Form No. 3400-935 Rev B Z Master® Professional 5000 Series Riding Mower with 60in or 72in TURBO FORCE® Side Discharge Mower Model No. 74933—Serial No. 316000001 and Up Model No. 74934—Serial No. 316000001 and Up Register at www.Toro.com.
This spark ignition system complies with Canadian ICES-002 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 Checking the Knobs on the Rollover Protection System (ROPS) ........................... 49 Adjusting the Tracking ...................................... 50 Checking the Tire Pressure............................... 50 Checking the Wheel Lug Nuts........................... 51 Checking the Wheel Hub Slotted Nut ................ 51 Adjusting the Caster Pivot Bearing.................... 51 Using the Clutch Shim ...................................... 52 Cooling System Maintenance .......................
Safety • 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 pay attention to the safety-alert symbol , which means Caution, Warning, or Danger—personal safety instruction. Failure to comply with the instructions may result in personal injury or death. • • This machine was manufactured according to the appropriate regulatory standards in effect at the time of manufacture.
• Let the engine cool before storing and do not store • Never carry passengers on the machine. • Keep pets and bystanders away. • Slow down and use caution when making turns • • • • near flame. • Shut off the fuel while storing or transporting. Do not store fuel near flames. and crossing roads and sidewalks. Stop blades if not mowing. Be aware of the mower discharge direction and do not point it at anyone. Do not operate the mower while ill, tired, or under the influence of alcohol or drugs.
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. Example of how to compare slope with folded edge.
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 lost. decal58-6520 58-6520 1. Grease decal93-7818 93-7818 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 115-149 N∙m (85-110 ft-lb). decal107-3069 107-3069 1. Warning—there is no rollover protection when the roll bar is down. 2.
decaloemmarkt Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. decal115-7445 115-7445 1. Grease pulleys and spindles decal110-2068 110-2068 2. Maintenance interval—50 hours 1. Read the Operator's Manual. decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards in place. decal116-5988 116-5988 1. Parking brake—engaged 2. Parking brake—disengaged decal114-4466 114-4466 1. Main, 25 A 3. Charge, 25 A 2. PTO, 10 A 4.
decal116-4858 116-4858 decal117-3848 117-3848 1. Thrown-object hazard—keep bystanders a safe distance from the machine. 2. Thrown-object hazard, mower—do not operate the machine without deflector, discharge cover, or grass-collection system in place. decal116-8726 116-8726 3. Cutting/dismemberment of hand or foot—stay away from moving parts; keep all guards and shields in place. 1. Read the Operator’s Manual for recommended hydro fluid. decal121-7586 121–7586 1. Fast 2. Variable-speed control 3.
decal126-3275 126-3275 1. Danger - LPG fuel is extremely flammable and vapors are explosive. 2. Read the Operator’s manual. Consult NFPA 58: Liquefied Petroleum Gas Code for additional safety information. decal127-0326 127-0326 3. Do not smoke or replace tank(s) around sources of fuel ignition. 1. Read the Operator's Manual. 4. Do not attempt to repair or modify the tank or its components. Contact trained and qualified person. Use only LPG tank(s) approved by the LPG System manufacturer. 5.
decal126-3277 126-3277 1. IMPORTANT: Use only replacement tank(s) that are free of dents or damage. Match size and type required on tank specification decal. 7. Remove the empty tank(s). Check the valve and fittings for debris or damaged O-rings. 2. Stop the machine on a level surface, disengage the PTO, and engage the parking brake. 8. Install full replacement tank(s) by aligning the center hole on the tank collar over the mounting tab/index pin. 3.
decal125-9383 125–9383 1. Check the 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.
Controls Product Overview Become familiar with all the controls before you start the engine and operate the machine (Figure 4 and Figure 5). g013112 Figure 5 g027420 Figure 4 1. Height-of-cut deck lift pedal 6. LPG-fuel tank 2. Transport lock 7. Roll bar 3. Parking-brake lever 8. Motion-control levers 4. Controls 5. Seat belt 1. PTO switch 4. Hour meter/safety-interlock display 2. Throttle control 5. Ignition switch 3. Malfunction-indicator light (MIL) 6.
