Form No. 3400-941 Rev B Z Master® Professional 5000 Series Riding Mower with 60in and 72in TURBO FORCE® Rear Discharge Mower Model No. 74942—Serial No. 315000001 and Up Model No. 74944—Serial No. 315000001 and Up Register at www.Toro.com.
and serial numbers of your product ready. Figure 1 identifies the location of the model and serial numbers on the product. Write the numbers in the space provided. WARNING CALIFORNIA Proposition 65 Warning This product contains a chemical or chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Contents Jump Starting the Machine ............................... 46 Drive System Maintenance .................................. 48 Checking the Seat Belt ..................................... 48 Checking the Rollover-Protection System (ROPS) Knobs .............................................. 48 Adjusting the Tracking ...................................... 48 Checking the Tire Pressure............................... 49 Checking the Wheel Lug Nuts...........................
Preparation Safety • Evaluate the terrain to determine what accessories 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.
Maintenance and Storage Make the necessary repairs before resuming operation. • Disengage drives, set the parking brake, shut off • Keep your hands and feet away from the cutting the engine, and remove the key or disconnect spark-plug wire. Wait for all movement to stop before adjusting, cleaning, or repairing. unit. • Look behind and down before backing up to ensure a clear path. • Park the machine on a level surface.
Service Toro Mower Safety • Do not store the machine or a fuel container inside The following list contains safety information specific to Toro products and other safety information that you must know. where there is an open flame, such as near a water heater or furnace. • Keep the nuts and bolts tight, especially the This product is capable of amputating hands and feet, and of throwing objects. Always follow all safety instructions to avoid serious injury or death. blade-attachment bolts.
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. decal99-8936 99-8936 1. Machine speed 4. Neutral 2. Fast 3. Slow 5. Reverse 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 fully raised and locked position and wear the seat belt.
decal116-1716 116-1716 decal109-6036 109-6036 1. Fuel 2. Empty 6. Hour meter 7. PTO 3. Half 8. Parking brake 4. Full 5. Battery 1. Read the Operator’s manual 9. Neutral 10. Operator-presence switch 2. Remove the ignition key and read the instructions before servicing or performing maintenance. 3. Height of cut decal112-9028 112-9028 decal116-4858 1. Warning—stay away from moving parts; keep all guards in place. 116-4858 decal114-4466 114-4466 1. Main, 25 A 3. Charge, 25 A 2. PTO, 10 A 4.
decaloemmarkt Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. decal116-5988 116-5988 1. Parking brake—engaged 2. Parking brake—disengaged decal117-0346 117-0346 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. decal116-8726 116-8726 1. Read the Operator’s Manual for recommended hydraulic fluid. decal117-3848 117-3848 1.
decal126-2055 126-2055 1. Wheel lug-nut torque 129 N∙m (95 ft-lb) (4x) 2. Wheel-hub nut torque 319 N∙m (235 ft-lb) 3. Read and understand the Operator’s manual before performing any maintenance, check torque after first 100 hours then every 500 hours thereafter. decal117-3864 117-3864 1. Read the Operator’s Manual. 2. Fill to bottom of filler neck; warning—do not overfill the tank. decal121-7586 121–7586 1. Fast 2. Variable speed control 3. Slow 4. Power takeoff (PTO) decal126-4398 126-4398 1.
decal131-4036 131-4036 1. Maximum drawbar pull 36 kg (80 lb) 2. Read the Operator's Manual. decal127-6663 127-6663 1. Warning—read the Operator's Manual. 2. Crushing hazard—1) Engage the parking brake, shut off the engine, and remove the key from the ignition; 2) Jack the machine using a manufacturer-approved jack, and always use a jackstand. decal125-9383 125–9383 1. Check the hydraulic fluid every 50 operating hours. 3. Check the tire pressure every 50 operating hours. 2.
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.
Product Overview g013112 Figure 5 1. PTO switch 4. Hour meter/Safety-interlock display/Fuel gauge 2. Throttle control 5. Ignition switch 3. Malfunction indicator light (MIL) 6. Fuses g027405 Figure 4 1. Height-of-cut 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 Hour Meter The hour meter records the number of hours the engine has operated. It operates when the engine is running.
