Form No. 3414-606 Rev C Z Master® Professional 5000 Series Riding Mower with 60in TURBO FORCE® Side Discharge Mower Model No. 75951—Serial No. 400000000 and Up Register at www.Toro.com.
Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model 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.
Contents Engine Safety ................................................... 38 Servicing the Air Cleaner .................................. 38 Servicing the Engine Oil.................................... 40 Servicing the Spark Plug................................... 43 Checking the Spark Arrester ............................. 44 Fuel System Maintenance ................................... 45 Servicing the Electronic Fuel-Injection System..........................................................
Safety Disposing of Waste........................................... 70 Storage ................................................................... 71 Cleaning and Storage ....................................... 71 Troubleshooting ...................................................... 72 Schematics ............................................................. 75 This machine has been designed in accordance with ANSI B71.4-2012.
Slope Indicator g011841 Figure 3 This page may be copied for personal use. 1. The maximum slope you can safely operate the machine on is 15 degrees. Use the slope chart to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than 15 degrees. Fold along the appropriate line to match the recommended slope. 2. Align this edge with a vertical surface, a tree, building, fence pole, etc. 3.
Safety and Instructional Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or missing. decal58-6520 58-6520 decal106-2655 1. Grease 106-2655 1. Warning—do not touch or approach moving belts; remove the ignition key and read the instructions before servicing or performing maintenance. decal93-7818 93-7818 1.
decal110-2068 110-2068 1. Read the Operator's Manual. decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards in place. 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. Lower the roll bar only when absolutely necessary; do not wear the the seat belt when the roll bar is down. 3.
decal116-4858 116-4858 decal116-8726 116-8726 1. Read the Operator’s Manual for recommended hydraulic fluid. decal136-5508 136-5508 1. Belt routing decal115-9625 115-9625 1. Parking brake—disengaged 2. Parking brake—engaged 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. decal116-1716 116-1716 1. Fuel 2. Empty 6. Hour meter 7. PTO 3. Half 8. Parking brake 4. Full 5.
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 the first 100 hours then every 500 hours thereafter. decal117-3848 117-3848 1. Thrown object hazard—keep bystanders a safe distance away from the machine. 2. Thrown object hazard, mower—do not operate the machine without deflector, discharge cover, or grass collection system in place. 3.
decal127-0326 127-0326 1. Read the Operator's Manual. 3. Remove the key from the ignition and read the Operator's Manual before performing maintenance or servicing the machine. decal132-5063 132-5063 1. Cam lock 2. Height of cut 2. Cam unlock decal132-5067 132–5067 decaloemmarkt Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. 1. Explosion hazard 6.
decal125-9383 125–9383 1. Check hydraulic fluid every 50 operating hours. 3. Check the tire pressure every 50 operating hours. 2. Read the Operator’s Manual for information on lubricating the machine. 4. Read the Operator’s Manual before servicing or performing maintenance.
decal132-0871 132-0871 Note: This machine complies with the industry standard stability test in the static lateral and longitudinal tests with the maximum recommended slope indicated on the decal. Review the instructions for operating the machine on slopes in the Operator’s Manual as well as the conditions in which you would operate the machine to determine whether you can operate the machine in those conditions on that day and at that site.
Hour Meter Product Overview The hour meter records the number of hours the engine has operated. It operates when the engine is running. Use these times for scheduling regular maintenance (Figure 6). Fuel Gauge The fuel gauge is located with the hour meter, and the bars light up when the ignition switch is in the ON position (Figure 6). The indicator light appears when the fuel level is low (approximately 1 gallon remaining in the fuel tank).
Blade-Control Switch (Power Takeoff) Specifications The blade-control switch (PTO) engages and disengages power to the mower blades (Figure 5). change without notice. Note: Specifications and design are subject to Width Ignition Switch Use this switch to start the mower engine. It has 3 positions: START , RUN, and OFF.
Operation containers on the ground, away from your vehicle before filling. • Remove the equipment from the truck or trailer Note: Determine the left and right sides of the and refuel it while it is on the ground. If this is not possible, then refuel from a portable container rather than a fuel-dispenser nozzle. machine from the normal operating position. Before Operation • Do not operate the machine without the entire exhaust system in place and in proper working condition.
