Form No. 3400-708 Rev B Z Master® Commercial 3000 Series Riding Mower with 60in TURBO FORCE® Side Discharge Mower Model No. 74958—Serial No. 316000001 and Up Register at www.Toro.com.
This spark ignition system complies with Canadian ICES-002 Introduction 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.
Servicing the Air Cleaner .................................. 39 Servicing the Engine Oil.................................... 41 Servicing the Spark Plug................................... 44 Checking the Spark Arrester ............................. 45 Fuel System Maintenance ................................... 46 Servicing the Electronic Fuel-Injection System.......................................................... 46 Replacing the Low-Pressure Fuel Filter...................................................
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.
decal110-2068 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.
decal116-1716 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. 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. decal116-4858 116-4858 decal116-5988 decal117-3848 116-5988 1. Parking brake—engaged 117-3848 2. Parking brake—disengaged 1.
decaloemmarkt Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. decal117-3864 117-3864 1. Read the Operator’s Manual. 2. Fill to bottom of filler neck; warning—do not overfill the tank. 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.
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. 2. Height-of-cut 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 6). g027333 g008950 Figure 4 1. Height-of-cut deck-lift pedal 6. Roll bar 2. Transport lock 7. Seat belt 3. Parking-brake lever Figure 6 4. Safety-interlock symbols 2. Battery light 5. Low-fuel indicator light 3. Hour meter 8. Fuel cap 9. Mower deck 10. Caster wheel 4. Controls 5.
Specifications 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. Note: Specifications and design are subject to change without notice. Width: Ignition Switch This switch is used to start the mower engine and has 3 positions: Start, Run, and Off.
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. • Always place gasoline containers on the ground away from your vehicle before filling.
Using the Rollover-Protection System (ROPS) Add the correct amount of gasoline stabilizer/conditioner to the gasoline. Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline. To minimize the chance of varnish deposits in the fuel system, use fuel stabilizer at all times. WARNING To avoid injury or death from rollover: keep the roll bar in the fully raised, locked position and use the seat belt. Filling the Fuel Tank 1. Park the machine on level ground. 2.
DANGER Operating the machine on wet grass or steep slopes can cause sliding and loss of control. • Do not operate on slopes greater than 15 degrees. • Reduce speed and use extreme caution on slopes. • Do not operate the machine near water. DANGER Wheels dropping over edges can cause rollovers, which may result in serious injury, death, or drowning. Do not operate the machine near drop-offs.
Releasing the Parking Brake 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. Wear hearing protection when operating this machine. The use of protective equipment for eyes, ears, hands, feet, and head is recommended. g027335 Figure 11 Operating the Mower Blade-Control Switch (PTO) g009027 Figure 9 1.
Operating the Throttle Using the Fuel-Shutoff Valve You can move the throttle control between FAST and SLOW positions (Figure 14). The fuel-shutoff valve is located under the seat. Move the seat forward to access it. Always use the FAST position when turning on the mower deck with the blade-control switch (PTO). Close the fuel-shutoff valve for transport, maintenance, and storage. Ensure that the fuel-shutoff valve is open when starting the engine. g008946 Figure 14 Operating the Ignition Switch 1.
Starting and Stopping the Engine 6. 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. 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.
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 23). To stop, pull the motion-control levers to the NEUTRAL position. 1. Release the parking brake; refer to Releasing the Parking Brake (page 19). 2. Move the levers to the center, unlocked position. 3.
Stopping the Machine To stop 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 19). 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 Pin Mower deck size Height-of-cut range Increments 48-inch deck 38 to 127 mm (1-1/2 to 5 inches) 6 mm (1/4 inch) 52-inch and 60-inch decks 38 to 140 mm (1-1/2 to 5-1/2 inches) 6 mm (1/4 inch) 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 24 Transport-Lock Positions 1. Transport lock 3.
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. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. g027343 Figure 25 1. Deck-lift pedal 3. Transport lock 2. Height-of-cut pin g000942 Figure 26 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 32). 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 35). • Use extreme caution when operating a machine on a ramp.
g027996 Figure 36 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. • Check the torque on the wheel lug nuts. After the first 100 hours • 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.