Blade-Control Switch (PTO) The blade-control switch (PTO) is used to engage the electric clutch and drive the mower blades. Pull the switch up to engage the blades and release. To disengage the blades, push the blade-control switch (PTO) down or move a motion-control lever into the NEUTRAL-LOCK position. Ignition Switch This switch is used to start the mower engine and has 3 positions: START , RUN, and OFF. g008950 Figure 6 1. Fuel gauge (bars) 4. Safety-interlock symbols 2. Battery light 5.
Specifications Operation Note: Specifications and design are subject to Note: Determine the left and right sides of the machine from the normal operating position. change without notice. Width: 60 inch Mower Deck 72 inch Mower Deck Without Mower Deck 134.6 cm (53.0 inches) 150.1 cm (59.1 inches) With Mower Deck 168.4 cm (66.3 inches) 199.0 cm (78.3 inches) 60 inch Mower Deck 72 inch Mower Deck Roll Bar - Up 221.6 cm (87.25 inches) 221.6 cm (87.25 inches) Roll Bar - Down 226.0 cm (88.
Add the correct amount of gasoline stabilizer/conditioner to the gasoline. DANGER In certain conditions during fueling, static electricity can be released, causing a spark that can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage property. • Always place gasoline containers on the ground away from your vehicle before filling.
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. g024209 Ensure that the rear part of the seat is secured with the seat latch. 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.
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. • Do not operate the machine near water. DANGER Wheels dropping over edges can cause rollovers, which may result in serious injury, death, or drowning.
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. g000963 Figure 9 1. Safe zone—use the Z Master here on slopes less than 15 degrees or flat areas. 2. Danger zone—use a walk behind mower and/or a hand trimmer on slopes greater than 15 degrees, near drop-offs and water. 3.
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. g008945 Figure 13 Disengaging the Blade-Control Switch (PTO) g008947 Figure 16 2. g009174 Figure 14 Operating the Throttle You can move the throttle control between the FAST and SLOW positions (Figure 15).
Using the Fuel-Shutoff Valve The fuel-shutoff valve is located under the seat. Move the seat forward to access it. Close the fuel-shutoff valve for transport, maintenance, and storage. Ensure the fuel-shutoff valve is open when starting the engine. g008948 Figure 17 1. On g032328 2. Off Figure 18 Starting and Stopping the Engine Stopping the Engine CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended.
Using the Safety-Interlock System CAUTION If the safety-interlock switches are disconnected or damaged, the machine could operate unexpectedly, causing personal injury. • Do not tamper with the interlock switches. • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine. Understanding the Safety-Interlock System The safety-interlock system is designed to prevent the engine from starting unless: • The parking brake is engaged.
Testing the Safety-Interlock System CAUTION Machine can spin very rapidly. Operator may lose control of machine and cause personal injury or damage the machine. • Use caution when making turns. • Slow the machine down before making sharp turns. Service Interval: Before each use or daily Test the safety-interlock system before you use the machine each time. If the safety system does not operate as described below, have an Authorized Service Dealer repair the safety system immediately. 1.
Stopping the Machine To stop the machine, move the traction control levers to NEUTRAL and then to the NEUTRAL-LOCK position, disengage the blade-control switch (PTO), and turn the ignition key to the OFF position. Set the parking brake when you leave the machine; refer to Setting the Parking Brake (page 20). Remove the key from the ignition switch. CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended.
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 inch) cutting-height position) (Figure 25). 3. To adjust, rotate the pin 90 degrees and remove the pin from the height-of-cut bracket (Figure 25). 4. Select a hole in the height-of-cut bracket corresponding to the height of cut desired and insert the pin (Figure 25). 5. Push on the deck-lift pedal, pull back on the transport lock, and slowly lower the mower deck.
