Form No. 3399-254 Rev C Z Master® Professional 6000 Series Riding Mower with 60in or 72in TURBO FORCE® Side Discharge Mower Model No. 74997—Serial No. 316000001 and Up Model No. 74998—Serial No. 316000001 and Up Register at www.Toro.com.
This spark ignition system complies with Canadian ICES-002 It is a violation of California Public Resource Code Section 4442 or 4443 to use or operate the engine on any forest-covered, brush-covered, or grass-covered land unless the engine is equipped with a spark arrester, as defined in Section 4442, maintained in effective working order or the engine is constructed, equipped, and maintained for the prevention of fire.
Cleaning the Hydraulic Units............................. 55 Brake Maintenance ............................................. 56 Adjusting the Parking Brake.............................. 56 Belt Maintenance ................................................ 57 Inspecting the Belts .......................................... 57 Replacing the Mower Belt ................................. 57 Replacing the Hydraulic-Pump Drive Belt................................................................
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 the machine. unit. • Look behind and down before backing up to ensure a clear path. • Park the machine on a level surface. • Keep pets and bystanders away from an operating machine.
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.
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.
decal110-2068 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 seat belt when the roll bar is down. 3.
decal116-8726 116-8726 1. Read the Operator’s Manual for recommended hydro oil. decal115-9625 115-9625 1. Parking brake—disengaged 2. Parking brake—engaged decaloemmarkt Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. decal117-0346 decal116-1716 117-0346 116-1716 1. Fuel 2. Empty 6. Hour meter 7. PTO 3. Half 8. Parking brake 4. Full 5. Battery 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. decal117-3848 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.
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 decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. 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.
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). g029631 g008950 Figure 4 1. Side-discharge deflector 8. Rear-shock assembly 2. Height-of-cut deck-lift pedal 9. Seat belt 3. Parking-brake lever 10. Fuel cap 4. Transport lock 11. Mower deck 5. Controls 6. Motion-control levers 12. Caster wheel 13. Front-shock assembly Figure 6 1.
Blade-Control Switch (PTO) Neutral-Lock Position Use the blade-control switch (PTO) 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. Use the NEUTRAL-LOCK position with the safety-interlock system to engage and to determine the NEUTRAL position.
Operation 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. Note: Determine the left and right sides of the machine from the normal operating position. Adding Fuel • For best results, use only clean, fresh (less than • • • • • Always place gasoline containers on the ground away from your vehicle before filling.
Using Stabilizer/Conditioner Use a fuel stabilizer/conditioner in the machine to provide the following benefits: • Keeps gasoline fresh during storage of 90 days or less. For longer storage it is recommended that the fuel tank be drained. • Cleans the engine while it runs g029938 • Eliminates gum-like varnish buildup in the fuel system, which causes hard starting Important: Do not use fuel additives containing methanol or ethanol.
40 to 50 hours of break-in time for new machines to develop full power and best performance. 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. Ensure that the seat is secured to the machine. WARNING There is no rollover protection when the roll bar is in the down position. • Lower the roll bar only when absolutely necessary.
Entering the Operating Position DANGER Operating the machine while the roll bar is down may lead to serious injury or death in the event of a rollover. Use the mower deck as a step to get into the operating position (Figure 9). Always keep the roll bar in the fully raised and locked position and use the seat belt. g029797 Figure 9 1. Mower deck g000963 Figure 10 1. Safe Zone—use the machine here on slopes less than 15 degrees or flat areas. 2.
Operating the Parking Brake Operating the Mower Blade-Control Switch (PTO) Always set the parking brake when you stop the machine or leave it unattended. The blade-control switch (PTO) starts and stops the mower blades and any powered attachments. Setting the Parking Brake Engaging the Blade-Control Switch (PTO) WARNING Note: Engaging the blade-control switch (PTO) with the throttle position at half or less causes excessive wear to the drive belts.