Important: Refer to your engine owner’s manual for additional maintenance procedures. 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 Adding Light Oil or Spray Lubrication Grease more frequently when operating conditions are extremely dusty or sandy. Service Interval: Every 100 hours Grease Type: No.
Greasing the Mower 5. Grease the drive-belt idler arm (Figure 39). Service Interval: Every 50 hours—Grease the mower-deck spindles and idler arm. Yearly—Grease the pump-belt idler arm. Yearly—Grease the front caster pivots (more often in dirty or dusty conditions). Yearly—Repack the front caster-wheel bearings (more often in dirty or dusty conditions). 1. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and set the parking brake. 2.
Lubricating the Caster-Wheel Hubs 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. 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). Service Interval: Yearly 1. Shut off the engine, wait for all moving parts to stop, remove the key, and engage the parking brake.
Engine Maintenance 8. Gently slide the primary filter out of the air-cleaner body (Figure 44). Note: Avoid knocking the filter into the side of Servicing the Air Cleaner the body. 9. Service Interval: Every 150 hours—Inspect the primary filter and air-inlet screen. Remove the inner filter only if you intend to replace it. Important: Never attempt to clean the inner Every 300 hours/Yearly (whichever comes first)—Replace the primary air filter (more often in dirty or dusty conditions). filter.
Installing the Filters Important: To prevent engine damage, always operate the engine with both air filters and the cover installed. 1. If you are installing new filters, check each filter for shipping damage. Note: Do not use a damaged filter. 2. If you are replacing the inner filter, carefully slide it into the filter body (Figure 44). 3. Carefully slide the primary filter over the inner filter (Figure 44).
Servicing the Engine Oil Oil Type: Detergent oil (API service class SJ or higher) Oil Capacity: with a filter change, 1.7 L (58 oz); with no filter change, 1.4 L (48 oz) g008804 Viscosity: See the table below. g000238 Figure 45 Note: Use of synthetic oil having 5W-20 or 5W-30 rating is acceptable, up to 4° C (40° F). Note: Synthetic oils provide better starting in extreme cold below -23° C (-10° F).
Changing the Engine Oil 5. Service Interval: After the first 8 hours Every 100 hours (more often in dirty or dusty conditions). Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure 48). Note: Dispose of the used oil at a recycling center. 1. Start the engine and let it run for 5 minutes. Note: This warms the oil so that it drains better. 2. 3. 4.
Changing the Engine-Oil Filter Servicing the Engine-Oil Cooler Service Interval: Every 200 hours Service Interval: Every 200 hours Note: Change the engine-oil filter more frequently 1. when operating conditions are extremely dusty or sandy. Remove the bolts holding the oil cooler to the engine housing . 2. Clean the inside of the oil cooler with a brush. 3. Install the oil cooler to the engine housing. 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 42). 2.
Servicing the Spark Plug Service Interval: Every 200 hours—Check, clean and gap the spark plug. Make sure that the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench to remove and install the spark plug(s) and use a gapping tool/feeler gauge to check and adjust the air gap. Install a new spark plug(s) if necessary. g009922 Type : Champion® XC12YC, or equivalent Air Gap: 0.76 mm (0.030 inch) Removing the Spark Plug 1.
5. Checking the Spark Arrester Install the left hydraulic unit shroud (Figure 51). Checking the Spark Plug For a Model with a Spark Arrester Important: Replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, cracks or reuse is questionable. Service Interval: Every 50 hours WARNING 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.
Fuel System Maintenance WARNING Fuel-system components are under high pressure. The use of improper components can result in system failure, gasoline leakage, and possible explosion. Use only approved fuel lines and fuel filters. Servicing the Electronic Fuel-Injection System g008963 Figure 55 This machine contains an electronic fuel-injection system. It controls the fuel flow under different operating conditions. 1. Fuel filter 2.
Electrical System Maintenance 3. Disconnect the negative battery cable (black) from the negative (-) battery terminal (Figure 56). 4. Servicing the Battery Slide the red terminal boot off the positive (+) battery terminal and remove the positive (red) battery cable (Figure 56). 5. Remove the wing nut securing the battery clamp (Figure 56). 6. Remove the clamp (Figure 56). 7. Remove the battery (Figure 56).
