Form No. 3409-786 Rev B Z Master® Commercial 3000 Series Riding Mower with 48in or 52in TURBO FORCE® Side Discharge Mower Model No. 74952—Serial No. 400000000 and Up Model No. 74953—Serial No. 400000000 and Up Model No. 78953—Serial No. 400000000 and Up Register at www.Toro.com.
This spark ignition system complies with Canadian ICES-002 Introduction 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.
Contents Safety ....................................................................... 4 General Safety ................................................... 4 Slope Indicator ................................................... 5 Safety and Instructional Decals .......................... 6 Product Overview ................................................... 13 Controls ........................................................... 13 Specifications ..................................................
Safety Checking the Spark Arrester ............................. 43 Fuel System Maintenance ................................... 43 Replacing the Fuel Filter ................................... 43 Servicing the Fuel Tank..................................... 44 Electrical System Maintenance ........................... 44 Electrical System Safety ................................... 44 Servicing the Battery......................................... 44 Servicing the Fuses ........................................
Slope Indicator g011841 Figure 3 This page may be copied for personal use. 1. The maximum slope you can safely 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. decal58-6520 58-6520 decal106-2655 1. Grease 106-2655 1. Warning-do not touch or approach moving belts; remove the ignition key and read the instructions before servicing or performing maintenance. decal93-7818 93-7818 1.
decal110-2067 110-2067 decal110-2068 110-2068 decal107-3069 1. Read the Operator's Manual. 107-3069 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. Lower the roll bar only when absolutely necessary; do not wear the seat belt when the roll bar is down. 3. Read the Operator's Manual; drive slowly and carefully. decal112-9028 112-9028 1.
decal116-5988 116-5988 1. Parking brake—engaged 2. Parking brake—disengaged decal116-8726 116-8726 decal136-5508 136-5508 1. Read the Operator’s Manual for the recommended hydraulic fluid. 1. Belt routing decal116-1716 116-1716 1. Fuel 2. Empty 6. Hour meter 7. PTO 3. Half 8. Parking brake 4. Full 5. Battery 9. Neutral 10. Operator-presence switch decal117-0346 117-0346 1.
decal117-3848 117-3848 1. Thrown object hazard—keep bystanders a safe distance away from the machine. 2. Thrown object hazard, mower-do not operate the machine without the deflector, discharge cover, or grass collection system in place. 3. Cutting/dismemberment of hand or foot—stay away from moving parts; keep all guards and shields in place. decal117-3864 117-3864 decal121-7551 1. Read the Operator’s Manual. 121-7551 2. Fill to bottom of filler neck; warning—do not overfill the tank. 1.
decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery decal126-4398 126-4398 1. Explosion hazard 6. Keep bystanders a safe distance 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. Wear eye protection. 8. Battery acid can cause blindness or severe burns. 9. Flush eyes immediately with water and get medical help fast. 3. Unlock 1.
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.
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 those conditions on that day and at that site.
Hour Meter Product Overview The hour meter records the number of hours the engine has operated. It operates when the engine is running. Use these times for scheduling regular maintenance (Figure 6). Fuel Gauge The fuel gauge is located with the hour meter, and the bars light up when the ignition switch is in the ON position (Figure 6). The indicator light appears when the fuel level is low (approximately 1 gallon remaining in the fuel tank).
Choke Control Specifications Use the choke to start a cold engine. Pull the choke knob up to engage it. Push the choke knob down to disengage it (Figure 5). Note: Specifications and design are subject to change without notice. Width Blade-Control Switch (Power Takeoff) The blade-control switch (PTO) engages and disengages power to the mower blades (Figure 5).
Operation containers on the ground, away from your vehicle before filling. • Remove the equipment from the truck or trailer Note: Determine the left and right sides of the and refuel it while it is on the ground. If this is not possible, then refuel from a portable container rather than a fuel-dispenser nozzle. machine from the normal operating position. Before Operation • Do not operate the machine without the entire exhaust system in place and in proper working condition.