Hour Meter Motion-Control Levers 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 5). The motion-control levers are used to drive the machine forward, reverse, and turn either direction. Neutral-Lock Position Fuel Gauge Located on the LPG-fuel tank. The NEUTRAL-LOCK position is used with the safety-interlock system to engage and to determine NEUTRAL position.
Specifications and prevent the engine from operating. This may also result in permanent fuel-system damage and the release of highly-flammable-propane liquid or vapor. Note: Specifications and design are subject to change without notice. Width 60-inch Deck 72-inch Deck Without Deck 134.6 cm (53.0 inches) 150.1 cm (59.1 inches) Deflector Up 156.8 cm (61.7 inches) 187 cm (73.6 inches) Deflector Down 192.2 cm (75.7 inches) 222.4 cm (87.6 inches) 60-inch Deck 72-inch Deck Roll Bar - Up 211.
Operation DANGER LPG vapors and liquid escaping from the tank may cause serious injury or death. Vapors or liquid may cause suffocation, freezing of tissue, or frostbite. Note: Determine the left and right sides of the machine from the normal operating position. Adding Fuel • Store and service the mower in a well-ventilated area. LPG (liquefied-petroleum gas) is more commonly called propane. LPG is a liquid fuel that is stored in a tank under pressure.
DANGER DANGER LPG fuel is extremely flammable and vapors are explosive. LPG fuel is extremely flammable and vapors are explosive. A fire or explosion from LPG fuel can burn you, others, and cause property damage. • In case of fire, take the following steps: 1. If you can safely do so, stop the flow of gas as quickly as possible. Never put out the flame unless you can shut off the gas. • Never smoke around fuel tank(s) and stay away from an open flame or where fumes may be ignited by a spark.
g021393 Figure 8 1. Cylinder brackets g021497 2. Mounting pin Figure 7 1. LPG fuel hose connection fitting 3. Fuel gauge 2. Tank valve 4. Safety pressure relief valve 7. 3. Center hole Important: The valves and gauges may not function properly if the LPG tank is not installed correctly. Unlatch the cylinder brackets and remove the tank. WARNING Fuel system components are under high pressure.
Using the Rollover-Protection System (ROPS) 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. • Check carefully for overhead clearances (i.e., branches, doorways, electrical wires) before driving under any objects, and do not contact them.
Think Safety First Please read all safety instructions and symbols in the safety section. Knowing this information could help you or bystanders avoid injury. DANGER Operating the machine on wet grass or steep slopes can cause sliding and loss of control. • Do not operate on slopes greater than 15 degrees. • Reduce speed and use extreme caution on slopes. g000963 Figure 10 • Do not operate the machine near water. 1. Safe zone—use the machine here on slopes less than 15 degrees or flat areas. 2.
Setting the Parking Brake WARNING The parking brake may not hold a machine parked on a slope and could cause personal injury or property damage. Do not park the machine on slopes unless the wheels are chocked or blocked. g008946 Figure 14 Operating the Ignition Switch 1. Turn the ignition key to the START position (Figure 15). g027334 Figure 12 Releasing the Parking Brake g008947 Figure 15 2. When the engines starts, release the key.
3. 4. 5. 6. 7. Shutting Off the Engine quickly, the pressure relief valve is equipped with a back pressure check valve that will shut off the fuel supply. If this happens, close the fuel valve completely and wait 5 seconds. Move the motion controls to NEUTRAL-LOCK position (Figure 16). Set the parking brake; refer to Setting the Parking Brake (page 22). Move the blade-control switch (PTO) to the OFF position (Figure 16).
Testing the Safety-Interlock System Using the Safety-Interlock System Service Interval: Before each use or daily CAUTION 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. If the safety-interlock switches are disconnected or damaged, the machine could operate unexpectedly, causing personal injury. 1.
Driving Forward or Backward Driving Forward Note: The engine will shut off when you move the traction-control levers with the parking brake engaged. The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Place the throttle control in the FAST position for best performance. Always operate in the FULL-THROTTLE position when mowing. To stop the machine, pull the motion-control levers to the NEUTRAL position. CAUTION Machine can spin very rapidly.
