Form No. 3400-711 Rev C Z Master® Commercial 3000 Series Riding Mower with 48in or 52in TURBO FORCE® Side Discharge Mower Model No. 74952—Serial No. 316000001 and Up Model No. 74953—Serial No. 316000001 and Up Model No. 78953—Serial No. 316000001 and Up Register at www.Toro.com.
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Contents Checking the Rollover-Protection-System (ROPS) Knobs .............................................. 49 Adjusting the Tracking ...................................... 50 Checking the Tire Pressure............................... 50 Checking the Wheel Lug Nuts........................... 50 Checking the Wheel Hub Slotted Nut ................ 51 Adjusting the Caster-Pivot Bearing ................... 51 Using the Clutch Shim ...................................... 52 Cooling System Maintenance ...........
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 operations. • Disengage drives, set the parking brake, stop • 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. 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.
decal110-2067 110-2067 decal110-2068 110-2068 decal107-3069 1. Read the Operator's Manual. 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. Read the Operator's Manual; drive slowly and carefully. decal112-9028 112-9028 1.
decal116-5988 116-5988 1. Parking brake—engaged 2. Parking brake—disengaged decal115-7445 115-7445 decal116-8726 1. Grease pulleys and spindles 116-8726 2. Maintenance interval—50 hours 1. Read the Operator’s Manual for recommended hydro oil. decal116-1716 116-1716 1. Fuel 2. Empty 6. Hour meter 7. PTO 3. Half 8. Parking brake 4. Full 5. Battery 9. Neutral 10. Operator-presence switch decal117-0346 117-0346 1.
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. 3. Cutting/dismemberment of hand or foot—stay away from moving parts; keep all guards and shields in place. decal117-3864 117-3864 decal121-7551 1. Read the Operator’s Manual. 121-7551 2. Fill to bottom of filler neck; warning—do not overfill the tank. 1.
decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery decal126-4398 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 2. No fire, open flame, or smoking. 7. Wear eye protection; explosive gases can cause blindness and other injuries 3. Caustic liquid/chemical burn hazard 4. Wear eye protection 8. Battery acid can cause blindness or severe burns. 9. Flush eyes immediately with water and get medical help fast. 126-4398 3. Unlock 1.
decal125-9383 125–9383 1. Check hydraulic oil 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 5). Fuel Gauge The fuel gauge is located with the hour meter and the bars light up when the ignition switch is on (Figure 5). The indicator light appears when the fuel level is low (approximately 1 gallon remaining in the fuel tank).
Neutral-Lock Position Operation Use the NEUTRAL-LOCK position with the safety-interlock system to engage and to determine the NEUTRAL position. Note: Determine the left and right sides of the machine from the normal operating position. Fuel-Shutoff Valve Adding Fuel • For best results, use only clean, fresh (less than Close the fuel-shutoff valve (under the seat) when transporting or storing the mower.
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.
Checking the Engine-Oil Level 3. Lower the roll bar to the down position (Figure 7). 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 41). 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 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 8 • Do not operate the machine near water. 1. Safe Zone—use the Z Master 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.
Operating the Throttle Operating the Ignition Switch You can move the throttle control between FAST and SLOW positions (Figure 14). 1. Always use the FAST position when turning on the mower deck with the blade-control switch (PTO). Turn the ignition key to the START position (Figure 16). Note: When the engine starts, release the key. Important: Do not engage the starter for more than 5 seconds at a time. If the engine fails to start, wait 15 seconds between attempts.
Starting and Stopping the Engine Starting the Engine g008948 1. Raise the ROPS up, lock it into place, sit on the seat, and fasten the seat belt. 2. Move the motion-control levers to the NEUTRAL-LOCK position. 3. Set the parking brake; refer to Setting the Parking Brake (page 20). 4. Move the blade-control switch (PTO) to the OFF position (Figure 18). 5. Move the throttle lever midway between the SLOW and FAST positions. Figure 17 1. On 2.
6. Turn the ignition key to the START position (Figure 19). Note: When the engines starts, release the key. Important: Do not engage starter for more than 5 seconds at a time. If the engine fails to start, wait 15 seconds between attempts. Failure to follow these instructions can burn out the starter motor. Note: You may need to attempt to start the engine multiple times when you start it for the first time after the fuel system has been without fuel completely. g008947 Figure 19 g027834 Figure 18 1.
Stopping the Engine Using the Safety-Interlock System CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. CAUTION If the safety-interlock switches are disconnected or damaged, the machine could operate unexpectedly, causing personal injury. Always remove the ignition key and set the parking brake when leaving the machine unattended, even if just for a few minutes. • Do not tamper with the interlock switches.