Operating the Throttle Operating the Ignition Switch You can move the throttle control between FAST and SLOW positions (Figure 16). 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 18). 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.
g008948 Figure 19 1. On 2. Off Starting and Shutting Off the Engine Starting the Engine 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 21). 4. Move the blade-control switch (PTO) to the OFF position (Figure 20). 5. Move the throttle lever midway between the SLOW and FAST positions.
6. Shutting Off the Engine Turn the ignition key to the START position (Figure 21). CAUTION Note: When the engines starts, release the key. Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. 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.
Testing the Safety-Interlock System Using the Safety-Interlock System Service Interval: Before each use or daily CAUTION Test the safety-interlock system before you use the machine each time. If the safety system does not operate as described below, have an Authorized Service Dealer repair the safety system immediately. If the safety-interlock switches are disconnected or damaged, the machine could operate unexpectedly, causing personal injury. 1.
Driving Forward CAUTION Note: The engine shuts off if you move the Machine can spin very rapidly. You may lose control of machine and injure yourself or damage the machine. traction-control levers with the parking brake engaged. To stop, pull the motion-control levers to the NEUTRAL position. • Use caution when making turns. • Slow the machine down before making sharp turns. Using the Motion-Control Levers 1. Release the parking brake; refer to Releasing the Parking Brake (page 21). 2.
Driving Backward Shutting Off the Machine 1. Move the levers to the center, unlocked position. 2. To go backward, slowly pull the motion-control levers rearward (Figure 26). To shut off the machine, move the motion-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 21). Remove the key from the ignition switch.
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 27 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.
g029956 Figure 30 g029840 Figure 28 1. Deck-lift pedal 1. Anti-scalp roller 3. Flange nut 2. Bushing 4. Bolt 3. Transport lock 2. Height-of-cut pin 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. 2. 3. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and set the parking brake.
4. Adjust the baffle and cam locks in the slots to the desired discharge flow. Positioning the Flow Baffle 5. Swing the lever back over to tighten the baffle and cam locks (Figure 32). The following figures are only recommendations for use. Adjustments will vary by grass type, moisture content, and the height of the grass. 6. If the cam locks do not lock the baffle into place or it is too tight, loosen the lever and then rotate the cam lock.
Position C This is the fully open position. The suggested use for this position is as follows: • Tall, dense grass mowing conditions • Wet conditions • Lowers the engine-power consumption • Allows increased ground speed in heavy conditions • This position is similar to the benefits of the Toro SFS mower g005833 Figure 34 g005834 Figure 35 Positioning the Seat The seat moves forward and backward. Position the seat where you have the best control of the machine and are most comfortable.
Adjusting the MyRide™ Suspension System The MyRide™ suspension system adjusts to provide a smooth and comfortable ride. Adjusting the rear 2-shock assemblies is the easiest and quickest adjustment for changing the suspension system. Position the suspension system where you are most comfortable. g029830 Figure 36 Adjusting the Rear-Shock Assemblies Unlatching the Seat The slots for the rear-shock assemblies have detent positions for reference.
Adjusting the Front-Shock Assembly Adjust the rear-shock assemblies (Figure 39). The front-shock assembly is set at the middle position and is normally not adjusted. To adjust the front-shock assembly, open the floor pan and adjust it by using a spanner wrench (Toro Part No. 132-5069) or slip-joint pliers (Figure 40). g030024 g030569 Figure 40 1. Middle position 3. Soft ride 2.
Using the Side Discharge Note: Make sure that the release valves are in the fully horizontal position when operating the machine, or severe damage to the hydraulic system could occur. 1. 2. The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. Disengage the blade-control switch (PTO) and turn the ignition key to off. Move the levers to the NEUTRAL-LOCK position and apply the parking brake. Remove the key.
5. Use the metal tie-down loops on the machine to securely fasten it to the trailer or truck with straps, chains, cable, or ropes (Figure 42). the slope and the ramp extends up the slope. This minimizes the ramp angle. 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 operating a machine on a ramp.
g027996 Figure 44 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 fluid when using any type of fluid.
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 grease Yearly—Grease the pump-belt idler arm. 1. 2. 3.