Driving Backward Adjusting the Height-of-Cut 1. Move the levers to the center, unlocked position. 2. To go backward, slowly pull the motion-control levers rearward (Figure 21). Using the Transport Lock 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. You use the transport lock with the deck-lift pedal (Figure 22).
Adjusting the Height-of-Cut Pin Adjusting the Anti-Scalp Rollers You can adjust the height of cut to from 25 to 140 mm (1 to 5-1/2 inches) in 6 mm (1/4 inch) increments by locating the clevis pin into different hole locations. 1. Move the transport lock to the lock position. 2. Push on the deck-lift pedal with your foot, and raise the mower deck to the transport position (also the 140 mm (5-1/2 inches) cutting-height position) as shown in Figure 23. 3.
g027727 Figure 27 g000944 Figure 26 1. Anti-scalp roller 4. Flange nut 2. Spacer 5. Bolt Positioning the Flow Baffle 3. Bushing The following figures are only recommendations for use. Adjustments will vary by grass type, moisture content, and the height of the grass. Adjusting the Flow Baffle Cam Locks Note: If the engine power draws down and the mower ground speed is the same, open up the baffle. This procedure is applicable only to machines with the flow-baffle locks.
Position B Positioning the Seat Use this position when bagging. Always align it with the blower opening. The seat moves forward and backward. Position the seat where you have the best control of the machine and are most comfortable. To adjust, move the lever sideways to unlock the seat (Figure 31). g019754 Figure 31 g005833 Figure 29 Unlatching the Seat Position C This is the full-open position.
Using the Drive-Wheel-Release Valves Changing the Seat Suspension The seat adjusts to provide a smooth and comfortable ride. Position the seat where you are most comfortable. WARNING To adjust, turn the knob in front either direction to provide the best comfort (Figure 33). Hands may become entangled in the rotating drive components below the engine deck, which could result in serious injury.
Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. Ensure that the trailer or truck has all necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you, your family, pets, or bystanders avoid injury.
WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death. • Use extreme caution when operating a machine on a ramp. • Ensure that the ROPS is in the up position and use the seat belt when loading or unloading the machine. Ensure that the ROPS will clear the top of an enclosed trailer. • Use only a full-width ramp; do not use individual ramps for each side of the machine.
g027996 Figure 37 1. Full-width ramp in stowed position 2. Side view of full-width ramp in loading position 3. Not greater than 15 degrees 4. Ramp is at least 4 times as long as the height of the trailer or truck bed to the ground 5. H= height of the trailer or truck bed to the ground 6.
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.
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.
Important: Refer to your engine operator's manual for additional maintenance procedures. CAUTION If you leave the key in the ignition switch, someone could start the engine and seriously injure you or other bystanders. Remove the key from the ignition before you do any maintenance. Lubrication Greasing the Mower Greasing and Lubrication Service Interval: Every 50 hours—Grease the mower deck spindles and idler arm. Yearly—Grease the pump-belt-idler arm.
Lubricating the Caster Wheel Hubs Service Interval: Yearly 1. Shut off the engine, wait for all moving parts to stop, and remove the key. Engage the parking brake. g009030 Figure 40 g006115 6. Figure 42 Remove the dust cap and adjust the caster pivots. Keep the dust cap off until greasing is done. Refer to Adjusting the Caster Pivot Bearing (page 51). 1. Seal guard 2. Spacer nut with wrench flats 7. Remove the hex plug. Thread a grease fitting into the hole. 2.
11. With the open end of the wheel facing up, fill the area inside the wheel around the axle full of general-purpose grease. 12. Insert the second bearing and new seal into the wheel. 13. 14. 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.
6. Important: Never attempt to clean the safety Release the latches on the air cleaner and pull the air-cleaner cover off the air-cleaner body (Figure 44). 7. Clean the inside of the air-cleaner cover with compressed air. 8. Gently slide the primary filter out of the air-cleaner body (Figure 44). filter. If the safety filter is dirty, then the primary filter is damaged. Replace both filters.
