Form No. 3447-510 Rev A Z Master® Professional 6000 Series Riding Mower With 60in or 72in TURBO FORCE® Side Discharge Mower Model No. 72980—Serial No. 400000000 and Up Model No. 72982—Serial No. 400000000 and Up Register at www.Toro.com.
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. This rotary-blade, riding lawn mower is intended to be used by professional, hired operators.
information and Note emphasizes general information worthy of special attention. The safety-alert symbol (Figure 2) appears both in this manual and on the machine to identify important safety messages that you must follow to avoid accidents. This symbol will appear with the word Danger, Warning, or Caution. • Danger indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
Contents Servicing the Electronic Fuel-Injection System.......................................................... 44 Replacing the Fuel Filter ................................... 44 Servicing the Fuel Tank..................................... 44 Electrical System Maintenance ........................... 45 Electrical System Safety ................................... 45 Servicing the Battery......................................... 45 Servicing the Fuses ..........................................
Safety This machine has been designed in accordance with ANSI standard B71.4-2017. General Safety This product is capable of amputating hands and feet and of throwing objects. Always follow all safety instructions to avoid serious personal injury or death. • Read and understand the contents of this Operator’s Manual before starting the engine. • Keep bystanders and children away. • Do not allow children or untrained people to operate or service the machine.
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.
decal116-1716 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 decal107-3069 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.
decal120-5899 120–5899 1. Power Takeoff (PTO) 3. Continuous-variable setting 2. Slow 4. Fast decal117-0346 decal126-2055 117-0346 126-2055 1. Fuel leak hazard—read the Operator's Manual; do not attempt to remove the roll bar; do not weld, drill, or modify the roll bar in any way. 1. Wheel lug nut—torque to 129 N∙m (95 ft-lb). 2. Wheel hub nut—torque to 319 N∙m (235 ft-lb). 3.
decal127-0326 127-0326 3. Remove the key and read the Operator's Manual before performing maintenance. 1. Read the Operator's Manual. 2. Height of cut decal136-5508 136-5508 1. Belt routing decal133-8062 133-8062 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.
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 g027333 Figure 4 g013112 1. Deck-lift pedal 6. Roll bar 2. Transport lock 7. Seat belt 3. Parking-brake lever 8. Fuel cap 4. Controls 5. Motion-control levers Figure 5 9. Mower deck 10. Caster wheel 1. Blade-control switch (power takeoff) 4. Hour meter 2. Throttle control 5. Key switch 3. Malfunction-indicator light (MIL) 6.
Hour Meter Blade-Control Switch (Power Takeoff) 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). The blade-control switch, represented by a power-takeoff (PTO) symbol, engages and disengages power to the mower blades (Figure 5). g008950 Figure 6 1. Fuel gauge (bars) 4. Safety-interlock symbols 2. Battery light 5. Low fuel indicator light 3.
Electronic-Control Unit Malfunction-Indicator Light For Models with an EFI Engine Only The electronic-control unit (ECU) continuously monitors the operation of the EFI system. If a problem or fault within the system is detected, the malfunction-indicator light (MIL) illuminates. The MIL is the red light located in the right console panel. Once the MIL illuminates, make initial troubleshooting checks; refer to the MIL section under Troubleshooting (page 70).
Specifications Note: Specifications and design are subject to change without notice.
Fuel Safety Operation • Fuel is extremely flammable and highly explosive. Note: Determine the left and right sides of the machine from the normal operating position. Before Operation Before Operation Safety General Safety • Do not allow children or untrained people to operate or service the machine. Local regulations may restrict the age of the operator. The owner is responsible for training all operators and mechanics.
Adding Fuel Note: Do not fill the fuel tank completely full. The empty space in the tank allows the fuel to expand. Recommended Fuel • For best results, use only clean, fresh (less than 30 days old), unleaded gasoline with an octane rating of 87 or higher ((R+M)/2 rating method). • Ethanol: Gasoline with up to 10% ethanol (gasohol) or 15% MTBE (methyl tertiary butyl ether) by volume is acceptable. Ethanol and MTBE are not the same. Gasoline with 15% ethanol (E15) by volume is not approved for use.
