Form No. 3433-921 Rev A Z Master® Professional 5000 Series Riding Mower with 60in TURBO FORCE® Side Discharge Mower Model No. 72915—Serial No. 400000000 and Up Register at www.Toro.com.
It is a violation of California Public Resource Code Section 4442 or 4443 to use or operate the engine on any forest-covered, brush-covered, or grass-covered land unless the engine is equipped with a spark arrester, as defined in Section 4442, maintained in effective working order or the engine is constructed, equipped, and maintained for the prevention of fire. Read this information carefully to learn how to operate and maintain your product properly and to avoid injury and product damage.
Contents Checking the Spark Arrester ............................. 44 Fuel System Maintenance ................................... 44 Replacing the Fuel Filter ................................... 44 Servicing the Fuel Tank..................................... 45 Electrical System Maintenance ........................... 45 Electrical System Safety ................................... 45 Servicing the Battery......................................... 45 Servicing the Fuses ......................................
General Safety Safety This machine is capable of amputating hands and feet and of throwing objects. Toro designed and tested this lawn mower to offer reasonably safe service; however, failure to comply with safety instructions may result in injury or death. This machine has been designed in accordance with ANSI standard B71.4-2017.
Slope Indicator g011841 Figure 3 You may copy this page for personal use. 1. The maximum slope you can operate the machine on is 15 degrees. Use the slope chart to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than 15 degrees. Fold along the appropriate line to match the recommended slope. 2. Align this edge with a vertical surface, a tree, building, fence pole, etc. 3.
Safety and Instructional Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or missing. decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. 1. Explosion hazard 6. Keep bystanders away from the battery. 2. No fire, open flame, or smoking 7. Wear eye protection; explosive gases can cause blindness and other injuries. 3. Caustic liquid/chemical burn hazard 4.
decal116-5988 116-5988 1. Parking brake—engaged 2. Parking brake—disengaged decal116-8283 decal107-3069 116-8283 107-3069 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 75 to 81 N∙m (55 to 60 ft-lb). 1. Warning–there is no rollover protection when the roll bar is down. 2. To avoid injury or death from a rollover accident, keep the roll bar in the raised and locked position and wear the seat belt.
decal117-3848 g224114 117-3848 126-5641 1. Thrown object hazard—keep bystanders away. 2. Thrown object hazard, raised deflector—do not operate without the deflector, discharge cover, or grass collection system in place. 1. PTO 4. Operator-presence switch 2. Parking brake 5. See user’s guide for operating condition code 3. Neutral 3. Cutting/dismemberment hazard of hand or foot, mower blade—stay away from moving parts; keep all guards and shields in place.
decal127-6663 127-6663 1. Warning—read the Operator's Manual. 2. Crushing hazard—engage the parking brake, shut off the engine, and remove the key; support the machine using jackstands. decal136-5508 136-5508 1. Belt routing decal131-1180 131-1180 1. Read the Operator's Manual. 2. Short, light grass; dry conditions 3. Bagging setting 4.
decal125-9383 125-9383 1. Check hydraulic fluid every 50 operating hours. 3. Check the tire pressure every 50 operating hours. 2. Read the Operator’s Manual for information on lubricating the machine. 4. Read the Operator’s Manual before servicing or performing maintenance. decal137-9209 137-9209 1. Fast 5. Engine—stop 2. Slow 6. Engine—run 3. Choke 7. Engine—start 4.
decal132-0871 132-0871 Note: This machine complies with the industry standard stability test in the static lateral and longitudinal tests with the maximum recommended slope indicated on the decal. Review the instructions for operating the machine on slopes in the Operator’s Manual as well as the conditions in which you would operate the machine to determine whether you can operate the machine in the conditions on that day and at that site.
Controls Product Overview Become familiar with all the controls before you start the engine and operate the machine. Control Panel g233557 Figure 5 g027333 Figure 4 1. Blade-control switch (power takeoff) 4. Hour meter/Safety-interlock display 5. Key switch 1. Deck-lift pedal 6. Roll bar 2. Transport lock 7. Seat belt 2. Choke control 3. Parking-brake lever 8. Fuel cap 3. Throttle control 4. Controls 5. Motion-control levers 9. Mower deck 10.
the machine (Figure 22). Always position the motion-control levers into the NEUTRAL-LOCK position when you stop the machine or leave it unattended. Refer to the Software Guide for more information. Parking-Brake Lever Whenever you shut off the engine, engage the parking brake to prevent accidental movement of the machine. Fuel-Shutoff Valve Close the fuel-shutoff valve when transporting or storing the machine; refer to Using the Fuel-Shutoff Valve (page 31). g231075 Figure 6 1.