Note: Check the oil when the engine is cold. WARNING Contact with hot surfaces may cause personal injury. Keep hands, feet, face, clothing, and other body parts away from the muffler and other hot surfaces. g021395 Important: Do not overfill the crankcase with oil because damage to the engine may result. Do not run engine with oil below the low mark because the engine may be damaged. 1. Disengage the PTO, move the motion-control levers to the NEUTRAL-LOCK position, and set the parking brake. 2.
Changing the Engine Oil 5. Service Interval: After the first 8 hours Every 100 hours more often in dirty or dusty conditions. 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). Note: Dispose of the used oil at a recycling center. 1. Park the machine so that the rear is slightly lower than the front to ensure that the oil drains completely. 2.
Servicing the Spark Plug Service Interval: Every 100 hours 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(s) and a gapping tool/feeler gauge to check and adjust the air gap. Install a new spark plug(s) if necessary. g021395 Type:Champion® XC12YC or equivalent Air Gap: 0.75 mm (0.030 inch) Removing the Spark Plug 1.
Checking the Spark Plug Important: Never clean the spark plug(s). Always replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, or cracks. If you see light brown or gray on the insulator, the engine is operating properly. A black coating on the insulator usually means the air cleaner is dirty. g021397 Set the gap to 0.76 mm (0.030 inches). g027479 Figure 52 g009919 Figure 50 1. Pull this tab out to the side in the direction of the arrow. 2.
Installing the Spark Plug Fuel System Maintenance Tighten the spark plug(s) to 22 N∙m (16 ft.-lb). Inspecting the LPG System Service Interval: Before each use or daily—Check the LPG tank and components. Every 40 hours—Check the LPG hoses, regulator and connections. It is very important to check the LPG tank and components for wear or leaks. Important: Never check for leaks using an open flame. Important: Never use bare hands when checking the fitting or valve.
distributor, or a thick non-ammonia soapy water solution (50% non-ammonia soap and 50% water). (A leak detector solution that contains ammonia will cause the fittings to corrode and leak.) Once the MIL illuminates, initial trouble shooting checks should be made. Refer to the MIL section in Troubleshooting (page 70). If these checks do not correct the problem, further diagnosis and servicing by an Authorized Service Dealer is necessary.
Electrical System Maintenance 3. First disconnect the negative battery cable (black) from the negative (-)(black) battery terminal (Figure 54). 4. Slide the red terminal boot off the positive (red) battery terminal and remove the positive (+)(red) battery cable (Figure 54). 5. Remove the wing nut securing the battery clamp (Figure 54). 6. Remove the clamp (Figure 54). 7. Remove the battery.
5. Slide the red terminal boot onto the positive (red) battery post. Servicing the Fuses 6. Install the clamp and secure it with the wing nut (Figure 54). 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. Charging the Battery WARNING Charging the battery produces gasses that can explode. 1. The fuses are located on right console next to the seat (Figure 56). 2.
DANGER Jump-starting a weak battery that is cracked or frozen, or has a low electrolyte level or an open/shorted battery cell can cause an explosion resulting in serious personal injury. Do not jump-start a weak battery if these conditions exist. 2. Ensure that the booster battery is a good and fully charged lead-acid battery at 12.6 V or greater. g012785 Figure 57 Note: Use properly sized jumper cables with short lengths to reduce voltage drop between systems.
7. Drive System Maintenance Start the vehicle and remove the cables in the reverse order of connection (the engine block (black) connection is the first to disconnect). Checking the Seat Belt Service Interval: Before each use or daily Visually inspect seat belt for wear, cuts, and proper operation of retractor and buckle. Replace before operating if damaged.
8. Tighten the stop plate (Figure 61). g027424 Figure 61 Left control lever shown g021420 Figure 60 1. Control lever 1. ROPS knob (locked position) 3. Stop plate 2. Bolt 2. Pull ROPS knob out and rotate 90 degrees to change roll bar position 3. Roll bar in the upright position Checking the Tire Pressure 4. Roll bar in the folded position Service Interval: Every 50 hours/Monthly (whichever comes first) Adjusting the Tracking 1. Disengage the blade-control switch (PTO). 2.
g001055 Figure 62 Checking the Wheel Lug Nuts Check and torque the wheel lug nuts to 122-129 N-m (90-95 ft-lb). g027425 Figure 63 1. Slotted nut Checking the Wheel Hub Slotted Nut Adjusting the Caster Pivot Bearing Service Interval: After the first 100 hours Every 500 hours Service Interval: Every 500 hours/Yearly (whichever comes first) Check and ensure that the torque of the slotted nut is 286 to 352 N∙m (211 to 260 ft-lb). Note: Do not use anti-seize compound on the wheel 1.
