ULSD) poses a greater static ignition hazard than earlier diesel formulations. Avoid death or serious injury from fire or explosion.
Service - 142 RT45 Operator’s Manual Tier 4 Engine Approved Coolant This unit was filled with John Deere Cool-Gard II coolant before shipment from factory. Add only John Deere Cool-Gard II (p/n 255-006) or any fully formulated, ethylene glycol based, low-silicate, heavy-duty diesel engine coolant meeting ASTM specification D6210. NOTICE: • Use only pre-diluted coolant or concentrated coolant mixed with distilled water. Do not use tap water. • Do not use water or high-silicate automotive-type coolant.
RT45 Operator’s Manual Service - 143 10 Hour 10 Hour Location Task Notes TRACTOR Check engine oil level DEO Check hydraulic fluid level and reservoir breather cap THF Check coolant level DEAC Check oil cooler/radiator Check hydraulic hoses TRENCHER Check inflatable tire pressure and lugnuts (if equipped) 20-30 psi (1.4-2.
Service - 144 RT45 Operator’s Manual 10 Hour Tractor Check Engine Oil Level While engine oil is warm, check oil level at dipstick (1) every 10 hours. Add DEO at fill (2) as necessary to keep oil level at highest line on dipstick. IMPORTANT: See page 140 for DEO specifications. Check Hydraulic Fluid Level and Reservoir Breather Cap With tractor level, raise seat and check fluid at sight glass (2) every 10 hours. Fluid should be halfway up sight glass. Add THF at fill (1) as necessary.
RT45 Operator’s Manual Service - 145 10 Hour Check Oil Cooler/Radiator Check oil cooler/radiator for dirt and debris. Clean with compressed air or spray wash as needed. See “Clean Oil Cooler/Radiator” on page 157. Check Hydraulic Hoses Fluid or air pressure could pierce skin and cause injury or death. Stay away. To help avoid injury: • Before disconnecting a hydraulic line, turn engine off and operate all controls to relieve pressure. Lower, block, or support any raised component with a hoist.
RT45 Operator’s Manual Service - 146 10 Hour Check Tires Inflatable Tires Check tire pressure every 10 hours. Use waterrinsable air gauge if tire ballast is used. Tire option Maximum pressure 26 x 12.00-12 8-ply bar lug 20 psi (1.4 bar) 29 x 12.50-15 8-ply bar lug 30 psi (2.1 bar) Tighten lugnuts to 95 ft•lb (129 N•m). Solid Rubber Tires Check adapter mounting bolts (shown, if equipped) after first 10 hours. Correct torque is 350 ft•lb (475 N•m).
RT45 Operator’s Manual Service - 147 10 Hour Trencher Lube Trencher Tail Roller Remove plug, wipe zerk clean and lube every 10 hours with MPG. Lube Trencher Pivot Wipe three zerks clean and lube every 10 hours with MPG. • Lube zerk (3) until grease appears at headshaft hub. • Lube zerks (1, 2) with 8-10 pumps of MPG. Lube Trencher Pivot Stub Wipe zerk clean and lube every 10 hours with MPG.
Service - 148 RT45 Operator’s Manual 10 Hour Lube Trencher Auger Bearings and Sleeve Wipe four zerks clean and lube every 10 hours with MPG every 10 hours. Check Trencher Mounting Bolts Check bolts every 10 hours. Tighten to 200 ft•lb (271 N•m).
RT45 Operator’s Manual Service - 149 10 Hour Check Digging Chain Check teeth (1) for wear every 10 hours. Replace worn teeth, using Ditch Witch® replacement parts and maintaining original tooth pattern. Check chain every 10 hours. Replace worn or broken chains. If sidebars (2) are bent or loose on chain pins (3), chain spacers should be used to join sidebars. For more efficient digging, contact your Ditch Witch dealer for information about the tooth pattern best suited to your jobsite, or see page 128.
Service - 150 RT45 Operator’s Manual 10 Hour Roller Boom with Adjusting Screw With boom horizontal, measure distance from bottom of boom to chain (3). When properly adjusted, distance should be 1.5-2” (40-50 mm). Adjust tension by tightening or loosening adjustment screw (1) and jam nut (2). Roller Boom with Grease Cylinder With boom horizontal, measure distance from bottom of boom to chain (2). When properly adjusted, distance should be 1.5-2.0” (40-50 mm).