Driving Forward or Backward Testing the Safety-Interlock System Service Interval: Before each use or daily 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. Test the safety-interlock system before you use the machine each time.
Driving Forward Driving Backward Note: The engine shuts off if you move the 1. Move the levers to the center, unlocked position. traction-control levers with the parking brake engaged. 2. To go backward, slowly pull the motion-control levers rearward (Figure 24). To stop, pull the motion-control levers to the NEUTRAL position. 1. Release the parking brake; refer to Releasing the Parking Brake (page 20). 2. Move the levers to the center, unlocked position. 3.
an UNLOCK position for the transport position of the mower deck (Figure 25).
Adjusting the Height-of-Cut Pin Adjust the height-of-cut from 25 to 140 mm (1 to 5-1/2 inches) in 6 mm (1/4 inch) increments by moving the clevis pin into different hole locations. g008955 Figure 25 Transport-Lock Positions 1. Transport lock 3. UNLOCK position—The mower deck does not lock into the transport position. 2. LOCK position—The mower deck locks into the transport position. 28 1. Move the transport lock to the LOCK position. 2.
Adjusting the Anti-Scalp Rollers Whenever you change the height of cut, adjust the height of the anti-scalp rollers. 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. g027343 Figure 26 1. Deck-lift pedal 3. Transport lock 2. Height-of-cut pin g000942 Figure 27 1. Anti-scalp roller 4. Flange nut 2.
Adjusting the Flow-Baffle-Cam Locks This procedure is applicable only to machines with flow-baffle locks. Certain models have nuts and bolts in place of the flow-baffle locks and can be adjusted the same. You can adjust the mower-discharge flow for different types of mowing conditions. Position the cam locks and baffle to achieve the best quality of cut. 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and set the parking brake. 2.
Positioning the Flow Baffle Position B The following figures are only recommendations for use. Adjustments vary by grass type, moisture content, and height of grass. Use this position when bagging. Always align it with the blower opening. Note: If the engine power draws down and the mower ground speed is the same, open up the baffle. Position A This is the full rear position. Use this position for the following. • Short, light grass mowing conditions. • Dry conditions. • Smaller grass clippings.
Using the Drive-Wheel Release Valves Positioning the Seat The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable. WARNING To adjust the seat, move the lever sideways to unlock seat (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.
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 the unloading 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 ramps and drive it forward down the ramps (Figure 36). • Use extreme caution when operating a machine on a ramp.
g027996 Figure 37 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 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 (check every time you remove or replace a brake component). After the first 250 hours • Change the hydraulic filters and hydraulic oil. Before each use or daily • • • • • • • • Check the safety system.
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. Lubrication Greasing the Mower Grease more frequently when operating conditions are extremely dusty or sandy. Service Interval: Every 50 hours—Grease the mower-deck spindles and idler arm. Grease Type: No. 2 lithium or molybdenum-base grease Yearly—Grease the pump-belt idler arm. 1.
5. Lubricating the Caster-Wheel Hubs Grease the drive-belt idler arm (Figure 39). 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 40 g006115 Figure 42 6. 1. Seal guard Remove the dust cap and adjust the caster pivots. Note: Keep the dust cap off until greasing is complete. Refer to Adjusting the Caster-Pivot Bearing (page 51). 7. Remove the hex plug and thread a grease fitting into the hole. 8.
12. Insert the second bearing and new seal into the wheel. 13. Apply a thread-locking compound to the second spacer nut and thread it onto the axle with the wrench flats facing outward. 14. 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 the nut, then torque it to 2 to 3 N∙m (20 to 25 in-lb). Keep hands, feet, face, clothing and other body parts away the muffler and other hot surfaces.
Servicing the Engine Oil Note: Avoid knocking the filter into the side of the body. 6. Remove the safety filter only if you intend to replace it. Oil Type: Detergent oil (API service SF, SG, SH, SJ, or SL) Important: Do not attempt to clean the Crankcase Capacity: with a filter change, 2.1 L (71 oz); without a filter change, 1.8 L (61 oz) safety filter. If the safety filter is dirty, then the primary filter is damaged. Replace both filters. 7. Viscosity: See the table below.
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. g008804 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 47). 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 42). 2. Change the engine-oil filter (Figure 48). g008804 g027660 Figure 47 6.
