FORM NO. 3321–988 Wheel Horse 523Dxi Tractor Model No. 73590 – 9900001 & Up Operator’s Manual IMPORTANT: Read this manual carefully. It contains information about your safety and the safety of others. Also become familiar with the controls and their proper use before you operate the product.
Introduction Thank you for purchasing a Toro product. All of us at Toro want you to be completely satisfied with your new product, so feel free to contact your local Authorized Service Dealer for help with service, genuine replacement parts, or other information you may require. Whenever you contact your Authorized Service Dealer or the factory, always know the model and serial numbers of your product.
Contents Page Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Safe Operation Practices for Ride-on (riding) Rotary Lawnmower Machines . . . . . . . . 2 Safe Operating Practices . . . . . . . . . . . . . . 2 Sound Pressure Level . . . . . . . . . . . . . . . . . 4 Sound Power Level . . . . . . . . . . . . . . . . . . 4 Vibration Level . . . . . . . . . . . . . . . . . . . . . 4 Slope Chart . . . . . . . . . . . . . . . . . . . . . . . . . 5 Safety and Instruction Decals . . . . . .
Safety Safe Operation Practices for Ride-on (riding) Rotary Lawnmower Machines 6. This machine meets or exceeds European Standards in effect at the time of production. However, improper use or maintenance by the operator or owner can result in injury. To reduce the potential for injury, comply with these safety instructions and always pay attention to the safety alert symbol, which means CAUTION, WARNING, or DANGER—“personal safety instruction.
Safety • If fuel is spilled, do not attempt to start the engine but move the machine away from the area of spillage and avoid creating any source of ignition until fuel vapors have dissipated. • Replace all fuel tanks and container caps securely. 4. Replace faulty silencers. 5. Before using, always visually inspect to see that the blades, blade bolts and cutter assembly are not worn or damaged. Replace worn or damaged blades and bolts in sets to preserve balance. 6.
Safety • before making height adjustment unless adjustment can be made from the operator’s position. 4. To reduce the fire hazard, keep the engine, silencer, battery compartment and fuel storage area free of grass, leaves, or excessive grease. 14. Reduce the throttle setting during engine run-out and, if the engine is provided with a shut-off valve, turn the fuel off at the conclusion of mowing. 5. Check the grass catcher frequently for wear or deterioration. 6.
Safety Slope Chart Read all safety instructions on pages 2–4.
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Safety Safety and Instruction 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 lost. ON SEAT BRACKET (Part No. 99–2986) ON DRIVE SHAFT COVER (Part No. 98–1608) ON SEAT BRACKET (Part No. 99–5340) (1) ON DRIVESHAFT TUNNEL (2) UNDER SIDE SHIELD (Part No. 98–5015) ON RADIATOR FAN SHROUD (Part No. 95–4143) (2) INSIDE FRONT GRILL (Part No. 93–8069) ON REAR FENDER (Part No.
Safety Symbols Glossary Safety alert symbol Dismemberment–Mower in rearward motion Safety alert symbol Stay a safe distance from the machine Read operator’s manual Consult Technical Manual for proper service procedures Thrown or flying objects– Whole body exposure Thrown or flying objects– Rotary side-mounted mower. Keep deflector shield in place Severing toes or foot– mower blade Severing fingers or hand– mower blade Rotating blade can cut off toes or fingers.
Safety Symbols Glossary Cutting element– basic symbol Riding on this machine is allowed only on a passenger seat & only if the driver’s view is not hindered Cutting element– height adjustment Cutting unit–lower Crushing of fingers or hands–Force applied from side Cutting unit-raised Kickback or upward motion–Stored energy Cutting or entanglement of foot–Rotating auger Severing of fingers or hand– impeller blade Keep a safe distance from snowthrower Stay a safe distance from the snowthrower Shut of
Safety Symbols Glossary Fast Slow Fuel Fuel level Decreasing/Increasing On/Run Volume empty Off/Stop Volume full Engine Battery charging conditin Engine start Head lights– Main/high beam Engine stop Brake system Choke Parking brake Engine temperature Clutch PTO (Power Take Off) Engine lubricating oil pressure Engage Disengage Engine lubricating oil level Unlock Lock ”Key Choice” switch 10
Check Before Operating Each time before operating your tractor, check the following: • Fuel level • Water drained from the fuel filter • Engine oil level • Cooling system fluid level and radiator screen • Debris on the (3) air intake screens • Debris in the engine area • Debris on the rear transaxle cover • The safety interlock system • The brake 1 m–3584 Figure 1 1.