Using Stabilizer/Conditioner Use a fuel stabilizer/conditioner in the machine to provide the following benefits: • Keeps fuel fresh during storage of 90 days or less (drain the fuel tank when storing the machine for more than 90 days) • Cleans the engine while it runs • Eliminates gum-like varnish buildup in the fuel system, which causes hard starting Important: Do not use fuel additives containing methanol or ethanol. Add the correct amount of fuel stabilizer/conditioner to the fuel.
Checking the Engine-Oil Level 3. Lower the roll bar to the down position (Figure 8). Before you start the engine and use the machine, check the oil level in the engine crankcase; refer to Checking the Engine-Oil Level (page 40). Breaking in a New Machine New engines take time to develop full power. Mower decks and drive systems have higher friction when new, placing additional load on the engine. Allow 40 to 50 hours of break-in time for new machines to develop full power and best performance.
Think Safety First CAUTION This machine produces sound levels in excess of 85 dBA at the operator’s ear and can cause hearing loss through extended periods of exposure. Please read all safety instructions and symbols in the safety section. Knowing this information could help you or bystanders avoid injury. DANGER Wear hearing protection when operating this machine. Operating the machine on wet grass or steep slopes can cause sliding and loss of control.
Unlatching the Seat To unlatch the seat, push the seat latch forward (Figure 12). g009181 Figure 11 1. Triangles light up when the interlock components are in the correct position Testing the Safety-Interlock System 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.
Adjusting the MyRide™ Suspension System Adjust the rear-shock assemblies (Figure 14). The MyRide™ suspension system adjusts to provide a smooth and comfortable ride. You can adjust the rear 2-shock assemblies to quickly and easily change the suspension system. Position the suspension system where you are most comfortable. g030024 Adjusting the Rear-Shock Assemblies The slots for the rear-shock assemblies have detent positions for reference.
During Operation • Never leave a running machine unattended. • Before leaving the operating position (including to empty the catchers or to unclog the chute), do the following: During Operation Safety – Stop the machine on level ground. General Safety – Disengage the power take-off and lower the attachments. • The owner/operator can prevent and is responsible for accidents that may cause personal injury or property damage. – Engage the parking brake. – Shut off the engine and remove the key.
Slope Safety Operating the Parking Brake • Establish your own procedures and rules for operating on slopes. These procedures must include surveying the site to determine which slopes are safe for machine operation. Always use common sense and good judgment when performing this survey. Always engage the parking brake when you stop the machine or leave it unattended.
Operating the Mower Blade-Control Switch (PTO) The blade-control switch (PTO) starts and stops the mower blades and any powered attachments. Engaging the Blade-Control Switch (PTO) g008946 Figure 19 Note: Engaging the blade-control switch (PTO) with the throttle position at half or less causes excessive wear to the drive belts. Operating the Ignition Switch 1. Turn the ignition key to the START position (Figure 20). Note: When the engines starts, release the key.
Shutting Off the Engine CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Always remove the ignition key and engage the parking brake when leaving the machine unattended, even if just for a few minutes. Let the engine idle at slow throttle (turtle) for 60 seconds before turning the ignition switch to the OFF position. g029634 Figure 21 6. Turn the ignition key to the START position (Figure 22).
Driving the Machine Using the Motion-Control Levers The drive wheels turn independently, powered by hydraulic motors on each axle. You can turn 1 side in reverse while you turn the other forward, causing the machine to spin rather than turn. This greatly improves the machine maneuverability but may require sometime for you to adapt to how it moves. The throttle control regulates the engine speed as measured in rpm (revolutions per minute).
Stopping the Machine To stop the machine, move the traction-control levers to neutral, and then move them to the locked position, disengage the blade-control switch (PTO), and turn the ignition key to the OFF position. Engage the parking brake when you leave the machine; refer to Engaging the Parking Brake (page 22). Remember to 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.
Adjusting the Height of Cut Adjusting the Height-of-Cut Pin Using the Transport Lock The height-of-cut is adjusted from 25 to 140 mm (1 to 5-1/2 inches) in 6 mm (1/4 inch) increments by relocating the clevis pin into different hole locations. The transport lock has 2 positions, and is used with the deck-lift pedal. There is a LOCK position and a UNLOCK position for the transport position (Figure 27). 1. Move the transport lock to the lock position. 2.