Using Stabilizer/Conditioner Use a fuel stabilizer/conditioner in the machine to provide the following benefits: • Keeps fuel fresh during storage of 90 days or less (drain the fuel tank when storing the machine for more than 90 days) • Cleans the engine while it runs • Eliminates gum-like varnish buildup in the fuel system, which causes hard starting Important: Do not use fuel additives containing methanol or ethanol. Add the correct amount of fuel stabilizer/conditioner to the fuel.
Using the Rollover Protection System (ROPS) WARNING To avoid injury or death from rollover: keep the roll bar in the fully raised locked position and use the seat belt. Ensure that the seat is secured to the machine. WARNING There is no rollover protection when the roll bar is in the down position. • Lower the roll bar only when absolutely necessary. • Do not wear the seat belt when the roll bar is in the down position. • Drive slowly and carefully. • Raise the roll bar as soon as clearance permits.
Think Safety First CAUTION This machine produces sound levels in excess of 85 dBA at the operator’s ear and can cause hearing loss through extended periods of exposure. Please read all safety instructions and symbols in the safety section. Knowing this information could help you or bystanders avoid injury. DANGER Wear hearing protection when operating this machine. Operating the machine on wet grass or steep slopes can cause sliding and loss of control.
to the NEUTRAL-LOCK position. Try starting the engine; the engine should not start. 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. To adjust the seat, move the lever sideways to unlock the seat (Figure 12). g009181 Figure 11 1.
• Keep the roll bar in safe operating condition by • Use care when approaching blind corners, shrubs, thoroughly inspecting it periodically for damage and keeping all the mounting fasteners tight. trees, or other objects that may obscure your vision. • Replace a damaged roll bar. Do not repair or alter • Do not mow near drop-offs, ditches, or it. embankments. The machine could suddenly roll over if a wheel goes over the edge or if the edge gives way.
Disengaging the Parking Brake Operating the Mower Blade-Control Switch (PTO) The blade-control switch (PTO) starts and stops the mower blades and any powered attachments. Engaging the Blade-Control Switch (PTO) Note: Engaging the blade-control switch (PTO) with the throttle position at half or less causes excessive wear to the drive belts.
Disengaging the Blade-Control Switch (PTO) g009174 Figure 16 Operating the Throttle You can move the throttle control between the FAST and SLOW positions (Figure 17). g008959 Figure 18 Always use the FAST position when turning on the mower deck with the blade-control switch (PTO). 1. On position g008946 Figure 17 Operating the Choke Use the choke to start a cold engine. 1. If the engine is cold, use the choke to start the engine. 2.
Operating the Ignition Switch 1. Turn the ignition key to the START position (Figure 19). Note: When the engines starts, release the key. Important: Do not engage starter for more than 5 seconds at a time. If the engine fails to start allow a 15 second cool-down period between attempts. Failure to follow these instructions can burn out the starter motor. Note: You may need multiple attempts to start the engine when you start it the first time after the fuel system has been without fuel completely.
Using the Motion-Control Levers g027337 Figure 21 g004532 Figure 22 Important: Make sure that the fuel-shutoff valve is closed before transporting or storing the machine, as fuel leakage may occur. Engage the parking brake before transporting. Make sure that you remove the key as the fuel pump may run and cause the battery to lose charge. 1. Motion-control lever—NEUTRAL-LOCK position 4. Backward 2. Center, unlocked position 5. Front of machine 3.
Driving Forward CAUTION Note: The engine stops when you move the traction-control with the parking brake engaged. Machine can spin very rapidly. Operator may lose control of machine and cause personal injury or damage to machine. To stop, pull the motion-control levers to the NEUTRAL position. • Use caution when making turns. • Slow the machine down before making sharp turns. 1. Disengage the parking brake; refer to Disengaging the Parking Brake (page 21). 2.