Check Before Operating Closing the Hood 2 1 The hood latch is located at the left hand corner of the grille. 1. Press rearward on the hood catch as you begin to lower the hood (Fig. 2). 2. Push the hood down until the latch closes. 1 m–3318 Figure 3 2 1. Side panel latch 2. Open slot 2 Front of tractor Figure 2 1. Hood catch 2. Hood hinges POTENTIAL HAZARD • Rotating fan and drive shaft can cause injury.
Check Before Operating Adding Fuel The engine runs on clean, fresh diesel fuel with a minimum cetane rating of 40. Purchase fuel in quantities that can be used within 30 days to assure fuel freshness. POTENTIAL HAZARD • Under certain conditions, fuel is extremely flammable and highly explosive. WHAT CAN HAPPEN • A fire or explosion from fuel can burn you, others, and cause property damage. Use summer grade diesel fuel (No. 2–D) at temperatures above 20 F (–7 C) and winter grade diesel fuel (No.
Check Before Operating Draining Water from the Fuel Filter/Water Separator Check the Engine Oil Level 1. Park the machine on a level surface, disengage the power take off (PTO), set the parking brake, lower the attachment lift, and turn the ignition key to “STOP” to stop the engine. Remove the ignition key. 2. Open the hood. 3. Clean around the oil dipstick (Fig. 5) so dirt cannot fall into the dipstick hole and damage the engine. 4. Pull out the oil dipstick and wipe the metal end clean (Fig. 6).
Check Before Operating Check the Cooling System 2 Check Radiator Coolant The cooling system is filled with a 50/50 solution of water and permanent ethylene glycol anti–freeze. Check the level of coolant at the beginning of each day before starting the engine. 1 POTENTIAL HAZARD • Coolant is hot and pressurized. m–3741 WHAT CAN HAPPEN • Discharge of hot pressurized coolant can cause severe burns. Figure 5 1. Dipstick 2.
Check Before Operating 1 ÎÎÎ ÎÎÎ ÎÎÎ 1 3 m–3412 Figure 8 Arrows show air intake and exhaust path 2 4 m–3764 1. Air intake screens (1 of 3 shown) Figure 7 1. Reserve tank cap 2. Reserve tank 3. Maximum level line (cold) 4. Minimum level line (cold) 4. If coolant is low, remove the reserve tank cap and add a 50/50 mixture of water and permanent ethylene glycol anti–freeze. DO NOT OVERFILL. 5. Install the reserve tank cap.
Check Before Operating IMPORTANT: It is preferable to blow dirt out (Fig. 10), rather than washing it out. If water is used, keep it away from electrical items. Check the Safety Interlock System Always check the interlock system before operating the tractor. Instructions for checking the interlock system are found in the Operation section, page 18. Check the Brake Refer to Checking and Adjusting the Brake, page 37. m–3615 Figure 10 IMPORTANT: DO NOT HIGH–PRESSURE WASH.
Operation Think Safety First “Key Choice” Switch Please carefully read all the safety instructions on pages 2–10. Knowing this information could help you, your family, pets or bystanders avoid injury. A turn and release switch used for deactivating the “Operating–In–Reverse” interlock feature. Located on the seat bracket in front of and just below the seat (Fig. 13). Controls Become familiar with all the controls (Fig. 12) before you start the engine and operate the machine.
Operation Releasing the Parking Brake 1. Push down on the brake pedal (Fig. 12). The parking brake lever should release. 2. Release the brake pedal. 8. Starting in Cold Weather (Below 20 F or –7 C) Note: Starting and Stopping the Engine Starting in Normal Weather 1. Sit down on the seat. 2. Depress the brake pedal. Note: Move the throttle to the SLOW position (if in FAST) and let the engine warm up a few minutes before applying load. 1.
Operation IMPORTANT: For best performance, always use full throttle when the power take off (PTO) switch is ON. 2 1 3 3. 4 Pull the power take off (PTO) switch to ON (Fig. 16). 2 1 m–3312 Figure 15 1. Stop 2. Run with lights 3. Run (and glow plug) 4. Start Stopping m–3264 1. Move the throttle lever to SLOW (Fig. 14). 2. Allow the engine to run for a short time to cool down. 3. Turn the ignition key to STOP (Fig. 15). Disengaging the Power Take Off (PTO) 4.