Make sure that the air gap between the center electrode and the side electrode is correct before installing each spark plug. Use a spark-plug wrench for removing and installing the spark plugs and a gapping tool/feeler gauge to check and adjust the air gap. Install new spark plugs if necessary. Type : NGK® BPR4ES or equivalent g008803 Air Gap: 0.76 mm (0.030 inch) Removing the Spark Plugs Important: The fasteners on the covers of this machine are designed to remain on the cover after removal.
Installing the Spark Plug Fuel System Maintenance Tighten the spark plug(s) to 24.4 to 29.8 N·m (18 to 22 ft-lb). Replacing the Fuel Filter Service Interval: Every 500 hours/Yearly (whichever comes first) (more often in dirty or dusty conditions). The fuel filter is located near the engine on the front or rear side of the engine. 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and set the parking brake. 2.
Electrical System Maintenance installed at the factory to keep the fuel line away from components that can cause fuel line damage. Servicing the Fuel Tank Servicing the Battery Do not attempt to drain the fuel tank. Ensure that an Authorized Service Dealer drains the fuel tank and services any components of the fuel system. Service Interval: Monthly DANGER Battery electrolyte contains sulfuric acid, which is a deadly poison and causes severe burns.
4. Slide the red terminal boot off the positive (+) battery terminal and remove the positive (red) battery cable (Figure 54). Charging the Battery 5. Remove the wing nut securing the battery clamp (Figure 54). Charging the battery produces gasses that can explode. 6. Remove the clamp (Figure 54). 7. Remove the battery (Figure 54). WARNING Never smoke near the battery and keep sparks and flames away from battery. Important: Always keep the battery fully charged (1.265 specific gravity).
Servicing the Fuses 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 56). 1. To replace the fuses, pull out the fuse to remove it. 2. Install a new fuse (Figure 56). g008966 Figure 56 1. Optional accesory—15 A 4. Main—25 A 2. Charge—25 A 5. Console 3.
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 seat is secured to the machine.
Adjusting the Tracking 1. Disengage the blade-control switch (PTO). 2. Drive to an open, flat area and move the motion-control levers to the NEUTRAL-LOCK position. Checking the Tire Pressure Service Interval: Every 50 hours/Monthly (whichever comes first) 3. Move the throttle midway between the FAST and SLOW positions. 4. Move both motion-control levers forward until they both hit the stops in the T-slot. 5. Check which way the machine tracks. 6.
Checking the Wheel Hub Slotted Nut Adjusting the Caster-Pivot Bearing Service Interval: After the first 100 hours Service Interval: Every 500 hours/Yearly (whichever comes first) 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 the wheel hub. 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and set the parking brake. 2.
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. 5. Verify that 12 V is present at the clutch connector when the you engage the blade-control switch (PTO). 6. Measure the gap between the rotor and armature. If the gap is greater than 1 mm (0.04 inch), proceed with the following steps: A.
E. F. Using a 0.010 inch thick-feeler gauge, verify that a gap is present between the rotor and armature face on both sides of the brake pole as shown in Figure 66 and Figure 67. Perform the following safety check: i. Sit on the seat and start the engine. ii. Make sure that the blades do not engage when the blade-control switch (PTO) is in the OFF position and the clutch is 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 blade-control switch (PTO) and set the parking brake. Service Interval: Before each use or daily 2. Remove any buildup of grass, dirt, or other debris from the oil cooler (Figure 68).
Brake Maintenance Cleaning the Hydraulic Units Adjusting the Parking Brake 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. Move the seat forward. 4. Clean the debris and grass from the hydraulic units (Figure 70). 5. Position the seat.
g026961 Figure 71 Left Side Shown 1. L-bracket 4. Rear-linkage assembly 2. Linkage stop 5. Caliper 3. Gap 6. Wheel hub 9. 10. Disengage the parking brake. Turn the wheel hub by hand in both directions relative to the caliper. Note: The wheel hub should move freely between the caliper. 11. If a gap is needed or the wheel hub does not move freely: A. Disengage the parking brake. B. Disconnect and fine-tune the rear linkage assembly: • Shorten the link to create a gap.
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. Replacing the Mower Belt 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and set the parking brake. 2.
g027730 Figure 74 g009039 Figure 75 Replacing the Hydraulic-Pump Drive Belt 1. Idler pulley 5. Left hydraulic-pump pulley 2. Clutch pulley 6. Square hole in idler arm 3. Pump-drive belt 7. Idler spring 4. Right hydraulic-pump pulley 1. Disengage the blade-control switch (PTO) and set the parking brake. 5. Use a ratchet in the square hole in the idler arm to remove the idler spring (Figure 75). 2.