1. Disengage the blade-control switch (PTO) and set the parking brake. 2. Move the throttle lever to the SLOW position, shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the carriage bolts and nuts from each skid (Figure 28). g024242 Figure 26 1. Flange nut 3. Bushing 2. Anti-scalp roller 4. Bolt g024244 Figure 28 1. Carriage bolt 3. Nut 2. Skid 4.
g019754 Figure 29 g019768 Figure 31 Unlatching the Seat 1. Seat-suspension knob Note: Certain models have a fixed seat and cannot be rotated up. Using the Drive-Wheel Release Valves WARNING Your hands may become entangled in the rotating drive components below the engine deck, which could result in serious injury. Shut off the engine, remove the key, and allow all moving parts to stop before accessing the drive-wheel release valves. g019755 Figure 30 1. Seat latch 2.
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.
Loading the Machine WARNING Loading a machine onto a trailer or truck increases the possibility of a tip-over and could cause serious injury or death. Use extreme caution when loading or unloading the machine onto a trailer or a truck. Use a full-width ramp that is wider than the machine for this procedure. Back the machine up the ramp and drive it forward down the ramp (Figure 34). • Use extreme caution when operating a machine on a ramp.
g027996 Figure 35 1. Full-width ramp in stowed position 4. The ramp is at least 4 times as long as the height of the trailer or truck bed to the ground. 2. Side view of full-width ramp in loading position 5. H= height of the trailer or truck bed to the ground 3. Not greater than 15 degrees 6.
Cutting Long Grass Operating Tips If the grass is ever allowed to grow slightly longer than normal, or if it contains a high degree of moisture, raise the cutting height higher than usual and cut the grass at this setting. Then cut the grass again using the lower, normal setting. Using the Fast Throttle Setting For best mowing and maximum air circulation, operate the engine at the FAST throttle position.
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure 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. Check the seat belt.
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. Lubrication Greasing the Mower Service Interval: Every 50 hours—Grease the mower deck spindles. Greasing and Lubrication Yearly—Grease the pump-belt idler arm. Grease more frequently when operating conditions are extremely dusty or sandy. Yearly—Grease the front caster pivots.
g027339 g024207 Figure 40 Figure 38 6. Grease the drive-belt idler arm (Figure 37). Lubricating the Caster Wheel Hubs Service Interval: Yearly 1. Shut off the engine, wait for all moving parts to stop, remove the key and engage the parking brake. g009030 Figure 39 g006115 Figure 41 7. 1. Seal guard 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 50). 8. Remove the hex plug.
8. Engine Maintenance If the axle assembly has had both spacer nuts removed (or broken loose), apply a thread-locking adhesive to 1 spacer nut and thread onto the axle with the wrench flats facing outward. Do not thread spacer nut all of the way onto the end of the axle. Leave approximately 3 mm (1/8 inch) from the outer surface of the spacer nut to the end of the axle inside the nut. 9. Insert the assembled nut and axle into the wheel on the side of the wheel with the new seal and bearing. 10.
6. 7. 8. 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 43). filter. If the safety filter is dirty, then the primary filter is damaged. Replace both filters. Clean the inside of the air-cleaner cover with compressed air. Installing the Filters Gently slide the primary filter out of the air-cleaner body (Figure 43).
Servicing the Engine Oil Oil Type: Detergent oil (API service class SJ or higher) Oil Capacity: with a filter change, 1.7 L (58 oz); with no filter change, 1.4 L (48 oz) g024213 Viscosity: See the table below. g012991 Figure 44 Note: Use of synthetic oil having 5W-20 or 5W-30 rating is acceptable, up to 4°C (40°F). Note: Synthetic oils will provide better starting in extreme cold below -23°C (-10°F).
Changing the Engine Oil 4. Service Interval: 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 47). 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 the oil drains completely. 2.
g024213 g024213 g013011 Figure 49 1. Engine-oil cooler g027477 Figure 48 Note: Ensure the oil filter gasket touches the engine and then turn the oil filter an extra 3/4 turn. 3. Fill the crankcase with the proper type of new oil; refer to Changing the Engine Oil (page 39). Servicing the Engine-Oil Cooler Service Interval: Every 200 hours 1. Remove the bolts holding the oil cooler to the engine housing . 2. Clean the inside of the oil cooler with a brush. 3.