Driving Backward Stopping the Machine 1. Move the levers to the center, unlocked position. 2. To go backward, slowly pull the motion-control levers rearward (Figure 24). To stop the machine, move the traction-control levers to neutral, and then move them to the locked position, disengage the blade-control switch (PTO), and turn the ignition key to the OFF position. Engage the parking brake when you leave the machine; refer to Engaging the Parking Brake (page 20).
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 a UNLOCK position for the transport position (Figure 25). 1. Move the transport lock to the lock position. 2.
Adjusting the Anti-Scalp Rollers Whenever you change the height-of-cut, it is recommended to adjust the height of the anti-scalp rollers. 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, 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. g000944 Figure 29 Adjust the anti-scalp rollers as shown in Figure 27, Figure 28, and Figure 29. 1.
Position B Use this position when bagging. Always align it with the blower opening. g027727 Figure 30 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. g005833 Figure 32 Note: If the engine power draws down and the mower ground speed is the same, open up the baffle. Position C Position A This is the full open 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 in uncut grass.
Using the Drive-Wheel-Release Valves After Operation After Operation Safety General Safety WARNING • Clean grass and debris from the cutting units, • • • • • • Hands may become entangled in the rotating drive components below the engine deck, which could result in serious injury. mufflers, and engine compartment to help prevent fires. Clean up oil or fuel spills. Shut off the fuel before storing or transporting the machine.
g015123 Figure 35 g027338 1. Vertical to push the machine Figure 36 2. Horizontal to run the machine 1. Traction unit tie-down loops 4. Rotate the release valve levers horizontally to run the machine (Figure 35). Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. 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.
Loading the Machine Use extreme caution when loading or unloading machines onto a trailer or a truck. Use a full-width ramp that is wider than the machine for this procedure. Back up the ramp and drive forward down the ramp (Figure 37). g028043 Figure 37 1. Back the machine up the ramp. 2. Drive the machine forward down the ramp. Important: Do not use narrow individual ramps for each side of the machine.
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 8 hours • Change the engine oil. After the first 100 hours • Check the wheel lug-nut torque. • Check the wheel-hub slotted-nut torque. • Check the parking brake adjustment. After the first 250 hours • Change the hydraulic filters and hydraulic fluid when using any type of fluid. Before each use or daily • • • • • • • • Check the safety system. Check the engine-oil level.
CAUTION If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition before you perform any maintenance. Pre-Maintenance Procedures • To ensure optimum performance and continued safety certification of the machine, use only genuine Toro replacement parts and accessories. Replacement parts and accessories made by other manufacturers could be dangerous, and such use could void the product warranty.
Lubrication Greasing the Mower Grease more frequently when operating conditions are extremely dusty or sandy. Service Interval: Yearly—Grease the pump-belt-idler arm. Yearly—Grease the front caster pivots (more often in dirty or dusty conditions). Yearly—Repack the front caster-wheel bearings (more often in dirty or dusty conditions). Grease Type: No. 2 general-purpose lithium-based or molybdenum-based grease 1. 2. 3.
5. Note: Keep the dust cap off until greasing is Lubricating the Caster-Wheel Hubs done. Service Interval: Yearly Remove the dust cap and adjust the caster pivots. 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. 9. Remove the grease fitting in the hole. 10. 1. Shut off the engine, wait for all moving parts to stop, remove the key, and engage the parking brake.
12. With the open end of the wheel facing up, fill the area inside the wheel around the axle full of general-purpose grease. 13. Insert the second bearing and new seal into the wheel. 14. 15. Engine Maintenance WARNING Contact with hot surfaces may cause personal injury. Apply a thread-locking adhesive to the second spacer nut, and thread it onto the axle with the wrench flats facing outward. Keep your hands, feet, face, clothing, and other body parts away the muffler and other hot surfaces.
4. Clean the inside of the air-cleaner cover with compressed air. Servicing the Engine Oil 5. Gently slide the primary filter out of the air-cleaner body (Figure 44). Oil Type: Detergent oil (API service SG, SH, SJ, or higher) Note: Avoid knocking the filter into the side of Oil Capacity: with a filter change, 2.0 L (68 oz); with no filter change, 1.8 L (61 oz) the body. 6. Viscosity: See the table below. Remove the safety filter only if you intend to replace it.