Adjusting the Anti-Scalp Rollers Whenever you change the height-of-cut, it is recommended to adjust the height of the anti-scalp rollers. 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. g000944 Figure 31 Adjust the anti-scalp rollers as shown in Figure 29, Figure 30, and Figure 31. 1.
Position B Use this position when bagging. Always align it with the blower opening. g027727 Figure 32 Positioning the Flow Baffle The following figures are only recommendations for use. Adjustments vary by grass type, moisture content, and the height of the grass. g005833 Figure 34 Note: If the engine power draws down and the mower ground speed is the same, open up the baffle. Position C Position A This is the full open position.
Operating Tips drop onto your lawn. To avoid this, move onto a previously cut area with the blades engaged or you can disengage the mower deck while moving forward. Using the Fast Throttle Setting For best mowing and maximum air circulation, operate the engine at the FAST position. Air is required to thoroughly cut grass clippings, so do not set the height-of-cut so low as to totally surround the mower in uncut grass.
Using the Drive-Wheel-Release Valves After Operation After Operation Safety General Safety WARNING • Clean grass and debris from the cutting units, • • • • • • Hands may become entangled in the rotating drive components below the engine deck, which could result in serious injury. mufflers, and engine compartment to help prevent fires. Clean up oil or fuel spills. Shut off the fuel before storing or transporting the machine.
Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. Ensure that the trailer or truck has all the necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you, your family, pets, or bystanders avoid injury.
Loading the Machine Use extreme caution when loading or unloading machines onto a trailer or a truck. Use a full-width ramp that is wider than the machine for this procedure. Back the machine up the ramp and drive it forward down the ramp (Figure 39). g028043 Figure 39 1. Back the machine up the ramp. 2. Drive the machine forward down the ramp. Important: Do not use narrow individual ramps for each side of the machine.
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 8 hours • Change the engine oil. After the first 100 hours • Check the wheel lug-nut torque. • Check the wheel-hub slotted-nut torque. • Check the parking brake adjustment. After the first 250 hours • Change the hydraulic filters and hydraulic fluid when using any type of fluid. Before each use or daily • • • • • • • • Check the safety system. Check the engine-oil level.
CAUTION If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition before you do any maintenance. Pre-Maintenance Procedures • To ensure optimum performance and continued safety certification of the machine, use only genuine Toro replacement parts and accessories. Replacement parts and accessories made by other manufacturers could be dangerous, and such use could void the product warranty.
Lubrication Grease more frequently when operating conditions are extremely dusty or sandy. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Grease the mower-deck idler pulley pivot until grease comes out the bottom (Figure 42). 4. If you machine has greasable spindles, grease the 3 spindle bearings until grease comes out the lower seals (Figure 42). Grease Type: No. 2 lithium or molybdenum grease 1.
Greasing the Caster-Wheel Bearings Lubricating the Caster-Wheel Hubs Service Interval: Yearly—Grease the front caster pivots (more often in dirty or dusty conditions). Service Interval: Yearly 1. Yearly—Repack the front caster-wheel bearings (more often in dirty or dusty conditions). 1. Shut off the engine, wait for all moving parts to stop, remove the key, and engage the parking brake. Remove the dust cap and adjust the caster pivots. Note: Keep the dust cap off until greasing is done. 2.
13. Insert the second bearing and new seal into the wheel. 14. Apply a thread-locking adhesive to the second spacer nut, and thread it onto the axle with the wrench flats facing outward. 15. Engine Maintenance WARNING Contact with hot surfaces may cause personal injury. Torque the nut to 8 to 9 N∙m (75 to 80 in-lb), loosen, then torque to 2 to 3 N∙m (20 to 25 in-lb). Keep your hands, feet, face, clothing, and other body parts away the muffler and other hot surfaces.
g012996 Figure 46 1. Air-inlet cover 3. Air-cleaner body 2. Air-inlet screen 4. Latch g012997 Figure 47 6. 7. 8. 1. Inner filter 2. Primary filter Release the latches on the air cleaner and pull the air-cleaner cover off the air-cleaner body (Figure 47). 3. Air-cleaner cover Clean the inside of the air-cleaner cover with compressed air. 10. Gently slide the primary filter out of the air-cleaner body (Figure 47).