5. Lubricating the Caster-Wheel Hubs Grease the drive-belt idler arm (Figure 46). 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 47 g006115 Figure 49 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 52). 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 SG, SH, SJ, or higher) Important: Do not attempt to clean the Oil Capacity: with a filter change, 1.9 L (64 oz); with no filter change, 1.7 L (57 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. 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. 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 54). g029644 g027660 Figure 54 6. Start the engine and drive to a flat area. 7. Check the oil level again. Changing the Engine-Oil Filter g027477 Figure 55 Service Interval: Every 200 hours Note: Change the engine-oil filter more frequently Note: Ensure that the oil-filter gasket touches when operating conditions are extremely dusty or sandy. 1. 2.
Servicing the Spark Plug Service Interval: Every 100 hours 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. g029645 Type : NGK® BPR5ES or equivalent Air Gap: 0.75 mm (0.03 inch) Removing the Spark Plug 1.
Checking the Spark Plug Checking the Spark Arrester Important: Do not clean the spark plug(s). Always replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, or cracks. For a Model with a Spark Arrester Service Interval: Every 50 hours 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.
Servicing the Fuel Tank Fuel System Maintenance 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. 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.
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. • Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable. • Always connect the positive (red) battery cable before connecting the negative (black) cable.
Installing the Battery 1. Position battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 61). 2. Install the positive (red) battery cable to the positive (+) battery terminal. 3. Install the negative (black) battery cable and ground wire to the negative (-) battery terminal. 4. Secure the cables with 2 bolts, 2 washers, and 2 locknuts (Figure 61). 5. Slide the red terminal boot onto the positive (+) battery terminal. 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 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. Maintain the air pressure in the rear tires at 90 kPa (13 psi). Uneven tire pressure can cause uneven cut.
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 the wheel hub. g001297 Figure 68 1. Spring washers 3. Dust cap 2. Locknut Using the Clutch Shim Some later model year units have been built with clutches that contain a brake shim.
Removing the Clutch Shim 1. B. Shut off the engine, wait for all moving parts to stop, and remove the key. 2. Engage the parking brake and wait for machine to cool completely. 3. Using an air compressor, blow out any debris under the brake pole and around the brake spacers. Using needle-nose pliers, or by hand, remove the shim. Note: Do not discard the shim until you confirm that the clutch functions properly. g010871 Figure 72 1. Shim C.
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). This helps ensure adequate cooling, correct engine speed, and reduces the possibility of overheating and mechanical damage to the engine. 1. Feeler gauge • If the gap is less than 0.010 inch, then install the shim and refer to Troubleshooting (page 73).
Cleaning the Engine Cooling Fins and Shrouds Cleaning the Hydraulic Units Service Interval: Every 100 hours/Yearly (whichever comes first) 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. Remove the air intake screen, recoil starter, and fan housing (Figure 76). 4. Clean the debris and grass from the engine parts.
Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter 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. Shut off the engine, wait for all moving parts to stop, and remove the key. 4. Raise the back of the machine and support the machine with jack stands.
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 81 g009039 Figure 82 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 82). 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 83). 4.
4. Temporarily install a jumper wire across the terminals in the connector of the main wire 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 fluid up to operating temperature. 7.
14. Adjusting the Motion-Control Damper Check that the machine does not creep in neutral when you disengage the parking brakes. You can adjust the top damper mounting bolt to obtain a more desired motion-control lever resistance. See Figure 86 for mounting options. g008620 Figure 86 Right motion-control lever shown 1. Torque the locknut to 23 N∙m (17 ft-lb). The bolt must protrude past the end of the locknut after torquing. 2. Most resistance (firmest feel) 3. Damper 4.
Adjusting the Motion-Control Neutral-Lock Pivot Hydraulic System Maintenance Servicing the Hydraulic System 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 87 for adjustment options. Hydraulic Fluid Type: Toro® HYPR-OIL™ 500 hydraulic fluid or Mobil® 1 15W-50. 1. Loosen the jam nut. 2. Tighten or loosen the flanged nut to the desired feel. Important: Use the fluid specified.