Operation The Safety Interlock System Understanding the Safety Interlock System The safety interlock system is designed to prevent the engine from starting unless: • You are sitting on the seat • The brake pedal is depressed • The power take off (PTO) is OFF The safety interlock system is designed to stop the engine if: • You rise from the seat when the brake pedal is released • You rise from the seat when the power take off (PTO) is “ON”.
Operation 1 POTENTIAL HAZARD • A child or bystander could be backed over by a riding mower with its blade(s) engaged. WHAT CAN HAPPEN • Blade contact will cause serious personal injury or death. HOW TO AVOID THE HAZARD • Do not mow in reverse unless absolutely necessary. • Always look backward and down before backing up. • Use “Key Choice” key only if you are certain no children or other bystanders will appear in the mowing area.
Operation 5. Fully depress the brake pedal, set the parking brake, push the PTO switch to OFF and start the engine. Pull the PTO switch to ON. Rise slightly from the seat; the engine should stop. 6. With the parking brake released, turn the ignition key to RUN without starting the engine. Pull the PTO switch to ON. You should hear an audible click indicating the PTO is activated and the PTO light will illuminate. Move the foot pedal to reverse.
Operation Operating–in–Reverse Warning Light Engine Coolant Temperature Gauge The operating–in–reverse warning light will illuminate whenever the key choice switch is used to deactivate the operating–in–reverse interlock. It is a reminder that the interlock system is deactivated. The light goes out whenever the power take off (PTO) is disengaged or the engine is shut off. When the light is on, look behind and use extra caution when backing. Be especially watchful for children and pets.
Operation Driving Forward or Backward 1. Place the throttle control in the FAST position for best performance. (The throttle control regulates engine revolutions per minute.) 4. Place your foot on the traction control pedal and slowly press on the top of the pedal to move forward, or on the bottom of the pedal to move backward (Fig. 20). The farther you move the pedal in either direction, the faster the machine will move in that direction. 5.
Operation 1 POTENTIAL HAZARD • Someone could move or attempt to operate the tractor while it is unattended. WHAT CAN HAPPEN • Children or bystanders may be injured if they use the tractor. HOW TO AVOID THE HAZARD • Always remove both the ignition and “Key Choice” keys and set the parking brake when leaving the machine unattended, even if just for a few minutes. m–3258 Figure 21 1.
Operation Lowering Attachments 1. Start the tractor. 2. Push the lift lever DOWN to lower the attachment (Fig. 22). 1 1 m–3320 Figure 23 2 1. Adjustment lever Headlights and Taillights Figure 22 1. Lift lever–Up 2. Lift lever–Down Positioning the Seat The headlights and taillights are turned on by turning the ignition key to the LIGHTS position. They can be turned on even if the engine is not running.
Operation Positioning the Tilt Steering Wheel 1 The steering wheel has four tilt locations. Position the steering wheel where you have the best control of the machine and are most comfortable. 1. Lift the tilt lever to release the lock (Fig. 25). 2. Move the steering wheel to a comfortable position; then release the lever to lock it in place. m–3313 Figure 26 1. Cruise control 2 1 Engaging the Cruise Control 1. Begin driving the tractor; refer to Driving Forward or Backward, page 25.
Operation 3. For quick stops, just press the brake pedal. This automatically disengages the cruise control and applies the brake at the same time. POTENTIAL HAZARD • Excessive speed when turning can result in rollover accidents. IMPORTANT: If you accidentally press the cruise control while the engine is running and you are not moving, the machine will subsequently operate at partial speed in forward and will not operate in reverse.
Maintenance Service Interval Chart Service Operation Each Use 5 Hours 25 Hours 50 Hours 100 Hours 200 Hours Storage Service Engine Oil—check level X X Engine Coolant—check level X X Radiator Screen—check for debris* X X Brake—check X X Safety System—check X X (3) Air Intake Screens—clean* X X Engine Area—clean* X X Rear Transaxle Cover—clean* X X Fuel Filter—drain water X X Engine Oil—change Initial Engine Oil Filter—change Initial X X X X Tires—check pressure X X
Maintenance POTENTIAL HAZARD • If you leave the key in the ignition switch, someone could start the engine. WHAT CAN HAPPEN • Accidental starting of the engine could seriously injure you or other bystanders. HOW TO AVOID THE HAZARD • Set the parking brake and remove the key from the ignition switch before you do any maintenance. Air Cleaner Service Interval/Specification Clean the air filter cartridge after every 25 operating hours.