Changing the Engine Oil Service Interval: After the first 8 hours Every 100 hours (more often in dirty or dusty conditions). Note: Dispose of the used oil at a recycling center. 1. g008804 Start the engine and let it run for 5 minutes. Note: This warms the oil so it drains better. 2. 3. 4. Park the machine so that the rear is slightly lower than the front to ensure that the oil drains completely.
5. Changing the Engine-Oil Filter 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). Service Interval: Every 200 hours Note: Change the engine-oil filter more frequently when operating conditions are extremely dusty or sandy. 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 40). 2. Change the engine-oil filter (Figure 49). g008804 g194610 Figure 48 6.
Servicing the Spark Plugs Service Interval: Every 100 hours Make sure that the air gap between the center electrode and the side electrode is correct before installing each spark plug. Use a spark-plug wrench for removing and installing the spark plugs and a gapping tool/feeler gauge to check and adjust the air gap. Install new spark plugs if necessary. g008803 Type : NGK® BPR4ES or equivalent Air Gap: 0.76 mm (0.
Installing the Spark Plug Fuel System Maintenance Tighten the spark plug(s) to 24.4 to 29.8 N·m (18 to 22 ft-lb). Replacing the Fuel Filter Service Interval: Every 500 hours/Yearly (whichever comes first) (more often in dirty or dusty conditions). The fuel filter is located near the engine on the front or rear side of the engine. g027735 Figure 53 1. Disengage the PTO, move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 2.
Servicing the Fuel Tank Electrical System Maintenance Do not attempt to drain the fuel tank. Ensure that an Authorized Service Dealer drains the fuel tank and services any components of the fuel system. 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.
Removing the Battery Installing the Battery Note: Position the battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 55). WARNING Battery terminals or metal tools could short against metal machine components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. • When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the machine.
Drive System Maintenance Checking the Seat Belt Service Interval: Before each use or daily Inspect the seat belt for wear, cuts, and proper operation of retractor and buckle. Replace the seat belt if it is damaged. Checking the Rollover Protection System (ROPS) Knobs g000960 Figure 57 1. Positive battery post 3. Red (+) charger lead 2. Negative battery post 4.
right T-slot until the machine tracks straight (Figure 60). 6. Tighten the stop plate (Figure 60). g010153 Figure 60 Left control lever shown g008943 1. Control lever Figure 59 1. ROPS knob (locked position) 2. Bolt 3. Roll bar in the upright position 4. Roll bar in the folded 2. Pull the ROPS knob out, position and rotate it 90 degrees to change the roll bar position Checking the Tire Pressure Service Interval: Every 50 hours/Monthly (whichever comes first) Adjusting the Tracking 1. 2. 3. 4. 5.
g001055 Figure 61 Checking the Wheel-Lug Nuts Check and torque the wheel lug nuts to 122 to 129 N∙m (90 to 95 ft-lb). g024121 Figure 62 Checking the Wheel-Hub Slotted Nut 1. Slotted nut Service Interval: After the first 100 hours Adjusting the Caster-Pivot Bearing Every 500 hours Check and ensure that the torque of the slotted nut is 286 to 352 N∙m (211 to 260 ft-lb). Service Interval: Every 500 hours/Yearly (whichever comes first) Note: Do not use anti-seize compound on wheel hub. 1.
Removing the Clutch Shim 1. Shut off the engine, wait for all moving parts to stop, remove the key, engage the parking brake, and allow the machine to cool completely before starting these instructions. 2. Using an air compressor, blow out any debris from under the brake pole and around the brake spacers (Figure 65). g001297 Figure 63 1. Spring washers 3. Dust cap g010868 2. Lock nut Figure 65 3.