RT45 Operator’s Manual Service - 151 10 Hour Plow Clean Feed Tube Clean feed tube every 10 hours. Oil if necessary. Check Plow Arm Pins and Bushings Check plow arm pins and bushings every 10 hours. Replace bushings at first sign of wear. Check Plow Mounting Bolts Check bolts every 10 hours. Tighten to 200 ft•lb (271 N•m). Check floating cable feed bolts for looseness or wear.
Service - 152 RT45 Operator’s Manual 10 Hour Check Plow Vibrator Oil Level Hot parts may cause burns. Do not touch until cool. Check plow vibrator oil level every 10 hours. With vibrator horizontal, oil should be halfway up sight glass (2). Add MPL as needed at fill (1). Saw Clean Saw Clean saw every 10 hours. Wash bolts and mounting blocks with high-pressure water. Check Saw Mounting Bolts Check attachment mounting bolts every 10 hours. Tighten to 200 ft•lb (271 N•m).
RT45 Operator’s Manual Service - 153 10 Hour Check Bits Check bits every 10 hours. Clean and check bits for free rotation. If bits are stuck, remove and clean packed soil from retaining ring. Replace bit when tungsten cap or insert is worn. For best results, use retaining clip loading and removing tool and a knock-out bar included with saw to remove and reinsert bits.
Service - 154 RT45 Operator’s Manual 10 Hour Microtrencher Inspect Slide Plate Inspect side plate for wear every 10 hours. Replace as needed. Inspect Spoils Deflectors If not using a vacuum system for spoils removal, inspect spoils deflectors inside microtrencher frame every 10 hours. Clean vacuum chute and replace deflectors as needed. Check Trencher Vacuum Hoses If using a vacuum system for spoils removal, check inside of hoses for caked spoils every 10 hours. Clean as needed.
RT45 Operator’s Manual Service - 155 100’ (30.5 m) 100’ (30.5 m) Inspect Microtrencher Blade and Bits Remove blade cover and inspect blade and bits for wear every 100’ (30.5 m), or when performance declines. Hot parts may cause burns. Do not touch until cool. To help avoid injury: Do not touch hot blade and bits. Fixed Bits Replace blade when bits are worn. See “Change Blade” on page 180. Rotating Conical Bits • Check that all bits are rotating freely in bit blocks.
Service - 156 RT45 Operator’s Manual 100’ (30.5 m) To replace bits: 1. Drive out roll pin and remove old bit. 2. Install new bit into holder and drive in new roll pin. Wear Bars / Hard-Surface Material Use gauge (shown, p/n 301-1507) to check thickness of wear bars/hard-surface material on blade. Replace wear bars/hard-surface material as needed to protect bit holders.
RT45 Operator’s Manual Service - 157 50 Hour 50 Hour Location Task TRACTOR Clean oil cooler/radiator Notes Check belt tension Lube backfill blade swing MPG Change hydraulic filter Initial service Lube cross and bearings MPG, initial service Lube universal joints MPG, initial service TRENCHER/ COMBO Lube frame slide MPG SAW Lube lift cylinders MPG Clean Oil Cooler/Radiator Clean oil cooler/radiator with compressed air or spray wash every 50 hours of operation.
Service - 158 RT45 Operator’s Manual 50 Hour Check Belt Tension Check belt tension every 50 hours. Belt is properly tensioned when it moves about 3/8” (10 mm) when pushed. If belt is loose, loosen alternator bolts (1) and adjust alternator. Retighten bolts. Lube Backfill Blade Swing Lube zerk with 2-3 shots of MPG every 50 hours. Change Hydraulic Filter (Initial Service) Change hydraulic filter at 50 hours initially. Change every 500 hours thereafter.
RT45 Operator’s Manual Service - 159 50 Hour Lube Cross and Bearings (Initial Service) Lube zerks with 2-3 shots of MPG at 50 hours initially. Repeat process every 500 hours thereafter. Lube Universal Joints (Initial Service) Lube zerks with MPG at 50 hours initially. Repeat process every 500 hours thereafter. Trencher Lube Frame Slide Lube frame slide with MPG every 50 hours.
Service - 160 RT45 Operator’s Manual 50 Hour Saw Lube Lift Cylinders Lube lift cylinders with MPG every 50 hours. Lube rod and barrel end of each cylinder.
RT45 Operator’s Manual Service - 161 100 Hour 100 Hour Location Task Notes MICROTRENCHER Lube manual tilt adjustment. MPG Lube Manual Tilt Adjustment Lube two zerks on manual tilt adjustment with MPG every 100 hours.