Maintenance Engine Oil Service Interval/Specification POTENTIAL HAZARD • Components under the hood will be hot if the tractor has been running. Change oil: • After the first 50 operating hours. • After every 100 operating hours. WHAT CAN HAPPEN • Touching hot components can cause burns. HOW TO AVOID THE HAZARD • Allow the tractor to cool before performing maintenance or touching components under the hood. Oil Type: High–quality detergent oil classified “API Service CD” or higher for diesel engines.
Maintenance Changing the Engine Oil Filter Service Interval/Specification Replace the oil filter after the initial 50 hours of operation and then after every 200 hours. 1. Drain the oil from the engine; refer to Changing/Draining Oil, page 32. 2. Place a drip pan beneath the oil drip tray to receive oil from the oil filter and oil passages in the engine. 3. Turn the filter counterclockwise to remove it. Figure 29 1. Oil filler cap 7. Replace the filler cap. 8.
Maintenance Changing the Engine Coolant POTENTIAL HAZARD • Coolant is hot and pressurized. 3. Open both coolant drain valves at the bottom of the radiator and allow coolant to flow into a drain pan. When coolant stops flowing, close the drain valves and dispose of the coolant properly. 4. Slowly fill the radiator with a 50/50 mixture of water and permanent ethylene glycol anti–freeze. Fill the radiator completely. Install the radiator cap.
Maintenance Greasing and Lubrication 3. Service Interval/Specification Open the drive shaft maintenance cover on the tractor tunnel near the seat by unscrewing the two screws securing it, then raising it (Fig. 32). Grease the machine after every 50 operating hours or yearly, whichever occurs first. Grease more frequently when operating conditions are extremely dusty or sandy. Grease Type: General-purpose grease. How to Grease 1. 2.
Maintenance 4. Tire Pressure Lubricate the three grease fittings (Fig. 33). Service Interval/Specification Maintain the air pressure in the front and rear tires as specified. Check the pressure at the valve stem after every 25 operating hours or monthly, whichever occurs first (Fig. 35). Check the tires when they are cold to get the most accurate pressure reading. Pressure: 20 psi (138 kPa) front and rear m–4224 Figure 33 5. Replace and secure the cover. 6.
Maintenance Brake 4. Turn the brake adjustment nut (Fig. 37) until there is 2” (51 mm) of free travel. Always set the parking brake when you stop the machine or leave it unattended. Check the brake before each use. If the parking brake does not hold securely, an adjustment is required. 1 Checking the Brake 1. Park the machine on a level surface, disengage the power take off (PTO), put the High–Low range lever in “N,” set the parking brake, and turn the ignition key to “STOP” to stop the engine.
Maintenance Fuel Tank Draining the Fuel Tank POTENTIAL HAZARD • In certain conditions fuel is extremely flammable and highly explosive. WHAT CAN HAPPEN • A fire or explosion from fuel can burn you, others, and cause property damage. 1 m–3263 Figure 38 1. Fuel shut-off valve HOW TO AVOID THE HAZARD • Drain fuel from the fuel tank when the engine is cold. Do this outdoors in an open area. Wipe up any fuel that spills. • Never drain fuel near an open flame or where fuel fumes may be ignited by a spark.
Maintenance 5. Install the fuel line onto the fuel shut-off valve. Slide the hose clamp close to the valve to secure the fuel line (Fig. 39). The fuel shut–off valve should normally be left open, except for service on the fuel system or when the tractor is transported on a trailer. Fuel Filter Service Interval/Specification Replace the fuel filter after every 200 operating hours. Figure 40 1. Fuel filter drain valve 2. Fuel filter canister Replacing the Fuel Filter 1.