Fuel Safety Operation Use extreme care when handling fuel. Note: Determine the left and right sides of the machine from the normal operating position. DANGER In certain conditions gasoline is extremely flammable and vapors are explosive. Before Operation A fire or explosion from gasoline can burn you, others, and cause property damage. Before Operation Safety • Fill the fuel tank outdoors on level ground, in an open area, when the engine is cold. Wipe up any gasoline that spills.
To help prevent fires: DANGER • Keep engine and engine area free from In certain conditions during fueling, static electricity can be released causing a spark which can ignite gasoline vapors. A fire or explosion from gasoline can burn you and others and cause property damage. • Always place gasoline containers on the ground away from your vehicle before filling.
Breaking in a New Machine the chance of varnish deposits in the fuel system, use fuel stabilizer at all times. New engines take time to develop full power. Mower decks and drive systems have higher friction when new, placing additional load on the engine. Allow 40 to 50 hours of break-in time for new machines to develop full power and best performance. Filling the Fuel Tank 1. Park the machine on a level surface. 2. Engage the parking brake. 3. Shut off the engine and remove the key. 4.
Using the Safety-Interlock System WARNING If the safety-interlock switches are disconnected or damaged, the machine could operate unexpectedly, causing personal injury. • Do not tamper with the interlock switches. • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine. Understanding the Safety-Interlock System The safety-interlock system is designed to prevent the engine from starting unless the following occurs: • The parking brake is engaged.
Testing the Safety-Interlock System Positioning the Seat The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable (Figure 10). Service Interval: Before each use or daily Test the safety-interlock system before you use the machine each time. If the safety system does not operate as described below, have an Authorized Service Dealer repair the safety system immediately. 1.
Changing the Seat Suspension WARNING Engine exhaust contains carbon monoxide, which is an odorless deadly poison that can kill you. The seat is adjustable to provide a smooth and comfortable ride. Position the seat where you are most comfortable. Do Not run engine indoors or in a small confined area where dangerous carbon monoxide fumes can collect. To adjust it, turn the knob in front either direction to provide the best comfort (Figure 12).
– Be alert and turn the machine off if children enter the area. WARNING Hands, feet, hair, clothing, or accessories can become entangled in rotating parts. Contact with the rotating parts can cause traumatic amputation or severe lacerations. – Do Not operate the machine without guards, shields, and safety devices in place and working properly. – Keep hands, feet, hair, jewelry, or clothing away from rotating parts.
Rollover Protection System (ROPS) Safety A Rollover Protection System (roll bar) is installed on the machine. WARNING There is no rollover protection when the roll bar is down. Wheels dropping over edges, ditches, steep banks, or water can cause rollovers, which may result in serious injury, death or drowning. • Do Not remove the ROPS. • Keep the roll bar in the raised and locked position and use seat belt. g221745 Figure 13 • Lower the roll bar only when absolutely necessary. 1.
Operating the Parking Brake Operating the Mower Blade-Control Switch (PTO) Always engage the parking brake when you stop the machine or leave it unattended. The blade-control switch (PTO) starts and stops the mower blades and any powered attachments. Engaging the Parking Brake Engaging the Blade-Control Switch (PTO) Park the machine on a level surface. Note: Engaging the blade-control switch (PTO) with the throttle position at half or less causes excessive wear to the drive belts.
Operating the Choke Use the choke to start a cold engine. 1. Pull up the choke knob to engage the choke before using the key switch (Figure 19). 2. Push down the choke knob to disengage the choke after the engine has started (Figure 19). g008959 Figure 19 1. ON position 2.
Starting the Engine Shutting Off the Engine Important: Do not engage starter for more than 5 seconds at a time. If the engine fails to start, wait 15 seconds between attempts. Failure to follow these instructions can burn out the starter motor. CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Note: You may need multiple attempts to start the engine the first time after adding fuel to an empty fuel system.
Using the Motion-Control Levers WARNING The machine can spin very rapidly. You may lose control of the machine and cause personal injury or damage to the machine. • Use caution when making turns. • Slow the machine down before making sharp turns. Driving Forward Note: The engine shuts off when you move the traction-control with the parking brake engaged. To stop the machine, pull the motion-control levers to the NEUTRAL position. 1.