Removing the Clutch Shim 1. Shut off the engine, wait for all moving parts to stop, and remove the key. 2. Engage the parking brake and allow the machine to cool down completely. 3. Using an air compressor, blow out any debris from under the brake pole and around the brake spacers. g001297 Figure 64 1. Spring washers 3. Dust cap 2. Locknut g010868 Figure 66 Using the Clutch Shim Some later model year units have clutches that contain a brake shim.
Note: Do not discard the shim until the clutch is functioning properly. • If the gap is less than 0.010 inch, then install the shim and refer to Troubleshooting (page 70). • 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. Ensure the blades do not engage with the PTO switch in the off position and the clutch disengaged.
Cleaning the Engine Cooling Fins and Shrouds Cooling System Maintenance Service Interval: Every 100 hours/Yearly (whichever comes first) Cleaning the Engine Screen and Engine Oil Cooler 1. Disengage the PTO and set 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 cooling shrouds and fan housing. 4. Clean the debris and grass from the engine parts. 5.
Brake Maintenance Check and Clean the Hydraulic Unit Shrouds Adjusting the Parking Brake Service Interval: Before each use or daily 1. Disengage the PTO and set the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Service Interval: After the first 100 hours 3. Raise the seat. 4. Clean the debris and grass from the hydraulic-unit shrouds (Figure 73).
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 are signs of a worn mower belt. Replace the mower belt if any of these conditions are evident. Replacing the Mower Belt g026961 Figure 74 Left Side Shown 1. L-bracket 4. Rear-linkage assembly 2. Linkage stop 5. Caliper 3. Gap 6.
g027730 Figure 77 1. Position the belt cover 3. Ensure the tab is under the metal catch 2. Slide belt cover under the side catches g009038 Replacing the Hydraulic Pump Drive Belt Figure 76 1. Clutch pulley 2. Mower belt 5. Square hole in the idler arm for the ratchet 6. Idler grease zerk 3. Spring-loaded idler pulley 7. Belt guide 4. Ratchet 1. Disengage the PTO and set the parking brake. 2.
Controls System Maintenance Adjusting the Control Handle Position There are two height positions for the control levers; high and low. Remove the bolts to adjust the height for the operator. 1. Disengage the PTO, move the motion-control levers to the NEUTRAL-LOCK position, and set 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. Loosen the bolts and flange nuts installed in the levers (Figure 79). 4.
5. Start the engine. Note: The brake must be engaged and the motion-control levers must be out to start the engine. You do not need to be in the seat because of the jumper wire being used. Run the engine at FULL throttle and release the brake. 6. Run the machine at least 5 minutes with the motion-control levers at full FORWARD speed to bring the hydraulic fluid up to operating temperature. Note: The motion-control lever needs to be in NEUTRAL while making any necessary adjustments. 7.
11. Remove the jack stands. 12. Raise the deck and install the height-of-cut pin. 13. Adjusting the Motion-Control Neutral-Lock Pivot Check that the machine does not creep in with the park brakes disengaged. NEUTRAL You can adjust the flanged nut to obtain a more desired motion-control lever resistance when moving it to the NEUTRAL-LOCK position. See Figure 83 for adjustment options.
Hydraulic System Maintenance Servicing the Hydraulic System Hydraulic Fluid Type: Toro® HYPR-OIL™ 500 hydraulic fluid or Mobil® 1 15W-50. Important: Use the fluid specified. Other fluids could cause system damage. Each Hydraulic System Fluid Capacity: 52 L (52 fl oz) per side with filter change Checking the Hydraulic Fluid Service Interval: Every 50 hours—Check the hydraulic-fluid level. 1. Position the machine on a level surface. 2.