Maintenance Front Wheel Toe-In Service Interval/Specification Maintaining correct front wheel toe–in is important for safety, Smart Turnt Steering operation and ease of use. If uneven tire wear, lawn scuffing or hard steering develop, adjustment may be required. Check the toe-in after every 100 operating hours or once a year, whichever occurs first (Fig. 41). 2 Maintain the following specification: 1/8–1/4 inch (3.5–6.5 mm) toe-in on the front wheels. 2 1 1 m–3397 Figure 42 1. Jam nut 2.
Maintenance Transaxle Fluid 7. Service Interval/Specification If the oil level is low, slowly pour only enough SAE 10W–30 detergent oil into the filler tube to raise the level to the FULL line. IMPORTANT: Do not fill above the FULL line as fluid may overflow. Check the fluid level before every use. Always keep the fluid level in the correct operating range on the dipstick when the transaxle is cold. 2 Fluid Type: SAE 10W–30 Detergent oil (API service SG, SH or above) 1 Checking the Fluid Level 1.
Maintenance Park the machine on a level surface to assure the oil drains completely. Then turn off the power take off (PTO), set the parking brake, lower the attachment lift, and turn the ignition key to “STOP” to stop the engine. Remove the ignition key. Changing the Transaxle Filter 3. Place a pan below the transaxle drain. Open the drain by removing the plug (Fig. 46). 1. Drain the oil from the transaxle; refer to Changing/Draining Transaxle Fluid, page 41. 4.
Maintenance Fuses 5 5 Service Interval/Specification 1 3 The electrical system is protected by fuses. They require no maintenance. However, if a fuse blows, check the component and circuit for a malfunction or short. To replace a fuse, pull it out of the fuse box (Fig. 48). 4 2 4 Figure 49 1 4. Slots 5. Terminals 1. Bulb holder 2. Reflector 3. Tabs 2 3 4 m–3316 Figure 48 1. F1; main–30 amp 2. F2; glow plug timer and start circuits–15 amp 3. F3; dash, interlock, and cruise control–10 amp 4.
Maintenance Taillights Battery Bulb: GE 194 Service Interval/Specification Removing the Bulb 1. Disengage the power take off (PTO), set the parking brake, lower the attachment lift, and turn the ignition key to “STOP” to stop the engine. Remove the ignition key. 2. Remove the two screws. 3. Pull the lens out far enough so that you can remove the bulb socket. 4. Pull the bulb from the socket. Battery size: 12 v, 495 Cold Cranking Amps at 0 F. Group size 45.
Maintenance 5. If the fluid level is correct, press the cell cover onto the battery. Removing the Battery 1. Disengage the power take off (PTO), set the parking brake, lower the attachment lift, and turn the ignition key to “STOP” to stop the engine. Remove the ignition key. 2. Open the hood. 3. Remove the battery hold–down brackets (Fig. 53). IMPORTANT: Always disconnect the negative (black) cable first. 1 4. Disconnect the negative (black) ground cable from the battery post (Fig. 53). 5.
Maintenance 2 1 POTENTIAL HAZARD • Either the battery terminals or metal tools could short against metal tractor components. • Incorrect battery cable routing could damage the cables. WHAT CAN HAPPEN • Sparks can cause the battery gasses to explode. • Damaged cables could short against metal tractor components and cause sparks. HOW TO AVOID THE HAZARD • When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the tractor.
Maintenance 1. Remove the battery from the chassis; refer to Removing the Battery, page 45. 2. Check the electrolyte level; refer to Checking the Electrolyte Level, page 44, steps 2–4. 3. Remove the cell cover from the battery and connect a 3– to 4–amp battery charger to the battery posts. Charge the battery at a rate of 4 amperes or less for 4 hours (12 volts). Do not overcharge the battery. Install the cell cover after the battery is fully charged.
Maintenance Wiring Diagram HEADLIGHT HARNESS DIESEL REAR HARNESS TAIL LIGHTS OR A OR BK B BK PK CRUISE SWITCH SW8 3 6 PK C 2 Y E Y 5 BN D BN (MOMENTARY) CRUISE SWITCH OPERATION OFF NO CONNECTION ON 3 AND 2 CONNECTED MOMENTARY 3 AND 2 CONNECTED 4 6 D2 1 OR OR PK SW7 Y VIO (CRUISE DISENGAGE SWITCH) SWITCH OPENS WHEN BRAKE IS DEPRESSED W CRUISE MAGNET GY BN VIO 4 5 WARNING LIGHT HARNESS BK PK PTO BATTERY BK BK BK PK A VIO D W J W W OR K OR OR GY F GY Y G Y
Maintenance Wiring Diagram SW4 (IGNITION SWITCH) OFF-----------NO CONNECTION WIRE COLOR CODES RUN/LIGHTS----------B I R L RUN---------------B I R START--------------B I R S L 4 I 3 S 1 R 2 OR PK BU S B B L R I 5 IGNITION SWITCH TERMINAL LOCATIONS VEIWED FROM BACK.