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. 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. Loosen the bolts and flange nuts installed in the levers (Figure 76). 4.
4. Temporarily install a jumper wire across the terminals in the connector of the main wiring harness. 5. Start the engine. Note: Engage the parking brake and move 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. 6. Run the machine at least 5 minutes with the motion-control levers at full forward speed to bring the hydraulic oil up to operating temperature. 7.
14. Adjusting the Motion-Control Neutral-Lock Pivot Check that the machine does not creep in neutral when you disengage the parking brakes. Adjusting the Motion-Control Damper You can adjust the flanged nut to obtain the desired motion-control lever resistance when you move them to the NEUTRAL-LOCK position. See Figure 80 for adjustment options. You can adjust the top damper mounting bolt to obtain a more desired motion-control lever resistance. See Figure 79 for mounting options. 1.
Hydraulic System Maintenance Servicing the Hydraulic System Hydraulic Oil Type: Toro® HYPR-OIL™ 500 hydraulic oil or Mobil® 1 15W-50. Important: Use oil specified. Other fluids could damage the hydraulic system. Each Hydraulic System Oil Capacity: 1.5 L (52 oz) per side with filter change Checking the Hydraulic Oil Service Interval: Every 50 hours—Check the hydraulic oil level. 1. Position the machine on a level surface. 2.
Replacing the Hydraulic Filters and Hydraulic Oil Service Interval: After the first 250 hours—Change the hydraulic filters and hydraulic oil. Every 250 hours—Change the hydraulic filters and hydraulic oil when using Mobil® 1 oil (more often in dirty or dusty conditions). Every 500 hours—Change the hydraulic filters and hydraulic oil when using Toro® HYPR-OIL™ 500 hydraulic oil (more often in dirty or dusty conditions). To replace the hydraulic oil, you need to 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 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. g017027 Figure 84 Check the pressure of the drive tires.
g009196 Figure 85 1. 7.6 cm (3 inches) at position A is correct. 2. 8.3 cm (3-1/4 inches) at position B is correct. 10. 11. 3. Measure here from the blade tip to the hard surface. 4. Measure at position A and B on both sides. g017029 Figure 87 1. Bolts at the bottom of the height-of-cut plate If needed, loosen the whizlock nut on the side of the yoke and the jam nut on top (Figure 86). Fine-tune the screw adjuster by turning it to get 7.6 mm (3 inches) height. 13.
15. Torque the 2 bolts to 37 to 45 N∙m (27 to 33 ft-lb). Servicing the Cutting Blades 16. On both sides of the deck, measure from the level surface to the back tip of the blade (position B) as shown in Figure 85. To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, keep extra blades on hand. Note: For most conditions, adjust the back blade tip 4 mm (1/4 inch) higher than the front. Note: The measurement should read 8.3 cm (3-1/4 inches) 17.
Removing the Blades Checking for Bent Blades 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. Rotate the blades until the ends face forward and backward (Figure 90). 1. Hold the blade end using a rag or a thickly padded glove. 4.
Installing the Blades Sharpening the Blades 1. 1. Use a file to sharpen the cutting edge at both ends of the blade (Figure 92). Install the blade onto the spindle shaft (Figure 94). Note: Maintain the original angle. Important: The curved part of the blade Note: The blade retains balance if you remove must point upward toward the inside of the mower to ensure proper cutting. the same amount of material from both cutting edges. 2. Install the spring disk and blade bolt (Figure 94).
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 without 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 parking brake. 2.
8. Raise the deck struts and secure them in the up position. 9. Slide the deck out to the right side of the machine. 6. Important: The grass deflector must be able to rotate. Lift the deflector up to the full open position and ensure that it rotates into the full down position. 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.
Cleaning Storage Cleaning under the Mower Cleaning and Storage 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. 1.
B. Run the engine to distribute conditioned fuel through the fuel system (5 minutes). C. Shut off the engine, allow it to cool, and drain the fuel tank; refer to Servicing the Fuel Tank (page 46). D. Restart the engine and run it until it stops. E. Dispose of fuel properly. Recycle as per local codes. Important: Do not store stabilizer/conditioned fuel over 90 days. 13. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged. 14.
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 the disengaged position. 2. The parking brake is not engaged. 3. The motion-control levers are not in the 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.
Problem The machine does not drive. There is abnormal vibration. The machine produces an uneven cutting height. Possible Cause 1. The bypass valves are not closed tight. 1. Tighten the bypass 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 oil 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.
Schematics g009180 Wire Diagram (Rev.
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.
