Form No. 3400-952 Rev B Z Master® Professional 6000 Series Riding Mower with 60in and 72in TURBO FORCE® Side Discharge Mower Model No. 74946—Serial No. 316000001 and Up Model No. 74947—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.
Greasing the Mower ......................................... 38 Lubricating the Caster-Wheel Hubs .................. 39 Engine Maintenance ........................................... 40 Servicing the Air Cleaner .................................. 40 Servicing the Engine Oil.................................... 42 Servicing the Spark Plug................................... 45 Checking the Spark Arrester ............................. 46 Fuel System Maintenance ...................................
Safety Troubleshooting ...................................................... 74 Schematics ............................................................. 77 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.
Preparation Make the necessary repairs before resuming operations. • Evaluate the terrain to determine what accessories • • • • Keep your hands and feet away from the cutting and attachments are needed to properly and safely perform the job. Only use accessories and attachments approved by the manufacturer. Wear appropriate clothing including: substantial slip-resistant footwear, safety glasses, and hearing protection. Tie back long hair and do not wear jewelry.
Maintenance and Storage Toro Mower Safety • Disengage drives, set the parking brake, stop The following list contains safety information specific to Toro products and other safety information that you must know. the engine, and remove the key or disconnect spark-plug wire. Wait for all movement to stop before adjusting, cleaning, or repairing. This product is capable of amputating hands and feet, and of throwing objects. Always follow all safety instructions to avoid serious injury or death.
Service • Do not store the machine or a fuel container inside where there is an open flame, such as near a water heater or furnace. • Keep the nuts and bolts tight, especially the blade-attachment bolts. • Never interfere with the intended function of a safety device or reduce the protection provided by a safety device. Check their proper operation regularly. • To best protect your investment and maintain optimal performance of your Toro equipment, count on Toro genuine parts.
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.
decal126-2055 126-2055 1. Wheel lug nut torque 129 N∙m (95 ft-lb) (4x) 2. Wheel hub nut torque 319 N∙m (235 ft-lb) 3. Read and understand the Operator’s manual before performing any maintenance, check torque after first 100 hours then every 500 hours thereafter. decal117-3864 117-3864 1. Read the Operator’s Manual. 2. Fill to bottom of filler neck; warning—do not overfill the tank. decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6.
decal127-0314 decal127-0326 127-0314 1. PTO switch 2. Maximum speed 3. Low speed 127-0326 4. High oil-temperature indicator 5. Low oil-pressure indicator 1. Read the Operator's Manual. 6. Malfunction-indicator light (MIL) 3. Remove the key from the ignition and read the Operator's Manual before performing maintenance or servicing the machine. 2. Height-of-cut decal131-4036 131-4036 1. Maximum drawbar pull 36 kg (80 lb) 2. Read the Operator's Manual. decal125-9383 125–9383 1.
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 Figure 4 g008950 Figure 6 1. Height-of-cut deck-lift pedal 6. Roll bar 2. Transport lock 3. Parking-brake lever 1. Fuel gauge (bars) 4. Safety-interlock symbols 7. Seat belt 2. Battery light 5. Low-fuel indicator light 8. Fuel cap 3. Hour meter 9. Mower deck 10. Caster wheel 4.
Blade-Control Switch (PTO) Low-Oil Pressure Indicator Light 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. This is the middle malfunction-indicator light (Figure 5).
Specifications Operation Note: Specifications and design are subject to Note: Determine the left and right sides of the machine from the normal operating position. change without notice.
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 2. Pull both knobs out and rotate them 90 degrees so they are not engaged (Figure 8). 3. Lower the roll bar to the down position (Figure 8). Before you start the engine and use the machine, check the oil level in the engine crankcase; refer to Checking the Engine-Oil Level (page 42). Breaking in a New Machine New engines take time to develop full power. Mower decks and drive systems have higher friction when they are new, placing additional load on the engine.
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 9 • 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.
Engaging the Blade-Control Switch (PTO) 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 with Horizon™ Technology Operating the Ignition Switch 1. There are 3 positions that the throttle switch can operate at—Max, Economy, and Low (Figure 15). Turn the ignition key to the START position (Figure 16). Note: When the engine starts, release the key. From the ECONOMY (middle) position, push down the front of the switch to place the throttle into the MAXIMUM position (Figure 15). Important: Do not engage the starter for more than 5 seconds at a time.
g008948 Figure 17 1. On 2. Off Starting and Stopping the Engine g027416 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 18). 5. Move the throttle switch to the middle position between the front and rear positions.