Charging the Battery 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. WARNING Charging the battery produces gasses that can explode. Never smoke near the battery and keep sparks and flames away from battery. Important: Always keep the battery fully charged (1.265 specific gravity). This is especially important to prevent battery damage when the temperature is below 0°C (32°F).
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 68 and Figure 69. 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 70).
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 72). 5. Position the seat.
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 g026961 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 76 g017627 Figure 75 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 4. Ratchet 10. Install the belt guide on the idler arm (Figure 75). 11. Using the ratchet in the square hole, install the idler spring (Figure 75). Note: Make sure to seat the spring ends in the anchor grooves. 12. Install the belt covers (Figure 76).
Replacing the Hydraulic-Pump Drive Belt Controls System Maintenance 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. 4. Adjusting the Control-Handle Position There are 2 height positions for the control levers—high and low. Remove the bolts to adjust the height. Remove mower belt; refer to Replacing the Mower Belt (page 56). 1.
Note: The switch is a part of the seat assembly. 4. g009195 Figure 79 5. If the ends of the levers hit against each other, refer to Adjusting the Motion-Control Neutral-Lock Pivot (page 61). Adjusting the Motion-Control Linkage The pump-control linkages are located on either side of the fuel tank, below the seat. Rotate the pump linkage with a 1/2 inch wrench for fine-tuning adjustments so that the machine does not move in neutral. Make any adjustments for neutral positioning only.
5. Start the engine. 14. 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. Bring the motion-control levers into the NEUTRAL position. 8.
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 82 for adjustment options. Hydraulic Oil Type: Toro® HYPR-OIL™ 500 hydraulic oil or Mobil® 1 15W-50. 1. Loosen the jam nut. 2. Tighten or loosen the flanged nut to the desired feel. Important: Use oil specified.
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. Check the pressure of the drive tires.
g009196 Figure 87 1. 7.6 cm (3 inches) at position A is correct. 2. 8.3 cm (3-1/4 inches) at position B is correct. g027343 Figure 86 1. Deck-lift pedal 3. Transport lock 2. Height-of-cut pin 6. Insert the height-adjustment pin into the 7.6 cm (3 inch) height-of-cut location. 7. Release the transport lock and allow the deck to lower to the cutting height. 8. Raise the discharge chute. 9.
12. Note: For most conditions, adjust the back blade tip 4 mm (1/4 inch) higher than the front. To adjust the single-point system, loosen the 2 bolts at the bottom of the height-of-cut plate (Figure 89). 15. Torque the 2 bolts to 37 to 45 N∙m (27 to 33 ft-lb). 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 87. Note: The measurement should read 8.3 cm (3-1/4 inches) 17. Fine-tune the screw adjuster by turning it to get 8.
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 93).
Removing the Mower Deck Note: Install the spring-disk cone toward the bolt head. 3. Before servicing or removing the mower deck, lock out the spring-loaded deck arms. Torque the blade bolt to 115 to 150 N∙m (85 to 110 ft-lb). 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. g004536 1.
8. Raise the deck struts and secure them in the up position. 9. Slide the deck out to the right side of the machine. 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. Do not operate the lawn mower unless you install a cover plate, mulch plate, grass deflector, or bagger. g009038 Figure 97 1. Clutch pulley 2. Mower belt 5.
6. Cleaning Place 1 J-hook end of the spring around the grass deflector (Figure 99). Important: The grass deflector must be able Cleaning under the Mower to rotate. Lift the deflector up to the full open position and ensure that it rotates into the full down position. 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.
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 46). 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 malfunction indicator light (MIL) comes on. Possible Cause 1. The engine is too hot. 1. Turn the engine off and let it cool. 2. There is old gas in the gas tank. 3. The fuel-shutoff valve is not open completely. 4. The air cleaner is dirty. 2. Use new gas. 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 left or right (with levers fully forward). The machine does not drive. There is abnormal vibration. 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 Electrical Schematic
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Notes:
Notes:
The Toro Warranty Landscape Contractor Equipment (LCE) A Limited Warranty (see warranty periods below) Conditions and Products Covered The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to the original purchaser to repair the Toro Products listed below if defective in materials or workmanship.