RT45 Operator’s Manual Service - 162 250 Hour 250 Hour Location Task Notes TRACTOR Change engine oil and filter DEO, initial and if using API CJ-4 or ACEA E6/E9 oil Tractor Change Engine Oil and Filter (Initial Service) Change oil and filter after 250 hours and every 250 hours if using oil meeting API CJ-4 or ACEA E6/E9. See page 140 for more information about DEO specifications. To change: 1. Drain crankcase (1) while oil is warm. 2. Replace filter (4) each time oil is changed. 3.
RT45 Operator’s Manual Service - 163 500 Hour 500 Hour Location Task Notes TRACTOR Change engine oil and filter DEO; ONLY if using DQC IIILA oil Change fuel filters Change hydraulic filter THF Check differential oil MPL Check gearbox oil MPL Lube cross and bearings MPG Lube universal joints MPG Test coolant freeze protection level PLOW/ COMBO Change plow vibrator oil MPL Tractor Change Engine Oil and Filter Change oil and filter every 500 hours ONLY if using oil meeting Deutz DQC III-
Service - 164 RT45 Operator’s Manual 500 Hour Change Fuel Filters Change primary (1) and secondary (2) fuel filters every 500 hours. Change Hydraulic Filter Change hydraulic filter every 500 hours. Check Differential Oil Level Check oil level at fill plug every 500 hours. Add MPL as needed.
RT45 Operator’s Manual Service - 165 500 Hour Check Gearbox Oil Level Check oil level at check plug (2) every 500 hours. Add MPL at fill (1) as needed. Lube Cross and Bearings Lube zerks with 2-3 shots of MPG every 500 hours. Lube Universal Joints Lube zerks with MPG every 500 hours.
RT45 Operator’s Manual Service - 166 500 Hour Test Coolant Freeze Protection Level With engine cool, test coolant freeze protection level using a hydrometer or refractometer. Recommended freeze protection level is -34°F (-37°C). Adjust as needed. If colder temperatures are expected, consult your Ditch witch dealer or coolant supplier. IMPORTANT: See page 142 for information on approved coolants. Use pre-dilluted coolant to maintain proper freeze protection.
RT45 Operator’s Manual Service - 167 1000 Hour 1000 Hour Location Task Notes TRACTOR Change differential oil MPL Change ground drive gearbox oil MPL Change hydraulic fluid THF Change Differential Oil Change differential oil every 1000 hours. To change: 1. Remove cover and drain oil. 2. Replace cover. 3. Add MPL at fill plug until oil is visible at plug. • For model 44 differentials, capacity is 5 pt (2.3 L) for front and 5.5 pt (2.6 L) for rear. • For model 60 differentials, capacity is 5.
Service - 168 RT45 Operator’s Manual 1000 Hour Change Hydraulic Oil Change hydraulic oil every 1000 hours. To change: 1. Remove drain plug (2). 2. Drain fluid and replace plug.page 164 3. Add THF at fill (1). until fluid is at halfway point on sight glass (3). Hydraulic reservoir capacity is 9.5 gal (36 L).
RT45 Operator’s Manual Service - 169 As Needed As Needed Location Task TRACTOR Adjust parking brake Notes Change air filter Check battery Charge battery TRENCHER Replace digging chain and teeth PLOW Replace sod cutter and blade Replace plow blade pins and bushings COMBO Complete all service items for trencher and plow BACKHOE Replace backhoe pins and bushings MICROTRENCHER Change blade Bleed level cylinder Change spoils deflector Tractor Adjust Parking Brake Adjust parking brake as needed.
Service - 170 RT45 Operator’s Manual As Needed Change Air Filter Change air filter when display reads 0%. To change: 1. Remove air filter cover and remove primary (2) and safety (1) elements. 2. Wipe inside of housing and wash cover. 3. Insert new safety element (1) and seat it correctly. 4. Insert new primary element (2). 5. Replace cover. Ensure arrow on cover points down. If cover does not fit, element is not properly locked into housing. Remove cover and primary element and repeat step 4.
RT45 Operator’s Manual Service - 171 As Needed Check Battery Check battery as needed. Keep battery clean and terminals free of corrosion. To clean: 1. Turn battery disconnect switch, if equipped, to the off position. 2. Ensure that no ignition sources are near batteries. 3. Loosen and remove battery cable clamps carefully, negative (-) cable first. 4. Clean cable clamps and terminals to remove dull glaze. 5. Check for signs of internal corrosion in cables. 6.