Using the Side Discharge The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. DANGER Without a grass deflector, discharge cover, or a complete grass-catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris. Contact with rotating mower blade(s) and thrown debris will cause injury or death. • Never remove the grass deflector from the mower deck because the grass deflector routes material down toward the turf.
Adjusting the Height of Cut Adjusting the Height-of-Cut Pin Using the Transport Lock The height-of-cut is adjusted from 25 to 140 mm (1 to 5-1/2 inches) in 6 mm (1/4 inch) increments by relocating the clevis pin into different hole locations. The transport lock has 2 positions, and is used with the deck-lift pedal. There is a LOCK position and an UNLOCK position for the transport position of the mower deck (Figure 25). 1. Move the transport lock to the lock position. 2.
Adjusting the Anti-Scalp Rollers Whenever you change the height-of-cut, adjust the height of the anti-scalp rollers. 1. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. g029957 Figure 29 Adjust the anti-scalp rollers as shown in Figure 27, Figure 28, and Figure 29. 1. Anti-scalp roller 4. Flange nut 2. Spacer 5. Bolt 3.
Positioning the Flow Baffle The following figures are only recommendations for use. Adjustments vary by grass type, moisture content, and the height of the grass. Note: If the engine power draws down and the mower ground speed is the same, open up the baffle. Position A This is the fully-rear position.
Operating Tips drop onto your lawn. To avoid this, move onto a previously cut area with the blades engaged or you can disengage the mower deck while moving forward. Using the Fast Throttle Setting For best mowing and maximum air circulation, operate the engine at the FAST position. Air is required to thoroughly cut grass clippings, so do not set the height-of-cut so low as to totally surround the mower deck in uncut grass.
Using the Drive-Wheel-Release Valves After Operation After Operation Safety General Safety WARNING Hands may become entangled in the rotating drive components below the engine deck, which could result in serious injury. • Park machine on level ground, disengage drives, set parking brake, stop engine, remove key or disconnect spark plug wire. Wait for all movement to stop and allow the machine to cool before adjusting, cleaning, repairing, or storing. Never allow untrained personnel to service machine.
Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. Use a full-width ramp. Ensure that the trailer or truck has all the necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you or bystanders avoid injury. Refer to your local ordinances for trailer and tie-down requirements.
1. If using a trailer, connect it to the towing vehicle and connect the safety chains. 2. If applicable, connect the trailer brakes and lights. 3. Lower the ramp, ensuring that the angle between the ramp and the ground does not exceed 15 degrees (Figure 35). 4. Back the machine up the ramp (Figure 36). g028043 Figure 36 1. Back the machine up the ramp. 2. Drive the machine forward down the ramp. 5. Shut off the engine, remove the key, and engage the parking brake. 6.
Maintenance WARNING Removal or modification of original equipment, parts and/or accessories may alter the warranty, controllability, and safety of the machine. Unauthorized modifications to the original equipment or failure to use original Toro parts could lead to serious injury or death. Unauthorized changes to the machine, engine, fuel or venting system, may violate applicable safety standards such as: ANSI, OSHA and NFPA and/or government regulations such as EPA and CARB.
• Keep hands and feet away from moving parts. • Use jack stands to support the machine and/or If possible, Do Not make adjustments with the engine running. If the maintenance or adjustment procedure require the engine to be running and components moving, use extreme caution. components when required. CAUTION Raising the machine for service or maintenance relying solely on mechanical or hydraulic jacks could be dangerous.
Maintenance Service Interval Every 500 hours Monthly Yearly Yearly or before storage Maintenance Procedure • • • • • • • Replace the air-cleaner paper element (more often under dusty, dirty conditions). For Kohler engines—replace the spark plug(s). Check the wheel lug-nut torque. Check the wheel-hub slotted-nut torque. Adjust the caster-pivot bearing. Check the parking brake adjustment. After the initial change—change the hydraulic-system filters and fluid when using Toro® HYPR-OIL™ 500 fluid.
Greasing the Mower Deck Note: Keep the dust cap off until greasing is done. Service Interval: Yearly—Grease the pump-belt-idler arm. 1. 2. 3. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 6. Remove the hex plug. 7. Thread a grease fitting into the hole. 8. Pump grease into the fitting until it oozes out around the top bearing.
Greasing the Caster-Wheel Hubs 13. With the open end of the wheel facing up, fill the area inside the wheel around the axle full of general-purpose grease. Service Interval: Yearly 14. Insert the second bearing and new seal into the wheel. 1. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. 15. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.