Maintenance Cleaning and Storage 1. 2. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to “STOP” to stop the engine. Remove both the ignition and “Key Choice” keys. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine. Clean debris from the (3) air intake screens, the radiator screen, and the rear transaxle cover; refer to Check for Debris, page 16.
Troubleshooting PROBLEM The starter does not crank. The engine cranks, but will not start. POSSIBLE CAUSES CORRECTIVE ACTION 1. The PTO is ON. 1. Move the PTO to OFF. 2. The brake is not depressed or the parking brake is not on. 2. Set the parking brake. 3. The operator is not seated. 3. Sit on the seat. 4. The electrical connections are corroded or loose. 4. Check the electrical connections for good contact. 5. A fuse is blown or loose. 5. Correct or replace the fuse. 6.
PROBLEM The engine cranks, but will not start (continued). The engine starts, but does not keep running. The engine runs, but knocks or misses. 52 POSSIBLE CAUSES 9. Slow cranking speed. CORRECTIVE ACTION 9. Check the battery, oil viscosity and starting motor (contact your Authorized Service Dealer). 10. The air cleaner element is dirty. 10. Clean or replace. 11. Low compression. 11. Contact your Authorized Service Dealer. 12. The injection nozzles are faulty. 12.
PROBLEM The engine runs, but knocks or misses (continued). The engine will not idle. The engine overheats. POSSIBLE CAUSES CORRECTIVE ACTION 3. There is air in the fuel. 3. Bleed nozzles and check for air leaks at the fuel hose connections and fittings between the fuel tank and engine. 4. The injection nozzles are faulty. 4. Contact your Authorized Service Dealer. 5. Low compression 5. Contact your Authorized Service Dealer. 6. The injection pump timing is incorrect. 6.
PROBLEM The engine overheats (continued). The engine loses power. POSSIBLE CAUSES 5. The crankcase oil level is incorrect. 5. Fill or drain to the full mark. 6. Excessive loading. 6. Reduce load; use lower ground speed. 7. The thermostat is faulty. 7. Contact your Authorized Service Dealer. 8. The fan belt is loose or broken. 8. Contact your Authorized Service Dealer. 9. Incorrect fuel is in the fuel system. 9. Drain and flush the fuel system; add fresh fuel. 10.
PROBLEM Excessive black smoke from exhaust. POSSIBLE CAUSES CORRECTIVE ACTION 1. The air cleaner element is dirty. 1. Clean or replace. 2. The injection pump timing is incorrect. 2. Contact your Authorized Service Dealer. 3. Incorrect fuel is in the fuel system. 3. Drain the fuel system and refill with specified fuel. 4. The injection nozzles are faulty. 4. Contact your Authorized Service Dealer. 5. The injection pump is faulty. 5. Contact your Authorized Service Dealer.
PROBLEM The tractor will not operate in either direction. POSSIBLE CAUSES CORRECTIVE ACTION 1. The High–Low range lever is in “N.” 1. Move the High–Low range lever to “L” or “H.” 2. The transmission oil is low. 2. Fill to the full “F” mark on the transmission oil dipstick when the transmission is cold. 3. The transmission is faulty. 3. Contact your Authorized Service Dealer. 4. The control linkage needs adjustment or replacement. 4. Contact your Authorized Service Dealer. 5.
PROBLEM Abnormal vibration or noise. PTO (cutter deck) belt comes off of pulleys, slips, or fails. POSSIBLE CAUSES CORRECTIVE ACTION 1. The engine mounting bolts are loose. 1. Tighten the engine mounting bolts. 2. The idler pulley or mower deck blade is loose. 2. Tighten the appropriate pulley or blade fastener. 3. The transaxle cooling fan is loose. 3. Contact your Authorized Service Dealer. 4. There is a problem with the electric clutch. 4. Contact your Authorized Service Dealer. 1.
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