Replacing the Hydraulic Filters and Hydraulic Fluid Service Interval: After the first 250 hours—Change the hydraulic filters and hydraulic fluid when using any type of fluid. Every 250 hours—Change the hydraulic filters and hydraulic fluid when using Mobil® 1 fluid (more often in dirty or dusty conditions). Every 500 hours—Change the hydraulic filters and hydraulic fluid when using Toro® HYPR-OIL™ 500 hydraulic fluid (more often in dirty or dusty conditions).
Mower Deck Maintenance Leveling the Mower Deck Setting Up the Machine Note: Ensure that the mower deck is leveled before matching the height-of-cut (HOC). 1. Position mower on a flat surface. 2. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position and set the parking brake. 3. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 4. Check tire pressure of the drive tires.
10. If needed, loosen the whizlock nut on the side of the yoke and the jam nut on top. Fine tune the screw adjuster by turning it to get 76 mm (3 inch) height (see Figure 89). 13. Turn the adjuster screw clockwise to increase the height, or counterclockwise to decrease the height. If the deck is too low, tighten the single point adjustment bolt by rotating it clockwise. If the deck is too high, loosen the single point adjustment bolt by rotating it counterclockwise (Figure 91).
Checking for Bent Blades shredding the grass blades. Tearing and shredding turns grass brown at the edges, which slows growth and increases the chance of disease. Check the cutter blades daily for sharpness, and for any wear or damage. File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade. For convenient sharpening and replacement, you may want to keep extra blades on hand. 1.
Removing the Blades Blades must be replaced if a solid object is hit, if the blade is out of balance or is bent. To ensure optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards. g000276 Figure 95 1. Hold the blade end using a rag or thickly-padded glove. 1. Sharpen at original angle 2.
g004536 Figure 97 1. Sail area of the blade 2. Blade 3. Spring disk 3. 4. Blade bolt 5. Cone toward bolt head Torque the blade bolt to 115 to 150 N∙m (85 to 110 ft-lb). g009038 Figure 98 1. Clutch pulley Removing the Mower Deck Before servicing or removing the mower deck, the spring loaded deck arms must be locked out. 2. Mower belt 5. Square hole in the idler arm for the ratchet 6. Idler grease zerk 3. Spring-loaded idler pulley 7. Belt guide 4. Ratchet WARNING 7.
8. Cleaning Raise the deck struts and secure them in the up position. Slide the deck out to the right side of the machine. Cleaning the Mower Deck Replacing the Grass Deflector 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 set 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.
Storage switch and keep it out of reach of children or other unauthorized users. Cover the machine to protect it and keep it clean. Cleaning and Storing the Machine 1. Disengage the power-take off blade-control switch (PTO), set the parking brake, and turn the ignition key to the OFF position, and remove the key. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine (especially the engine and hydraulic system).
Troubleshooting Problem Malfunction indicator light (MIL) comes on. Possible Cause 1. The engine is too hot. 1. Shut off the engine and let it cool. 2. Faulty valve in fuel tank. 3. The air cleaner is dirty. 2. Contact an Authorized Service Dealer. 3. Ensure that the air cleaner and precleaner are clean. Replace if necessary. 4. Charge or replace the battery. 5. Contact an Authorized Service Dealer. 4. The battery is not charged. 5.
Problem The mower pulls left or right (with levers fully forward) The machine does not drive. There is abnormal vibration. Mowing is resulting in uneven cutting height. Possible Cause 1. The tracking needs adjustment 1. Adjust the tracking. 2. The tire pressure in drive tires is not correct. 2. Adjust tire pressure in the drive tires. 1. The by pass valves are not closed tight. 1. Tighten the by pass valves. 2. 3. 4. 5. 2. 3. 4. 5. The pump belt is worn, loose or broken.
Schematics g021490 Wire Diagram (Rev.
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The Toro Warranty A Two-Year Limited Warranty Conditions and Products Covered The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly warrant your Toro Commercial product (“Product”) to be free from defects in materials or workmanship for two years or 1500 operational hours*, whichever occurs first. This warranty is applicable to all products with the exception of Aerators (refer to separate warranty statements for these products).