Performing Daily Maintenance 3. Lower the roll bar to the down position (Figure 8). Before starting the machine each day, perform the Each Use/Daily procedures listed in Maintenance (page 35). Breaking in a New Machine 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.
Using the Safety-Interlock System 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. 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.
Unlatching the Seat Changing the Seat Suspension To unlatch the seat, push the seat latch forward (Figure 11). The seat is adjustable to provide a smooth and comfortable ride. Position the seat where you are most comfortable. To adjust it, turn the knob in front either direction to provide the best comfort (Figure 12). g008956 Figure 11 1. Seat latch 2. Seat g019768 Figure 12 1.
• Do not mow with the discharge deflector raised, removed, or altered unless there is a grass-collection system or mulch kit in place and working properly. • Do not mow in reverse unless it is absolutely necessary. Always look down and behind you before moving the machine in reverse. g229846 Figure 13 • Use extreme care when approaching blind 1. Wear hearing protection. corners, shrubs, trees, or other objects that may block your view.
• Replace damaged ROPS components. Do not braking and steering. The machine can slide even if the drive wheels are stopped. repair or alter them. • There is no rollover protection when the roll bar • Remove or mark obstacles such as ditches, holes, is down. ruts, bumps, rocks, or other hidden hazards. Tall grass can hide obstacles. Uneven terrain could overturn the machine. • Wheels dropping over edges, over steep banks, or into water can cause a rollover, which may result in serious injury or death.
Operating the Parking Brake Always engage the parking brake when you stop the machine or leave it unattended. Engaging the Parking Brake g008945 Figure 17 Park the machine on a level surface. Disengaging the Blade-Control Switch (PTO) g027334 Figure 15 g009174 Figure 18 Disengaging the Parking Brake Operating the Throttle You can move the throttle control between FAST and SLOW positions (Figure 19). Always use the FAST position when engaging the PTO.
Starting the Engine Shutting Off the Engine Important: Do not engage the starter for more CAUTION 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. 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 Always remove the key and engage the parking brake when leaving the machine unattended.
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. Disengage the parking brake. 2.
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 recommendations only. 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 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 Using the Fuel-Shutoff Valve The fuel-shutoff valve is located under the seat. Move the seat forward to access it. WARNING Close the fuel-shutoff valve for transport, maintenance, and storage. Hands may become entangled in the rotating drive components below the engine deck, which could result in serious injury. Ensure that the fuel-shutoff valve is open when starting the engine.
Selecting a Trailer WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death (Figure 35). • Use only a full-width ramp; do not use individual ramps for each side of the machine. • Do not exceed a 15-degree angle between the ramp and the ground or between the ramp and the trailer or truck. g015123 • Ensure that the length of the ramp is at least 4 times as long as the height of the trailer or truck bed to the ground.
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 • Check the parking brake operation frequently. • Maintenance Safety • • If you leave the key in the switch, someone could • • • • accidently start the engine and seriously injure you or other bystanders. Remove the key from the switch before you perform any maintenance. Before you leave the operator’s position, do the following: – Park the machine on a level surface. – Disengage the drives. – Engage the parking brake. – Shut off the engine and remove the key.
Maintenance Service Interval Every 400 hours or yearly, whichever comes first Every 500 hours Every 600 hours Monthly Yearly Yearly or before storage Maintenance Procedure • Replace the primary air filter (more often in dirty or dusty conditions). • Replace the fuel filter (more often in dirty or dusty conditions). • • • • • • Change the engine oil and filter (more often in dirty or dusty conditions). Check the wheel lug-nut torque. Check the wheel-hub slotted-nut torque.