Installing the Filters Servicing the Engine Oil Important: To prevent engine damage, always Oil Type: Detergent oil (API service SJ or higher) operate the engine with both air filters and the cover installed. 1. Oil Capacity: with a filter change—1.9 L (2.0 US qt); without a filter change—1.60 L (54.4 oz) If installing new filters, check each filter for shipping damage. Viscosity: See the table below. Note: Do not use a damaged filter. 2.
Changing the Engine Oil Service Interval: After the first 8 hours Every 100 hours (more often in dirty or dusty conditions). Note: Dispose of the used oil at a recycling center. 1. g029644 Start the engine and let it run for 5 minutes. Note: This warms the oil so that it drains better. 2. 3. 4. Park the machine so that the rear is slightly lower than the front to ensure that the oil drains completely.
5. Changing the Engine-Oil Filter Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure 51). Service Interval: Every 200 hours Note: Change the engine-oil filter more frequently when operating conditions are extremely dusty or sandy. 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 41). 2. Change the engine-oil filter (Figure 52). g029644 g194610 Figure 51 6.
Servicing the Spark Plug Service Interval: Every 200 hours—Check, clean and regap the spark plug. Ensure that the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench for removing and installing the spark plug(s) and a gapping tool/feeler gauge to check and adjust the air gap. Install a new spark plug(s) if necessary. g029645 Type: Champion® XC12YC, or equivalent Air Gap: 0.76 mm (0.030 inch) Torque: 24.4 to 29.
Checking the Spark Plug Installing the Spark Plug Important: Replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, cracks or reuse is questionable. Tighten the spark plug(s) to 24.4 to 29.8 N-m (18 to 22 ft-lb). If you see light brown or gray on the insulator, the engine is operating properly. A black coating on the insulator usually means that the air cleaner is dirty. Set the gap to 0.76 mm (0.030 inches).
Fuel System Maintenance WARNING Fuel-system components are under high pressure. The use of improper components can result in system failure, fuel leakage, and possible explosion. Use only approved fuel lines and fuel filters. Servicing the Electronic Fuel-Injection System g008963 Figure 57 This machine contains an electronic fuel-injection system. It controls the fuel flow under different operating conditions. 1. Fuel filter 2.
Removing the Battery Electrical System Maintenance WARNING Battery terminals or metal tools could short against metal machine components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. • When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the machine. • Do not allow metal tools to short between the battery terminals and metal parts of the machine.
Installing the Battery Note: Position the battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 58). g000960 Figure 60 g032526 1. Positive battery post 3. Red (+) charger lead 2. Negative battery post 4. Black (-) charger lead Servicing the Fuses Figure 59 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 1.
Jump-Starting the Machine 1. vent caps on both batteries. Also ensure that the machines do not touch and that both electrical systems are off and at the same rated system voltage. These instructions are for negative ground systems only. Check and clean corrosion from the battery terminals before jump-starting. Ensure that the connections are tight. 3. CAUTION Corrosion or loose connections can cause unwanted electrical voltage spikes at any time during the jump-starting procedure.
Drive System Maintenance Checking the Seat Belt g029644 Service Interval: Before each use or daily Inspect the seat belt for wear, cuts, and proper operation of retractor and buckle. Replace the seat belt if it is damaged. Checking the Rollover Protection System (ROPS) Knobs g013117 Service Interval: Before each use or daily Figure 63 1. Engine block 7. 2. Negative (–) cable WARNING To avoid injury or death from rollover: keep the roll bar in the fully raised locked position and use the seat belt.
right T-slot until the machine tracks straight (Figure 65). 6. Tighten the stop plate (Figure 65). g029647 Figure 65 Left control lever shown 1. Control lever 3. Stop plate 2. Bolt Checking the Tire Pressure g008943 Figure 64 1. ROPS knob (locked position) Service Interval: Every 50 hours/Monthly (whichever comes first) 3. Roll bar in the upright position Maintain the air pressure in the front and rear tires at 90 kPa (13 psi). Uneven tire pressure can cause an uneven cut.