B. Using needle-nose pliers, or by hand, hold the tab and remove the shim (Figure 67). Note: Do not discard the shim until proper clutch function has been confirmed. g010873 Figure 69 1. Feeler gauge • If the gap is less than 0.25 mm (0.01 g010871 Figure 67 inch), then install the shim; refer to Troubleshooting (page 69). 1. Shim • If the gap is sufficient, proceed to the C. safety check in step F.
Cooling System Maintenance Cleaning the Engine Screen and Engine-Oil Cooler Service Interval: Before each use or daily Remove any buildup of grass, dirt, or other debris from the oil cooler (Figure 70). g008804 g004218 Figure 71 1. Engine guard 4. Fan housing 2. Engine air-intake screen 5. Screw 3. Bolt g009191 Figure 70 Remove any buildup of grass, dirt, or other debris from the engine screen.
Brake Maintenance Checking and Cleaning the Hydraulic-Unit Shrouds Adjusting the Parking Brake Service Interval: Before each use or daily 1. 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. Move the seat forward. 4. Clean the debris and grass from the hydraulic-unit shrouds (Figure 72). 5.
Belt Maintenance Inspecting the Belts Service Interval: Every 50 hours Check the belts for squealing when the belt is rotating; blades slipping when cutting grass; frayed belt edges; burn marks; and cracks, which are signs of a worn mower belt. Replace the mower belt if any of these conditions occur. Replacing the Mower Belt g026961 Figure 73 Left Side Shown 1. L-bracket 4. Rear linkage assembly 2. Linkage stop 5. Caliper 3. Gap 6. Wheel hub 9.
g027730 Figure 76 1. Position the belt cover 3. Ensure that the tab is under the metal catch 2. Slide the belt cover under the side catches g009038 Replacing the Hydraulic Pump-Drive Belt 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 1. Disengage the blade-control switch (PTO) and engage the parking brake. 2.
Controls System Maintenance Adjusting the Control-Handle Position There are 2 height positions for the control levers—high and low. Remove the bolts to adjust the height for the operator. 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, 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.
4. 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. 5. 6. 7. g009195 Figure 79 5. If the ends of the levers hit against each other, refer to Adjusting the Control-Handle Position (page 55). 6. Repeat to adjust the control levers. Temporarily install a jumper wire across the terminals in the connector of the main wire harness.
1. Loosen the jam nut. 2. Note: The wheels must stop turning or slightly Tighten or loosen the flanged nut to the desired feel. creep in reverse. • For more resistance, tighten the flanged nut. Shut off the unit, remove the jumper wire from the wire harness, and plug the connector into the seat switch. • For less resistance, loosen the flanged nut the lever, allow the reverse-indicator springs to bring the levers back to neutral. 11. 12. Remove the jack stands. 13.
Hydraulic System Maintenance 7. Remove 1 dipstick from the hydraulic reservoir (Figure 83). 8. Wipe the dipstick off and thread the dipstick into the reservoir. Hydraulic System Safety 9. Remove the dipstick and look at the end (Figure 83). • Ensure that all hydraulic-fluid hoses and Important: Do not overfill the hydraulic lines are in good condition and all hydraulic connections and fittings are tight before applying pressure to the hydraulic system. units with oil as damage may occur.
WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury. • If hydraulic fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this type of injury. Gangrene may result if this is not done. • Keep your body and hands away from pinhole leaks or nozzles that eject high-pressure hydraulic fluid. • Use cardboard or paper to find hydraulic leaks.
Mower Deck Maintenance 7. Install the replacement hydraulic filter. 8. Install the pump-drive belt and the mower belt. 9. Remove the jack stands and lower the machine (Figure 84). 10. Add oil to the hydraulic reservoir and check for any leaks. Leveling the Mower Deck 11. Clean up any spilled oil. Setting Up the Machine 12. Start the engine and let it run for about 2 minutes to purge air from the system. 13. Shut off the engine and check for leaks. 14.
g009196 Figure 87 g027343 1. 7.6 cm (3 inches) at position A is correct. 3. Measure here from the blade tip to hard surface. 2. 8.3 cm (3-1/4 inches) at position B is correct. 4. Measure at position A and B on both sides. Figure 86 1. Deck-lift pedal 10. 3. Transport lock 2. Height-of-cut pin 6. Insert the height-adjustment pin into the 7.6 cm (3 inches) cutting-height location. 7. Release the transport lock and allow the deck to lower to the cutting height. 8. Raise the discharge chute. 9.