Engine Maintenance Engine Safety • Shut off the engine before checking the oil or adding oil to the crankcase. • Keep your hands, feet, face, clothing, and other body parts away the muffler and other hot surfaces. Servicing the Air Cleaner Service Interval: Before each use or daily—Check the air cleaner for dirty, loose or damaged parts. Every 250 hours—Service or replace the air-cleaner foam element (more often under dusty, dirty conditions). g028105 Figure 43 1.
10. Servicing the Engine Oil Inspect the primary filter for damage by looking into the filter, while shining a bright light on the outside of the filter. Service Interval: Before each use or daily Every 100 hours (more often in dirty or dusty conditions). Note: Holes in the filter will appear as bright spots. If the filter is damaged, discard it. Every 200 hours—Change the engine-oil filter (more often in dirty or dusty conditions).
Changing the Engine Oil Note: Dispose of the used oil at a recycling center. 1. Start the engine and let it run for 5 minutes. Note: This warms the oil so that it drains better. 2. Park the machine so that the drain side is slightly lower than the opposite side to ensure that the oil drains completely. 3. Disengage the blade-control switch (PTO) and engage the parking brake. 4. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 5.
6. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure 48). g008804 g194610 Figure 48 7. Start the engine and drive to a flat area. 8. Check the oil level again. g027477 Figure 49 Changing the Engine-Oil Filter Service Interval: Every 200 hours—For Kohler engines—change the engine-oil filter (more often in dirty or dusty conditions). 1.
Servicing the Spark Plug Service Interval: Every 200 hours—For Kohler engines—check the spark plug(s). Every 500 hours—For Kohler engines—replace the spark plug(s). Type: Champion XC12YC g206628 Figure 51 Air Gap: 0.76 mm (0.03 inch) Removing the Spark Plug 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3.
Checking the Spark Arrester Fuel System Maintenance For Machines with a Spark Arrester DANGER In certain conditions, fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and others and can damage property. Service Interval: Every 50 hours WARNING Hot exhaust-system components may ignite fuel vapors even after you shut off the engine. Hot particles exhausted during engine operation may ignite flammable materials, resulting in personal injury or property damage.
Electrical System Maintenance Electrical System Safety • Disconnect the battery before repairing the machine. Disconnect the negative terminal first and the positive last. Connect the positive terminal first and the negative last. • Charge the battery in an open, well-ventilated area, away from sparks and flames. Unplug the charger before connecting or disconnecting the battery. Wear protective clothing and use insulated tools.
2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Charging the Battery 3. Remove the battery as shown in Figure 54. Charging the battery produces gasses that can explode. WARNING Never smoke near the battery and keep sparks and flames away from the battery. Important: Always keep the battery fully charged (1.265 specific gravity). This is especially important to prevent battery damage when the temperature is below 0°C (32°F). 1.
Installing the Battery Drive System Maintenance Note: Position the battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 56). Checking the Seat Belt Service Interval: Before each use or daily Inspect the seat belt for wear, cuts, and proper operation of the retractor and buckle. Replace the seat belt if it is damaged.
Adjusting the Tracking 1. Disengage the blade-control switch (PTO). 2. Drive to an open flat area, move the motion-control levers to the NEUTRAL-LOCK position. 3. Move the throttle midway between the FAST and SLOW positions. 4. Move both motion-control levers all the way forward until they both hit the stops in the T-slot. 5. Check which way the machine tracks. 6. Engage the parking brake, shut off the engine, and remove the key. 7. Adjust the stop plates as needed.
Checking the Tire Pressure Service Interval: Every 50 hours/Monthly (whichever comes first) Maintain the air pressure in the rear tires at 90 kPa (13 psi). Uneven tire pressure can cause uneven cut. Check the tires when they are cold to get the most accurate pressure reading. Note: The front tires are semi-pneumatic tires and do not require air pressure maintenance. g024121 Figure 62 g001055 Figure 61 1.
3. Using an air compressor, blow out any debris from under the brake pole and around the brake spacers (Figure 65). g010868 Figure 65 g001297 Figure 63 1. Spring washers 4. 3. Dust cap 2. Locknut Check the condition of the wire-harness leads, connectors, and terminals. Note: Clean or repair as necessary. 5. Verify that 12 V is present at the clutch connector when the blade-control switch (PTO) switch is engaged. 6. Measure the gap between the rotor and armature.