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 • Keep your hands, feet, face, clothing, and other body parts away from the muffler and other hot surfaces. Allow engine components to cool before performing maintenance. • Do not change the engine governor speed or overspeed the engine. Servicing the Air Cleaner Service Interval: Every 100 hours or yearly, whichever comes first—Clean the primary air filter (more often in dirty or dusty conditions).
Installing the Filters Servicing the Engine Oil Important: To prevent engine damage, always Service Interval: Before each use or daily operate the engine with both air filters and the cover installed. 1. Every 500 hours—Change the engine oil and filter (more often in dirty or dusty conditions). If you are installing new filters, check each filter for shipping damage. Engine-Oil Specifications Note: Do not use a damaged filter. 2.
Checking the Engine-Oil Level Note: Check the oil when the engine is cold. Important: If you overfill or underfill the engine crankcase with oil and run the engine, you may damage the engine. 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.
Changing the Engine Oil Changing the Engine-Oil Filter 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.
Servicing the Spark Plug(s) Set the gap to 0.75 mm (0.03 inch). Service Interval: Every 100 hours or yearly, whichever comes first—Replace or clean and gap the spark plug. Ensure that the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench for removing and installing the spark plug and a gapping tool or feeler gauge to check and adjust the air gap. Install a new spark plug if necessary.
Fuel System Maintenance 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. Refer to Fuel Safety (page 17) for a complete list of fuel related precautions. Servicing the Electronic Fuel-Injection System g333362 Figure 51 This machine contains an electronic fuel-injection system. It controls the fuel flow under different operating conditions. 1. Fuel filter 3. Fuel line to the engine 2.
Electrical System Maintenance 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the battery as shown in Figure 52. 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.
Installing the Battery Charging the Battery Note: Position the battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 54). WARNING Charging the battery produces gasses that can explode. 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.
Servicing the Fuses Drive System Maintenance The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check the component/circuit for a malfunction or short. Checking the Seat Belt The fuses are located on the console to the right of the seat (Figure 55). 1. To replace the fuses, pull out on the fuse to remove it. 2. Install a new fuse (Figure 55).
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 Checking the Wheel Lug Nuts Service Interval: Every 50 hours/Monthly (whichever comes first) Check and torque the wheel lug nuts to 122 to 129 N∙m (90 to 95 ft-lb). 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. Checking the Wheel-Hub Slotted Nut Note: The front tires are semi-pneumatic tires and do not require air pressure maintenance.
Adjusting the Caster-Pivot Bearing Removing the Clutch Shim Some later model year units have been built with clutches that contain a brake shim. When the clutch brake has worn to the point where the clutch no longer engages consistently, you can remove the shim to extend the clutch life. Service Interval: Every 500 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.
5. Verify that 12 V is present at the clutch connector when the blade-control switch (PTO) switch is engaged. the rotor and the armature face on both sides of the brake pole as shown in Figure 66 and Figure 67. 6. Measure the gap between the rotor and armature. If the gap is greater than 1 mm (0.04 inch), do the following steps: Note: Due to the way the rotor and the A. armature faces wear (peaks and valleys) it is sometimes difficult to measure the gap accurately.
Cleaning the Engine-Cooling Fins and Shrouds Cooling System Maintenance Cooling System Safety Service Interval: Every 100 hours/Yearly (whichever comes first) • Swallowing engine coolant can cause poisoning; keep out of reach from children and pets. 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.
Brake Maintenance Checking and Cleaning the Hydraulic-Unit Shrouds Adjusting the Parking Brake Service Interval: Before each use or daily 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. Move the seat forward. 4. Clean the debris and grass from the hydraulic-unit shrouds (Figure 70). 5. Position the seat.