Servicing the Spark Plug Service Interval: Every 200 hours—Check, clean and regap the spark plug. Make sure 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. g024214 Type : Champion® XC12YC, Champion® Platinum3071 or equivalent Air Gap: 0.76 mm (0.030 inch) Removing the Spark Plug 1.
Checking the Spark Plug Checking the Spark Arrester Important: Replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, cracks or reuse is questionable. For a model with a Spark Arrester 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. Service Interval: Every 50 hours Set the gap to 0.76 mm (0.030 inch).
Fuel System Maintenance WARNING Fuel system components are under high pressure. The use of improper components can result in system failure, gasoline leakage and possible explosion. Use only approved fuel lines and fuel filters. Servicing the Electronic Fuel-Injection System g008963 Figure 54 This machine contains an electronic fuel-injection system. It controls the fuel flow under different operating conditions. 1. Fuel filter 2.
Electrical System Maintenance WARNING Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. Servicing the Battery • Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable. Service Interval: Monthly WARNING • Always connect the positive (red) battery cable before connecting the negative (black) cable.
g000960 Figure 57 g032526 Figure 56 Charging the Battery WARNING Charging the battery produces gasses that can explode. Never smoke near the battery and keep sparks and flames away from 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. Charge battery for 10 to 15 minutes at 25 to 30 A or 30 minutes at 10 A. 2.
Replacing the Fuses DANGER Jump starting a weak battery that is cracked, frozen, has low electrolyte level, or an open/shorted battery cell, can cause an explosion resulting in serious personal injury. The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check the component and circuit for a malfunction or short. The fuses are located on the right console next to the seat (Figure 58). 1. To replace the fuses, pull out the fuse to remove it. 2.
7. g012785 Figure 59 1. Positive (+) cable on discharged battery 5. Booster battery 2. Positive (+) cable on booster battery 6. Discharged battery 3. Negative (–) cable on the booster battery 7. Engine block 4. Negative (–) cable on the engine block 4. Connect the other end of the positive cable to the positive terminal of the booster battery. 5. Connect the black negative (–) cable to the other terminal (negative) of the booster battery. 6.
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 the retractor and buckle. Replace the seat belt if it is damaged. Checking the Rollover-Protection System (ROPS) Knobs Service Interval: Before each use or daily 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 rear part of the seat is secured with the seat latch.
7. If it tracks to the left, loosen the bolts and adjust the right stop plate rearward on the right T-slot until the machine tracks are straight (Figure 63). 8. Tighten the stop plate (Figure 63). g001055 Figure 64 Checking the Wheel Lug Nuts Service Interval: After the first 100 hours Every 500 hours Check and torque the wheel lug nuts to 122 to 129 N∙m (90 to 95 ft-lb). Checking the Wheel-Hub Slotted Nut g027407 Figure 63 Left control lever shown 1.
g001297 Figure 66 1. Spring washers 3. Dust cap 2. Locknut g027408 Figure 65 1. Slotted nut Using 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. Adjusting the Caster-Pivot Bearing Service Interval: Every 500 hours/Yearly (whichever comes first) 1.
2. 3. Engage the parking brake and wait for the machine to cool completely. Using an air compressor, blow out any debris from under the brake pole and around the brake spacers. g010871 Figure 70 1. Shim C. Using a pneumatic line, blow out any debris from under the brake pole and around the brake spacers. D. Torque each bolt (M6 x 1) to 12.3 to 13.7 N∙m (9.5 to 10.5 ft-lb). E. Using a 0.
Cooling System Maintenance • If the gap is less than 0.010 inch, install the shim and refer to Troubleshooting (page 71). • If the gap is sufficient, proceed to the safety check in step F. F. Cleaning the Engine Screen and Engine-Oil Cooler Perform the following safety check: i. Sit on the seat and start the engine. ii. Make sure the blades do not engage when the blade-control switch (PTO) is in the OFF position and the clutch disengaged.
g024214 g004218 g009920 Figure 74 1. Engine guard 4. Fan housing 2. Engine air-intake screen 5. Screw Figure 75 1. Hydraulic units 3. Bolt Cleaning the Hydraulic Units Service Interval: Before each use or daily 1. Disengage the blade-control switch (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. Raise the seat. 4. Clean the debris and grass from the hydraulic units (Figure 75). 5.
Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Check to make sure the brake is adjusted properly before adjusting. 1. Drive the machine onto a level surface. 2. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 3. 4. g026961 Figure 76 Left Side Shown Shut off the engine, wait for all moving parts to stop, and remove the key.
Belt Maintenance Inspecting the Belts Service Interval: Every 50 hours Replace the belt if it is worn. The signs of a worn belt include squealing while the belt is rotating; the blades slipping while cutting grass; and frayed edges, burn marks, and cracks on the belt. 7. Use a ratchet in the square hole in the idler arm to remove tension on the idler spring (Figure 77). 8. Remove the belt from the mower deck pulley (Figure 77). 9. Remove the belt from the remaining pulleys (Figure 77). 10.
g027730 Figure 80 Replacing the Hydraulic-Pump Drive Belt g024146 Figure 79 1. Clutch pulley 5. Belt guide 2. Mower belt 6. Spring-loaded idler pulley 3. Spring-loaded idler pulley 7. Square hole in the idler arm for the ratchet 8. Spring 4. Ensure that the belt-guide tab hits against the pivot hub. 10. Rotate and ensure the belt-guide tab hits against the pivot hub Figure 79. 11. Using the ratchet in the square hole, install the idler spring (Figure 79).
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 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.
5. g009195 Figure 83 Adjusting the Motion-Control Linkage The pump-control linkages are located on either side of the fuel tank, below the seat. Rotate the pump linkage with a 1/2 inch wrench for fine-tuning adjustments so that the machine does not move in the NEUTRAL position. Make any adjustments for NEUTRAL positioning only. WARNING The engine must be running and the drive wheels must be turning, so the motion-control adjustment can be performed.
Note: Engage the parking brake and move 14. Raise the deck and install the height-of-cut pin. the motion-control levers out before starting 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. 15. Check that the machine does not creep in NEUTRAL when you disengage the parking brakes. 6.
3. Hydraulic System Maintenance Tighten jam nut. Servicing the Hydraulic System Hydraulic Fluid Type: Toro® HYPR-OIL™ 500 hydraulic oil or Mobil® 1 15W-50. g008621 Important: Use the hydraulic fluid specified. Figure 86 1. Flanged nut Other fluids could damage the hydraulic system. 2. Jam nut Each Hydraulic System Oil Capacity: 1.5 L (52 oz) per side with filter change Checking the Hydraulic Fluid Service Interval: Every 50 hours—Check the hydraulic-fluid level. 1.
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 oil (more often in dirty or dusty conditions). Every 500 hours—Change the hydraulic filters and hydraulic fluid when using Toro® HYPR-OIL™ 500 hydraulic oil (more often in dirty or dusty conditions).
Mower Deck Maintenance Leveling the Mower Deck Setting up the Machine Note: Ensure the mower deck is level 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.
g024245 Figure 91 g027343 1. 7.6 cm (3 inches) at position A is correct. Figure 90 1. Deck-lift pedal 3. Transport lock 3. Measure here from the blade tip to the hard surface. 4. Measure at position A and B on both sides. 2. Height-of-cut pin 2. 8.3 cm (3-1/4 inches) at position B is correct. 6. Insert the height-adjustment pin into the 76 mm (3 inch) height-of-cut location. 9. 7. Release the transport lock and allow the deck to lower to the cutting height.
g027345 Figure 94 1. Bolts at the bottom of the height-of-cut plate g027410 Figure 92 1. Whizlock nut 2. Adjuster screw 10. 11. 3. Jam nut 4. Yoke To adjust the single-point system, loosen the 2 bolts at the bottom of the height-of-cut plate (Figure 94). 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 95).