Checking the Wheel-Lug Nuts Important: Make sure that the spring washers are installed correctly as shown in Figure 68. 5. Check and torque the wheel lug nuts to 122 to 129 N∙m (90 to 95 ft-lb). Install the dust cap (Figure 68). Checking the Wheel-Hub Slotted Nut Service Interval: After the first 100 hours Every 500 hours 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 wheel hub. g001297 Figure 68 1. Spring washers 3.
Removing the Clutch Shim 1. 2. B. Shut off the engine, wait for all moving parts to stop, remove the key, engage the parking brake, and allow the machine to cool completely before starting these instructions. Using needle-nose pliers, or by hand, hold the tab and remove the shim (Figure 72). Note: Do not discard the shim until proper clutch function has been confirmed. Using an air compressor, blow out any debris from under the brake pole and around the brake spacers (Figure 70).
Cooling System Maintenance Cleaning the Engine Screen and Engine-Oil Cooler Service Interval: Before each use or daily g010873 Figure 74 Remove any buildup of grass, dirt, or other debris from the oil cooler (Figure 75). 1. Feeler gauge • If the gap is less than 0.25 mm (0.01 inch), then install the shim; refer to Troubleshooting (page 72). • If the gap is sufficient, proceed to the safety check in step F. g029644 F. Perform the following safety check: i. Sit on the seat and start the engine. ii.
Cleaning the Engine-Cooling Fins and Shrouds Checking and Cleaning the Hydraulic-Unit Shrouds Service Interval: Before each use or daily Service Interval: Every 100 hours/Yearly (whichever comes first) 1. Disengage the blade-control switch (PTO) and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the air-intake screen, the recoil starter, and the fan housing (Figure 76). 4.
Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Note: Perform this procedure whenever you remove or replace a brake component. 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 78 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 Check the belts for squealing when the belt is rotating; blades slipping when cutting grass; frayed belt edges; burn marks; and cracks, which are signs of a worn mower belt. Replace the mower belt if any of these conditions occur. Replacing the Mower Belt 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 2.
g027730 Figure 81 g009039 1. Position the belt cover. 3. Ensure that the tab is under the metal catch. Figure 82 2. Slide the belt cover under the side catches. 1. Idler pulley 5. Left hydraulic-pump pulley 2. Clutch pulley 6. Square hole in the idler arm 7. Idler spring 3. Pump-drive belt 4. Right hydraulic-pump pulley Replacing the Hydraulic Pump-Drive Belt 5. Use a ratchet in the square hole in the idler arm to remove the idler spring (Figure 82). 6.
Controls System Maintenance Adjusting the Control-Handle Position There are 2 height positions for the control levers—high and low. Remove the bolts to adjust the height for the operator. 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3.
4. Note: The wheels must stop turning or slightly Remove the electrical connection from the seat safety switch, located under the bottom cushion of the seat. creep in reverse. 11. Shut off the machine, remove the jumper wire from the wire harness, and plug the connector into the seat switch. Note: The switch is a part of the seat assembly. 5. Temporarily install a jumper wire across the terminals in the connector of the main wire harness. 12. Remove the jack stands. 13.
Adjusting the Motion-Control Neutral-Lock Pivot Hydraulic System Maintenance Hydraulic System Safety You can adjust the flanged nut to obtain the desired motion-control lever resistance when moving it to the NEUTRAL-LOCK position. See Figure 87 for adjustment options. 1. Loosen the jam nut. 2. Tighten or loosen the flanged nut to the desired feel. • Ensure that all hydraulic-fluid hoses and • • For more resistance, tighten the flanged nut. • • • For less resistance, loosen the flanged nut 3.
8. Wipe the dipstick off and thread the dipstick into the reservoir. 9. Remove the dipstick and look at the end (Figure 88). WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury. • If hydraulic fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this type of injury. Gangrene may result if this is not done. Important: Do not overfill the hydraulic units with oil as damage may occur.
Replacing the Hydraulic Fluid and Filters 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). To replace the hydraulic fluid, remove the filters.
Mower Deck Maintenance Leveling the Mower Deck Setting up the Machine Note: Ensure that the mower deck is level before matching the height of cut (HOC). 1. Position the mower on a flat surface. 2. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and engage 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. 5.
10. Fine-tune the adjustment nut on the front deck lift assembly by turning it (Figure 93). Note: To increase the height, turn the adjustment nut clockwise; to decrease, turn counterclockwise. Note: If the front deck links do not have enough adjustment to achieve accurate cut height, the single-point adjustment can be utilized to gain more adjustment. g027345 Figure 94 1. Bolts at the bottom of the height-of-cut plate 12.