12. Tighten the jam nut on the rear linkage (Figure 71). Belt Maintenance 13. Ensure that the wheel hub moves freely between the caliper brake pads. Inspecting the Belts 14. Repeats steps 8 to 13 for the right side. Service Interval: Every 50 hours 15. Rotate the drive wheel release handle to the operating position; refer to Using the Drive-Wheel-Release Valves (page 32). 16. Install the rear tires and torque the lug nuts to 129 N∙m (95 ft-lb). 17. Remove the jack stands.
g027730 Figure 74 1. Position the belt cover. 2. Slide the belt cover under the side catches. g009038 Figure 73 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 73). 11. Using the ratchet in the square hole, install the idler spring (Figure 73). 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 75).
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 81). 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 81). • 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 83). 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 • Inspect the blades periodically for wear or damage. • Use care when checking the blades. Wrap the g006530 blades or wear gloves, and use caution when servicing the blades. Only replace or sharpen the blades; never straighten or weld them. Figure 84 • On multi-bladed machines, take care as rotating one blade can cause other blades to rotate. • Replace worn or damaged blades and bolts in sets to preserve balance.
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 85). g014974 Figure 87 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 89). Note: If the blade is not balanced, file some metal off the end of the sail area only (Figure 90).
g298850 Figure 93 1. Top spindle nut 3. Blade bolt g027343 Figure 94 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 95 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 96 Fine-tune the adjustment nut on the front deck-lift assembly by turning it (Figure 96). 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 99 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 100. g010252 Figure 100 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: After each use 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 101).
Storage 12. Check the condition of the blades; refer to Servicing the Cutting Blades (page 61). Storage Safety 13. Prepare the machine for storage when non-use occurs over 30 days. Prepare the machine for storage as follows: • Shut off the engine, remove the key, and wait for all moving parts to stop before you leave the operator’s position. Allow the machine to cool before adjusting, servicing, cleaning, or storing it. A.
Troubleshooting Problem The malfunction-indicator light (MIL) comes on. Possible Cause 1. The engine is too hot. 1. Shut off the engine and let it cool. 2. There is old fuel in the fuel tank. 3. The fuel-shutoff valve is not open completely. 4. The air cleaner is dirty. 2. Use new fuel. 3. Open the fuel-shutoff valve. 5. The battery is not charged. 6. Incorrect fuel filters are being used or the fuel filters are dirty. 7.
Problem The engine loses power. The engine overheats. Possible Cause 1. The engine load is excessive. 1. Reduce the ground speed. 2. The air cleaner is dirty. 3. The oil level in the crankcase is low. 4. The cooling fins and the air passages above the engine are plugged. 5. The vent hole in the fuel cap is plugged. 6. There is dirt in the fuel filter. 7. There is dirt, water, or stale fuel in the fuel system. 2. Clean the air-cleaner element. 3. Add oil to the crankcase. 4.
Problem The blades do not rotate. Possible Cause 1. The mower deck belt is damaged, worn, loose, or broken. 1. Install a new deck belt. 2. The mower deck belt is off the pulley. 2. Install the mower belt on the deck pulley and check the idler pulley, idler arm, and spring for correct position and function. 3. Check the belt tension or install a new belt. 4. Replace the spring. 3. The pump drive belt is worn, loose, or broken. 4. The idler spring is broken or missing. The clutch does not engage.
A BK BK - GND S B BU (PTO OFF) SW2 (PTO SWITCH) C FUEL SENDER PK + BK BN BN BN 3 5 B BN V A PTO CLUTCH 4 PK 1 4 BK BN 7 F3 U2 TVS DIODE 5 SW5 (NEUT_R) BK 8 3 2 Y PK 6 (LH HYDRO IN DRIVE) SW4 (NEUT_L) PK LTGR (RH HYDRO IN DRIVE) PTO PK ACCESSORIES FUEL GROUND BRAKE 4 W 7 9 (BRAKE OFF) (BRAKE) SW6 GND 15A F4 HOUR METER 11 BK 8 10 T PK 7 1 12 SW7 (SEAT) GN (OPERATOR NOT IN SEAT) OR B+ KEY_S BN PK OR GY R R OR PK 5 I SW1 (IGNITI
g008623 Hydraulic Schematic (Rev.
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.