14. On both sides of the deck, measure from the level surface to the back tip of the blade (position B). Ensure the measurement is 8.3 cm (3-1/4 inches) (Figure 91). 15. Fine-tune the screw adjuster by turning it to get 8.3 mm (3-1/4 inches) height (Figure 92). To increase the height, turn the adjustment nut clockwise; to decrease, turn counterclockwise. 16. g006530 Measure until all 4 sides are the correct height. Tighten all the nuts on the deck lift arm assemblies.
Note: The difference between the dimensions obtained in steps 4 and 5 must not exceed 3 mm (1/8 inch). Note: If this dimension exceeds 3 mm (1/8 inch), the blade is bent and must be replaced. DANGER A blade that is bent or damaged could break apart and could seriously injure or kill you or bystanders. • Always replace bent or damaged blade with a new blade. • Never file or create sharp notches in the edges or surfaces of blade.
Sharpening the Blades 1. Use a file to sharpen the cutting edge at both ends of the blade (Figure 100). Note: Maintain the original angle. Note: The blade retains its balance if the same amount of material is removed from both cutting edges. g000276 Figure 100 g004536 1. Sharpen at the original angle 2. Figure 102 Left and center spindle shown Check the balance of the blade by putting it on a blade balancer (Figure 101). 1. Sail area of the blade 2.
Removing the Mower Deck Before servicing or removing the mower deck, lock out the spring-loaded deck arms. WARNING Deck lift arm assemblies have stored energy. Removing the deck with out releasing the stored energy can cause serious injury or death. Do not attempt to disassemble the deck from the front frame without locking out the stored energy. 1. Stop engine, wait for all moving parts to stop, remove the key, and engage the parking brake. 2.
Cleaning 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 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. Raise the mower to the TRANSPORT position. g024220 Figure 105 Disposing of Waste 1. Right stabilizer 2.
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 blade-control switch (PTO), set the parking brake, turn the ignition key to the OFF position, and 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. 4.
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 disengaged. 2. The parking brake is not on. 3. The drive levers are not in 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. The relay or switch is broken. 2. Set the parking brake.
Problem The machine does not drive. The machine vibrates abnormally. The cutting height is uneven. Possible Cause 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. The pump belt is off a pulley. The idler spring is broken or missing. The hydraulic-fluid level is low or too hot. 1. Install new cutting blade(s). 2. The blade mounting bolt is loose. 3. The engine mounting bolts are loose. 4.
Problem Malfunction Indicator Light (MIL) comes on. Possible Cause Corrective Action 1. The engine is too hot. 1. Turn the engine off and let it cool. 2. There is old gas in the gas tank. 3. The fuel-shutoff valve is not open completely. 4. The ir cleaner is dirty. 2. Use new gas. 3. Open the fuel-shutoff valve. 5. The battery is not charged. 6. The fuel filters are incorrect or dirty. 7. Connections to sensors electronic control unit (ECU) and fuel injectors are not secured properly. 8.
GND BK BK + - A C FUEL SENDER S B BU PK (PTO SWITCH) SW2 PK PK 2 3 BN BN BN V 4 5 BK BK U2 BK F4 PK 7 4 9 HOUR METER 7 W PK 12 OR 10 T SW6 (BRAKE) GND 15A 6 2 3 Y 11 LTGR SW4 (NEUT_L) BN 8 B PTO CLUTCH TVS DIODE BK A BN F3 SW5 (NEUT_R) PTO 1 PK FUEL_SOLENOID NEUTRAL 8 SEAT OR BRAKE 5 8 4 7 10A KEY_A 1 GN SW7 (SEAT) BN PK OR GY R OR R GY PK PK GY V SW1 (IGNITION) 2 5 1 3 B I S R 5 GN 2 OPTIONAL ACCESSORIES FUEL GROUND B+ KEY_S 74 MAGNETO
Notes:
The Toro Warranty Landscape Contractor Equipment (LCE) A Limited Warranty (see warranty periods below) Conditions and Products Covered The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to the original purchaser to repair the Toro Products listed below if defective in materials or workmanship.