15. 16. On both sides of the deck, measure from the level surface to the back tip of the blade (postion B) as shown in Figure 92. Servicing the Cutting Blades Note: The measurement should read 8.3 cm (3-1/4 inches). To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, you may want to keep extra blades on hand. Fine tune the screw adjuster by turning it to get 8.3 mm (3-1/4 inches) height (Figure 93).
Note: If this dimension exceeds 3 mm (1/8 inch), the blade is bent and must be replaced. WARNING A blade that is bent or damaged could break apart and could seriously injure or kill you or bystanders. • Always replace a bent or damaged blade with a new blade. g006530 Figure 96 1. Cutting edge 3. Wear/slot forming 2. Curved area 4. Crack • Do not file or create sharp notches in the edges or surfaces of the blade. Checking for Bent Blades 1.
Removing the Blades Note: If the blade stays in a horizontal position, the blade is balanced and can be used. Blades must be replaced if a solid object is hit, if the blade is out of balance, or if the blade 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 nonconformance with safety standards. 1. 2.
Removing the Mower Deck Lock out the spring-loaded deck arms before servicing or removing the mower deck. WARNING Deck-lift arm assemblies have stored energy. Removing the deck with out releasing the stored energy can cause serious injury or death. Do not attempt to disassemble the deck from the front frame without locking out the stored energy. 1. Shut off the engine, wait for all of the moving parts to stop, remove the key, and engage the parking brake. 2.
Replacing the Grass Deflector WARNING An uncovered discharge opening could allow the lawn mower to throw objects at you or bystanders, resulting in serious injury. Also, contact with the blade could occur. Never operate the lawn mower unless you install a cover plate, mulch plate, grass deflector, or bagger. 1. g029652 Figure 103 Remove the locknut, bolt, spring, and spacer holding the deflector to the pivot brackets (Figure 104). 1. Right stabilizer 2. Deck strut (right side shown) 3.
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. Cleaning the Suspension System Note: Do not clean the shock assemblies with pressurized water (Figure 105).
Storage Note: A fuel stabilizer/conditioner is most effective when mixed with fresh fuel and used at all times. Cleaning and Storage 1. 2. Disengage the power takeoff (blade-control switch (PTO), engage the parking brake, and turn the ignition key to the OFF position. Remove the key. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine and hydraulic system. Clean dirt and chaff from the outside of the engine cylinder head fins and blower housing.
Troubleshooting Problem The malfunction-indicator light (MIL) comes on. Possible Cause 1. The engine is too hot. 1. Shut off the engine and let it cool. 2. There is old fuel in the fuel tank. 3. The fuel-shutoff valve is not open completely. 4. The air cleaner is dirty. 2. Use new fuel. 3. Open the fuel-shutoff valve. 5. The battery is not charged. 6. Incorrect fuel filters are being used or the fuel filters are dirty. 7.
Problem The engine loses power. The engine overheats. The mower pulls to the left or right (with levers fully forward) The machine does not drive. The machine vibrates abnormally. The machine produces an uneven cutting height. Possible Cause 1. The engine load is excessive. 1. Reduce the ground speed. 2. The air cleaner is dirty. 3. The oil level in the crankcase is low. 4. The cooling fins and the air passages above the engine are plugged. 5. The vent hole in the fuel cap is plugged. 6.
Problem The clutch does not engage. Possible Cause Corrective Action 1. The fuse is blown. 1. Replace the fuse. Check the coil resistance, battery charge, charging system, and wiring connections, and replace components if necessary. 2. There is low voltage supply at the clutch. 2. Check the coil resistance, battery charge, charging system, and wiring connections and replace parts if necessary. 3. Replace the clutch. 4. Repair or replace the clutch lead wire or electrical system.
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 75 MAGNETO
The Toro Warranty Landscape Contractor Equipment (LCE) A Limited Warranty (see warranty periods below) Riding Product Conditions and Products Covered 3. If for any reason you are dissatisfied with the Service Dealer’s analysis or with the assistance provided, contact us at: The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair the Toro Products listed below if defective in materials or workmanship.