Replacing the Hydraulic Filters and Hydraulic Fluid Service Interval: After the first 250 hours—Change the hydraulic filters and hydraulic fluid when using any type of fluid. Every 250 hours—Change the hydraulic filters and hydraulic fluid when using Mobil® 1 fluid (more often in dirty or dusty conditions). Every 500 hours—Change the hydraulic filters and hydraulic fluid when using Toro® HYPR-OIL™ 500 hydraulic fluid (more often in dirty or dusty conditions).
Mower Deck Maintenance Leveling the Mower Deck Setting Up the Machine Note: Ensure that the mower deck is 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. Check the pressure of the drive tires.
g009196 Figure 92 1. 7.6 cm (3 inches) at position A is correct. 2. 8.3 cm (3-1/4 inches) at position B is correct. g017027 Figure 91 1. Deck-lift pedal 3. Measure here from the blade tip to the hard surface. 4. Measure at position A and B on both sides. 3. Transport lock 2. Height-of-cut pin 10. If needed, loosen the flanged locknut on the side of the yoke and the jam nut on top. 6. Insert the height-adjustment pin into the 7.6 cm (3 inch) height-of-cut location. 11.
12. If the front deck links do not have enough adjustment to achieve accurate cut height, loosen the 2 bolts at the bottom of the height-of-cut plate to adjust the single-point system (Figure 94). g017036 Figure 95 1. Single-point adjustment bolt 14. Tighten the 2 bolts at the bottom of the height-of-cut plate (Figure 94). Note: For most conditions, adjust the back blade tip 4 mm (1/4 inch) higher than the front. g017029 15. Torque the 2 bolts to 37 to 45 N∙m (27 to 33 ft-lb). 16.
Checking for Bent Blades Servicing the Cutting Blades To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, keep extra blades on hand. WARNING A worn or damaged blade can break, and a piece of the blade could be thrown at you or bystanders, resulting in serious personal injury or death. 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and set the parking brake. 2.
Removing the Blades Sharpening the Blades 1. Replace a blade if it hits an object, 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. Hold the blade end using a rag or a thickly padded glove. 2. Remove the blade bolt, curved washer, and blade from the spindle shaft (Figure 98).
Removing the Mower Deck Installing the Blades 1. Install the blade onto the spindle shaft (Figure 101). Before servicing or removing the mower deck, lock out the spring-loaded deck arms. Important: The curved part of the blade WARNING must point upward toward the inside of the mower to ensure proper cutting. 2. Deck-lift-arm assemblies have stored energy. Removing the deck without releasing the stored energy can cause serious injury or death. Install the spring disk and blade bolt (Figure 101).
g009197 Figure 103 g009038 1. Right stabilizer Figure 102 1. Clutch pulley 2. Mower belt 5. Square hole in the idler arm for the ratchet 6. Idler grease fitting 3. Spring-loaded idler pulley 7. Belt guide 2. Deck strut (right side shown) 3. Remove the shoulder bolt and nut. 4. Remove the shoulder bolt and nut. 4. Ratchet 7. Remove and retain the hardware on both sides of the deck as shown in Figure 103. 70 8. Raise the deck struts and secure them in the up position. 9.
Replacing the Grass Deflector Cleaning Cleaning under the Mower WARNING Service Interval: Before each use or daily 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. Do not operate the lawn mower unless you install a cover plate, mulch plate, grass deflector, or bagger. 1. 2. Remove the locknut, bolt, spring, and spacer holding the deflector to the pivot brackets (Figure 104). 1.
Storage B. Run the engine to distribute conditioned fuel through the fuel system (5 minutes). Cleaning and Storage C. Shut off the engine, allow it to cool, and drain the fuel tank; refer to Servicing the Fuel Tank (page 47). D. Restart the engine and run it until it stops. E. Dispose of fuel properly. Recycle as per local codes. 1. 2. Disengage the blade-control switch (PTO), set the parking brake, and turn the ignition key to Off. Remove the key.
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-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.
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.