RT45 Operator’s Manual Service - 172 As Needed Charge Battery Explosion possible. Serious injury or equipment damage could occur. Follow directions carefully. To help avoid injury: • Use a single 12V maximum source for charging. Do not connect to rapid chargers or dual batteries. • Use caution and wear personal protective equipment such as safety eyewear, when charging or cleaning battery. • Keep sparks, flames, and any ignition source away from batteries at all times.
RT45 Operator’s Manual Service - 173 As Needed Charging Procedure (Engine Off) 1. Park service vehicle close to disabled equipment but do not allow vehicles to touch. Engage parking brake in both vehicles. 2. Turn the ignition switch to the OFF position in both vehicles, and turn off all electrical loads. Disconnect the machine controller. 3. Inspect battery in disabled vehicle (B) for signs of cracking, bulging, leaking, or other damage.
Service - 174 RT45 Operator’s Manual As Needed Trencher Replace Digging Chain Visually check digging chains for wear on rollers and sidebars (2). Check pins (3) and bushing wear by measuring distance between chain pins and comparing it with a new chain. Also check digging teeth (1). NOTICE: Replace sprockets when a new chain is installed. To remove chain: 1. Fasten and adjust seat belt. 2. Start tractor. See page 72 for proper start-up procedures. 3.
RT45 Operator’s Manual Service - 175 As Needed 8. Loop cable through links nearest connector pin. Fluid pressure could pierce skin and cause injury or death. Stay away. To help avoid injury: • Service digging boom grease cylinder only while standing on opposite side of boom. • Wear gloves and safety glasses, and cover fitting with cloth when relieving pressure in cylinder. 9. Loosen plug on grease cylinder or turn tension bolts counterclockwise to relieve chain tension. 10.
Service - 176 RT45 Operator’s Manual As Needed To install chain: 1. Lay chain on ground with teeth down and pointed toward unit. Loop cable through end links. 2. Fasten and adjust seatbelt. 3. Start tractor. See page 72 for start-up procedures. 4. Disengage parking brake. 5. Move ground drive control to reverse. 6. Back unit up until chain extends past head shaft about 1’ (305 mm). 7. Move ground drive control to neutral. 8. Lower backfill blade to ground. 9. Lower boom to horizontal position. 10.
RT45 Operator’s Manual Service - 177 As Needed Inspect Seat Belt Check seat belt and mounting hardware as needed. Inspect the webbing, buckle and latch, retractor, and mounting hardware. Buckle and Latch Check that the buckle and latch (1) are not broken or corroded. When inserting the latch into the buckle, the latch should insert smoothly until an audible click is heard. Latch should not release when the seat belt is tugged.
Service - 178 RT45 Operator’s Manual As Needed Plow Replace Sod Cutter and Blade Replace worn sod cutter and plow blade as needed. Replace Plow Blade Pins and Bushings Check plow blade pins and bushings for wear and replace as needed. NOTICE: Operating plow with worn or missing bushings will damage equipment.
RT45 Operator’s Manual Service - 179 As Needed Backhoe Replace Pins and Bushings Replace pins (1) and bushings (2) when worn or damaged.
RT45 Operator’s Manual Service - 180 As Needed Microtrencher Hot parts may cause burns. Do not touch until cool. 273-423 To help avoid injury: Do not touch hot blade and bits. Change Blade 1. Start tractor, position microtrencher slightly above ground, then shut down tractor. 2. Remove 7 wingnuts (1), spanner wrench (2), and cover (3). 3. Loosen clamp bolts (4) and use spanner wrench (2) to remove large nut (5). (Insert a pry bar through cutout in blade to keep blade from turning.) 4.
RT45 Operator’s Manual Service - 181 As Needed Bleed Level Cylinder Bleed air from level cylinder whenever the hydraulic hoses have been disconnected, or when excessive bounce is noticed. To bleed cylinder: 1. Remove blade (see page 180). 2. Start tractor. 3. Use level control to fully retract level cylinder (1) until it is vertical. 4. Use lift control to lower rear of microtrencher to just above the ground. 5.
Service - 182 RT45 Operator’s Manual As Needed CMW®
RT45 Operator’s Manual Specifications - 183 RT45 Tractor with H313 Trencher Specifications RT45 Tractor with H313 Trencher Dimensions * U.S. Metric A Trench depth, maximum 63 in 1.