15. On both sides of the deck, measure from the level surface to the back tip of the blade (postion B) as shown in Figure 87. Note: The measurement should read 8.3 cm (3-1/4 inches) 16. Fine-tune the screw adjuster by turning it to get 8.3 mm (3-1/4 inches) height (Figure 88). Note: To increase the height, turn the adjustment nut clockwise; to decrease, turn counterclockwise. g027345 Figure 89 1. Bolts at the bottom of the height-of-cut plate 12.
Inspecting the Blades Servicing the Cutting Blades Service Interval: Before each use or daily To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, you may want to keep extra blades on hand. 1. Inspect the cutting edges (Figure 91). 2. If the edges are not sharp or have nicks, remove and sharpen the blade; refer to Sharpening the Blades (page 64). Blade Safety 3. Inspect the blades, especially in the curved area. 4.
Removing the Blades Checking for Bent Blades 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, 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. Rotate the blades until the ends face forward and backward. 1. Hold the blade end using a rag or a thickly-padded glove. 4.
Note: If the blade stays in a horizontal position, the blade is balanced and can be used. WARNING Deck-lift arm assemblies have stored energy. Removing the deck with out releasing the stored energy can cause serious injury or death. Note: If the blade is not balanced, file some metal off the end of the sail area only (Figure 94). Do not attempt to disassemble the deck from the front frame without locking out the stored energy. g000553 Figure 95 1. Blade 3. 2.
8. 9. Raise the deck struts and secure them in the raised position. Slide the deck out to the right side of the machine. Replacing the Grass Deflector WARNING An uncovered discharge opening could allow the lawn mower to throw objects at you or bystanders, resulting in serious injury. Also, contact with the blade could occur. Never operate the lawn mower unless you install a cover plate, mulch plate, grass deflector, or bagger. 1.
Cleaning position and ensure that it rotates into the full down position. Cleaning under the Mower Service Interval: Before each use or daily 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and engange 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. Raise the mower to the transport position.
Storage Note: A fuel stabilizer/conditioner is most effective when mixed with fresh fuel and used at all times. Cleaning and Storage 1. 2. Disengage the power takeoff (blade-control switch (PTO), engage the parking brake, and turn the ignition key to the OFF position. Remove the key. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine and hydraulic system. Clean dirt and chaff from the outside of the engine cylinder head fins and blower housing.
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 (PTO) is engaged. 1. Move the blade-control switch (PTO) to the disengaged position. 2. The parking brake is disengaged. 3. The motion-control levers are not in the NEUTRAL-LOCK position. 4. The operator is not seated. 5. The battery is dead. 6. The electrical connections are corroded or loose. 7. The fuse is blown. 8.
Problem The machine does not drive. The machine vibrates abnormally. The machine produces an uneven cutting height. Possible Cause 1. The bypass valves are not closed tight. 1. Tighten the bypass valves. 2. The pump belt is worn, loose, or broken. 3. The pump belt is off a pulley. 4. The idler spring is broken or missing. 5. The hydraulic-fluid level is low or too hot. 2. Change the belt. 1. Install new cutting blade(s). 2. The blade mounting bolt is loose. 3. The engine mounting bolts are loose. 4.
Schematics g020788 Electrical Schematic (Rev.
The Toro Warranty Landscape Contractor Equipment (LCE) A Limited Warranty (see warranty periods below) Riding Product Conditions and Products Covered 3. If for any reason you are dissatisfied with the Service Dealer’s analysis or with the assistance provided, contact us at: The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair the Toro Products listed below if defective in materials or workmanship.