• If the gap is less than 0.25 mm (0.01 inch), then install the shim. • If the gap is sufficient, proceed to the safety check in step F. F. Perform the following safety check: i. Sit on the seat and start the engine. ii. Make sure that the blades do not engage with the blade-control switch (PTO) in the OFF position, and that the clutch is disengaged. g010871 Figure 67 1. Shim If the clutch does not disengage, install the shim again. C.
Cleaning the Engine-Cooling Fins and Shrouds Cooling System Maintenance Cleaning the Engine Screen and Engine-Oil Cooler Service Interval: Every 100 hours/Yearly (whichever comes first) 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the air-intake screen, the recoil starter, and the fan housing (Figure 71). 4.
Brake Maintenance Checking and Cleaning the Hydraulic-Unit Shrouds Adjusting the Parking Brake Service Interval: Before each use or daily 1. 2. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. Service Interval: After the first 100 hours Every 500 hours thereafter Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Move the seat forward. 4.
Belt Maintenance Inspecting the Belts Service Interval: Every 50 hours Replace the belt if it is worn. The signs of a worn belt include squealing while the belt is rotating; the blades slipping while cutting grass; and frayed edges, burn marks, and cracks on the belt. Replacing the Mower Belt g026961 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. 2.
g027730 Figure 76 1. Position the belt cover. 2. Slide the belt cover under the side catches. g009038 Figure 75 1. Clutch pulley 2. Mower belt 5. Square hole in the idler arm for the ratchet 6. Idler-grease fitting 3. Spring-loaded idler pulley 7. Belt guide 4. Ratchet 10. Install the belt guide on the idler arm (Figure 75). 11. Using the ratchet in the square hole, install the idler spring (Figure 75). Note: Make sure that the spring ends are seated in the anchor grooves. 12.
Replacing the Hydraulic Pump-Drive Belt 1. 2. Controls System Maintenance Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. Adjusting the Control-Handle Position Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the mower belt; refer to Replacing the Mower Belt (page 54). 4. Raise the machine and support it with jack stands (Figure 77).
4. Raise the rear of the machine up and support it with jack stands (or equivalent support) just high enough to allow the drive wheels to turn freely. 5. Remove the electrical connection from the seat safety switch, located under the bottom cushion of the seat. Note: The switch is a part of the seat assembly. 6. Temporarily install a jumper wire across the terminals in the connector of the main wire harness. 7. Start the engine, run it at full throttle, and disengage the parking brake.
11. Adjusting the Motion-Control Neutral-Lock Pivot Move the motion-control levers to the REVERSE position and while applying slight pressure to the lever, allow the reverse-indicator springs to bring the levers back to neutral. Note: The wheels should stop turning or slightly creep in reverse. 12. Shut off the machine. 13. Remove the jumper wire from the wire harness and plug the connector into the seat switch. 14. Remove the jack stands. 15.
Hydraulic System Maintenance 6. Remove 1 dipstick from the hydraulic reservoir (Figure 83). 7. Wipe the dipstick off and thread the dipstick into the reservoir. Hydraulic System Safety 8. Remove the dipstick and look at the end (Figure 83). • Seek immediate medical attention if fluid is injected Important: Do not overfill the hydraulic into skin. Injected fluid must be surgically removed within a few hours by a doctor. units with fluid, as damage may occur.
Changing the Hydraulic Fluid and Filters 5. Place a drain pan under the filter, remove the old filter, and wipe the surface clean (Figure 85). Service Interval: After the first 250 hours—Change the hydraulic filters and hydraulic fluid. Every 250 hours—After the initial change—change the hydraulic-system filters and fluid when using Mobil 1 15W50 fluid.
Mower Deck Maintenance Blade Safety A worn or damaged blade can break, and a piece of the blade could be thrown toward you or bystanders, resulting in serious personal injury or death. Trying to repair a damaged blade may result in discontinued safety certification of the product. 1. Cutting edge 3. Wear/slot forming • Inspect the blades periodically for wear or damage. 2. Curved area 4. Crack g006530 Figure 86 • Use care when checking the blades.
Checking for Bent Blades Note: The machine must be on a level surface for the following procedure. 1. Raise the mower deck to the highest height-of-cut position. 2. While wearing thickly padded gloves, or other adequate hand protection, slowly rotate the blade into a position that allows you to measure the distance between the cutting edge and the level surface the machine is on (Figure 87). g014974 Figure 89 1. Blade (side previously measured) 2. Measurement (position used previously) 3.