Specifications - 184 RT45 Operator’s Manual RT45 Tractor with H313 Trencher L4 Wheelbase 48 in 1.2 m N Spoil discharge reach, minimum to maximum 17-20 in 430-510 mm W2 Width, transport 64 in 1.6 m W4 Tread 46 in 1.2 m Ground clearance with standard tire, minimum 7 in 180 mm Ground clearance with optional tire, minimum 8.5 in 215 mm * Dimensions are based on H313 attachment and shortest roller boom length, 26 X 12.
RT45 Operator’s Manual Specifications - 185 RT45 Tractor with H313 Trencher Backfill Blade U.S. Metric Blade width 64 in 1.6 m Blade height 14 in 355 mm Lift height above ground 12 in 300 mm Blade drop below ground 8 in 200 mm Maximum swing angle (left/right) 28° 28° Tilt angle (up/down) 11° 11° Power U.S. Metric Displacement 177 in3 2.9 L Bore 3.6 in 92 mm Stroke 4.3 in 110 mm Engine manufacturer’s gross power rating (SAE J1995) 48.8 hp 36.
Specifications - 186 RT45 Operator’s Manual RT45 Tractor with H313 Trencher Power Train Ground drive transmission: hydrostatic drive infinitely variable from zero to maximum, foot pedal and hand lever operated speed/direction control Differentials: Dana model 44 (Dana model 60 optional) Service brake: ground drive speed/direction control brakes machine hydraulically when moved to neutral position Parking brake: disc, hand-operated Tires: Load rating at 10 mph (16 km/h) standard 26 x 12.
RT45 Operator’s Manual Specifications - 187 RT45 Tractor with H313 Trencher Fluid Capacities U.S. Metric Fuel tank 13 gal 49 L Engine oil 6.4 qt 6.1 L Hydraulic reservoir 9.5 gal 36 L Hydraulic system 13 gal 49 L Engine coolant 3 gal 11 L Battery Group 26/26R/70, SAE reserve capacity 165 min., SAE cold crank @ 0° F (-18° C), 850 amps Noise Levels Operator ear sound pressure is 96 dBa per ISO 6394 Exterior sound power is 108 dBa per ISO 6393.
Specifications - 188 RT45 Operator’s Manual H314 Trencher H314 Trencher Dimensions * U.S. Metric A Trench depth, maximum 52 in 1.3 m A3 Angle of departure 35° 35° B Trench width, minimum to maximum Center 6-12 in 150-305 mm Offset 6-8 in 150-200 mm C Boom travel down 55° 55° C1 Boom travel up 51° 51° E1 Centerline of trench to outside edge, left ** Center 30.7 in 780 mm Offset 52 in 1.3 m Center 24.3 in 620 mm Offset 3 in 75 mm Headshaft height, digging chain 23.
RT45 Operator’s Manual Specifications - 189 H314 Trencher L Transport height 86 in 2.2 m Headshaft overhang 24.9 in 630 mm short auger 17 in 430 mm long auger 30 in 760 mm Soil discharge reach * Dimensions are based on shortest roller boom, 26 X 12.00-12 standard tire and wheel, and 12” (300mm) pivot (except reference A). ** With 6” (150-mm) chain, right side of trench will be in line with right outside edge of tires.
Specifications - 190 RT45 Operator’s Manual H331 Plow H331 Plow Dimensions U.S. Metric A Cover depth, feed blade, maximum 24 in 610 mm Feed tube inside width, maximum 1 in 25 mm Feed tube bend ratio 4:1 or 10:1 4:1 or 10:1 Pull blade depth, maximum 24 in 610 mm Pull blade width, maximum 1 in 25 mm Pull blade bullet diameter, maximum 3 in 75 mm Blade steer angle 15° 15° H Angle of depression 3° 3° I Angle of departure 22° 22° J Blade ground clearance 28.
RT45 Operator’s Manual Specifications - 191 H331 Plow L2’ Transport length, plow with blade 169 in 4.3 m With A323 backhoe 203 in 5.2 m With reel carrier 177 in 4.5 m With reel carrier and maximum diameter reel 192 in 4.9 m U.S.
Specifications - 192 RT45 Operator’s Manual H350 Combo H350 Combo Trencher Dimensions * U.S. Metric A Trench depth, maximum 42 in 1.1 m A3 Angle of departure 33° 33° B Trench width, minimum to maximum 6-8 in 150-200 mm C Boom travel down 55° 55° C1 Boom travel up 51° 51° E1 Centerline of trench to outside edge, left 52 in 1.3 m E2 Centerline of trench to outside edge, right ** 3 in 80 mm F Headshaft height, digging chain 23 in 590 mm Overhang beyond tire 4.
RT45 Operator’s Manual Specifications - 193 H350 Combo Plow Dimensions U.S. Metric A3 Angle of departure, transport, 18” (457-mm) blade 17° 17° A Cover depth, maximum* 24 in 610 mm Plow swing angle, left 30° 30° Plow swing angle, right 20° 20° Center of plow to outside edge of unit 20 in 510 mm E1 *Suggested maximum. Plow blade used will be determined by job requirements and soil conditions. Operation U.S. Metric Material diameter, pull-in, maximum 2.
Specifications - 194 RT45 Operator’s Manual H342 Saw H342 Saw Dimensions U.S. Metric A Trench depth, maximum 18 in 455 mm A2 Angle of approach 18° 18° A3 Angle of departure 14° 14° D Transport height, attachment 79 in 2.0 m L2 Overall length, full depth 177 in 4.5 m L2’ Overall length, transport 162 in 4.1 m Operation U.S.
RT45 Operator’s Manual Specifications - 195 H342 Saw Ground clearance at wheel, maximum 11.8 in 300 mm Left 32 in 815 mm Right 32 in 815 mm Attachment width 23 in 580 mm Number of teeth on saw wheel 36 36 2.5” (65-mm) segments 1550 lb 700 kg 3.5” (90-mm) segments 1610 lb 730 kg 5.
Specifications - 196 RT45 Operator’s Manual A323 Backhoe A323 Backhoe Dimensions U.S. Metric A Transport height 80.5 in 2.0 m C Ground clearance 23 in 584 mm D Backhoe length, stowed 60 in 1.5 m F Digging depth, maximum 72 in 1.8 m G Digging depth, 2’ (0.6 m) flat bottom 66 in 1.7 m J Operating height, fully raised 97 in 2.5 m K Loading height 46 in 1.2 m L Loading reach 55 in 1.4 m M Reach from swing pivot 102 in 2.
RT45 Operator’s Manual Specifications - 197 A323 Backhoe R Stabilizer spread, operating 104 in 2.6 m U Leveling angle 10° 10° General U.S. Metric Width 12 in 305 mm Capacity 1.1 ft3 0.03 m3 1125 lb 511 kg @ 48” (1.2 m) 957 lb 434 kg @ ground level 1044 lb 474 kg @72” (1.8 m) 783 lb 355 kg @48” (1.2 m) 1784 lb 809 kg @72” (1.8 m) 1500 lb 681 kg 160° 160° Using bucket cylinder 5340 lb 23.
Specifications - 198 RT45 Operator’s Manual MT12 MicroTrencher MT12 MicroTrencher Dimensions U.S. Metric A3 Angle of departure 19° 19° D1 Trench depth, 1-in (25-mm) increments 6.5-12.5 in 165-318 mm D4 Blade diameter 34 in 864 mm H Attachment height, transport 68 in 1.72 m H12 Ground clearance at wheel 24 in 610 mm L2 Length, transport, from centerline of rear axle 75 in 1.90 m L2’ Working length, from centerline of rear axle (not shown) 81 in 2.
RT45 Operator’s Manual Specifications - 199 MT12 MicroTrencher W3 Spoils chute extension (same both sides) 8.5 in 216 mm W4 Centerline of unit to outside left tire (28x9 solid tires) 28.5 in 725 mm W7 Centerline of unit to end of traverse frame 29.2 in 742 mm Width, transport 60.5 in 1.
Specifications - 200 RT45 Operator’s Manual MT12 MicroTrencher CMW®
RT45 Operator’s Manual Support - 201 Procedure Support Procedure Notify your dealer immediately of any malfunction or failure of Ditch Witch® equipment. Always give model, serial number, and approximate date of your equipment purchase. This information should be recorded and placed on file by the owner at the time of purchase. Return damaged parts to dealer for inspection and warranty consideration if in warranty time frame.
RT45 Operator’s Manual Warranty - 202 Warranty Ditch Witch® Equipment and Replacement Parts Limited Warranty Policy Subject to the limitation and exclusions herein, free replacement parts will be provided at any authorized Ditch Witch dealership for any Ditch Witch equipment or parts manufactured by The Charles Machine Works, Inc. (CMW) that fail due to a defect in material or workmanship within one (1) year of first commercial use.
RT45 Operator’s Manual Service Record - 205 Service Record Service Performed Date Hours CMW®
Service Record - 206 Service Performed CMW® RT45 Operator’s Manual Date Hours