Removing the Blades Note: If the blade stays in a horizontal position, the blade is balanced and can be used. Replace the blades if they hit a solid object, or if the blade is out of balance or bent. 1. Place a wrench on the flat of the spindle shaft or hold the blade end using a rag or thickly padded glove. 2. Remove the blade bolt, bushing, and blade from the spindle shaft (Figure 91). Note: If the blade is not balanced, file some metal off the end of the sail area only (Figure 92).
g298850 Figure 95 1. Top spindle nut 3. Blade bolt g027343 Figure 96 2. Flat of the spindle shaft 1. Deck-lift pedal 3. 4. Apply copper-based lubricant or grease to the threads of the blade bolt as needed to prevent seizing. Install the blade bolt finger-tight. Place a wrench on the flat of the spindle shaft and torque the blade bolt to 75 to 81 N∙m (55 to 60 ft-lb). Leveling the Mower Deck 1.
g009196 Figure 97 1. 7.6 cm (3 inch) at position A is correct 2. 8.3 cm (3-1/4 inch) at position B is correct 3. Measure here from the blade tip to the hard surface 4. Measure at position A and B on both sides g027344 10. Figure 98 Fine-tune the adjustment nut on the front deck-lift assembly by turning it (Figure 98). Note: To increase the height, turn the adjustment nut clockwise; to decrease the height, turn the nut counterclockwise. 1. Adjustment nut 3. Rear deck adjustment 2. Jam nut 4.
Removing the Mower Deck Note: Loosen or tighten the single-point adjustment bolt enough to move the height-of-cut plate mounting bolts at least 1/3 the length of the available travel in their slots. This regains some up and down adjustment on each of the 4 deck links. Lock out the spring-loaded deck arms before servicing or removing the mower deck. WARNING Deck-lift arm assemblies have stored energy. Removing the deck with out releasing the stored energy can cause serious injury or death.
g009038 Figure 101 1. Clutch pulley 2. Mower belt 5. Square hole in the idler arm for the ratchet 6. Idler grease fitting 3. Spring-loaded idler pulley 7. Belt guide 4. Ratchet 7. Remove and retain the hardware on both sides of the deck as shown in Figure 102. g010252 Figure 102 1. Right stabilizer 2. Deck strut (right side shown) 3. Remove the shoulder bolt and nut. 4. Remove the shoulder bolt and nut. 67 8. Raise the deck struts and secure them in the raised position. 9.
Replacing the Grass Deflector Cleaning Cleaning under the Mower Deck WARNING An uncovered discharge opening could allow the machine to throw objects toward you or bystanders, resulting in serious injury. Also, contact with the blade could occur. Service Interval: Before each use or daily Never operate the machine unless you install a mulch plate, discharge deflector, or grass collection system. 1. 2. Remove the locknut, bolt, spring, and spacer holding the deflector to the pivot brackets (Figure 103).
Storage 13. Storage Safety Prepare the machine for storage when non-use occurs over 30 days. Prepare the machine for storage as follows: A. • Shut off the engine, remove the key, wait for all moving parts to stop, and allow the machine to cool before storing it. • Do not store the machine or fuel near flames or drain the fuel indoors. Add a petroleum-based stabilizer/conditioner to fuel in the tank. Follow mixing instructions from the stabilizer manufacturer.
Troubleshooting Problem The starter does not crank. The engine does not start, starts hard, or fails to keep running. Possible Cause 1. The blade-control switch is engaged. 1. Disengage the blade-control switch. 2. The parking brake is disengaged. 3. The motion-control levers are not in the NEUTRAL-LOCK position. 4. You are not sitting in the operator’s seat. 5. The battery is dead. 6. The electrical connections are corroded or loose. 7. A fuse is blown. 8. A relay or switch is damaged. 2.
Problem The machine pulls to the left or right (with the motion-control levers fully forward). The machine does not drive. The machine vibrates abnormally. The cutting height is uneven. Possible Cause 1. The tracking needs adjustment 1. Adjust the tracking. 2. The tire pressure in the drive tires is not correct. 2. Adjust the tire pressure in the drive tires. 1. The bypass valves are not closed tight. 1. Tighten the bypass valves. 2. The pump belt is worn, loose, or broken. 3.
Electrical Schematic (Rev.
Notes:
Notes:
California Proposition 65 Warning Information What is this warning? You may see a product for sale that has a warning label like the following: WARNING: Cancer and Reproductive Harm—www.p65Warnings.ca.gov. What is Prop 65? Prop 65 applies to any company operating in California, selling products in California, or manufacturing products that may be sold in or brought into California.