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 1. Off 2. Run 3.
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 or Backward Driving Forward Note: The engine shuts off if you move the traction-control levers with the parking brake engaged. The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Place the throttle control in the MAXIMUM SPEED (front) position for best performance. Always operate in the full throttle position when mowing. To stop, pull the motion-control levers to the NEUTRAL position. CAUTION Machine can spin very rapidly.
Driving Backward Stopping the Machine 1. Move the levers to the center, unlocked position. 2. To go backward, slowly pull the motion-control levers rearward (Figure 24). 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 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 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.
Positioning the Seat Changing the Seat Suspension The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable. The seat adjusts to provide a smooth and comfortable ride. Position the seat where you are most comfortable. To adjust the seat, move the lever sideways to unlock seat (Figure 33). To adjust the seat, turn the knob in front either direction to provide the best comfort (Figure 35).
1. 2. Using the Side Discharge 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. The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. Rotate the release-valve levers vertically to push the machine (Figure 36).
Transporting the Machine Loading 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. 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.
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. • Ensure that the ROPS is in the up position and use the seat belt when loading or unloading the machine. Ensure that the ROPS clears the top of an enclosed trailer. • Use only a full-width ramp; do not use individual ramps for each side of the machine.
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.
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 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.
5. Lubricating the Caster-Wheel Hubs Grease the drive-belt idler arm (Figure 41). Service Interval: Yearly 1. Stop the engine, wait for all moving parts to stop, remove the key, and engage the parking brake. g009030 g006115 Figure 42 Figure 44 1. Seal guard 6. 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.
4. Clean the inside of the air-cleaner cover with compressed air. 5. Gently slide the primary filter out of the air-cleaner body (Figure 45). Note: Avoid knocking the filter into the side of the body. 6. Remove the safety filter only if you intend to replace it. Important: Do not attempt to clean the safety filter. If the safety filter is dirty, then the primary filter is damaged. Replace both filters. 7.
Servicing the Engine Oil Oil Type: Detergent oil (API service class SJ or higher) Oil Capacity: with a filter change, 2.9 L (99 oz) Viscosity: See the table below. g024123 Figure 47 g016165 Figure 46 1. Air-cleaner cover 2. Throttle mechanism 5. Note: Use of synthetic oil having 5W-30 rating is acceptable up to 4° C (40° F). 3. Breathe valve Note: Synthetic oils will provide better starting in extreme cold below -23° C (-10° F). Secure the cover with the latches (Figure 46).
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 50). Service Interval: Every 200 hours (more often in dirty or dusty conditions). 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 43). 2. Change the engine-oil filter (Figure 51). g008804 g027660 Figure 50 6. Start the engine and drive to a flat area. 7. Check the oil level again.
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 52). 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 56 This machine contains an electronic fuel-injection system. It controls the fuel flow under different operating conditions. 1. Fuel filter 2.
Electrical System Maintenance WARNING Incorrect battery cable routing could damage the machine and cables, causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. • 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 the battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 57). 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 57). 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. Check the tires when they are cold to get the most accurate pressure reading.
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 69 and Figure 70. 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 Screen Cooling System Maintenance Service Interval: Before each use or daily Before each use, remove any buildup of grass, dirt, or other debris from the engine screen. This helps ensure adequate cooling, correct engine speed, and reduces the possibility of overheating and mechanical damage to the engine. Servicing the Engine-Oil Cooler Service Interval: Every 150 hours 1. Remove the top mounting screw and loosen the 2 side screws (Figure 71). 2. Remove the shroud (Figure 71). 3.
Cleaning the Hydraulic Units Service Interval: Before each use or daily 1. Disengage the blade-control switch (PTO) and set the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Move the seat forward. 4. Clean the debris and grass from the hydraulic units (Figure 74). 5. Position the seat. g016907 Figure 73 1. Oil filter 3. Battery 2. Left side bolts for the cooling-fan housing 4.
Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Check that the brake is adjusted properly before adjusting. 1. Drive the machine onto a level surface. 2. Disengage the blade-control switch (PTO), move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 3. 4. g026961 Figure 75 Left Side Shown Shut off the engine, wait for all moving parts to stop, and remove the key.
Belt Maintenance Inspecting the Belts Service Interval: Every 50 hours Replace the belt if it is worn. The signs of a worn belt include squealing while the belt is rotating; the blades slipping while cutting grass; and frayed edges, burn marks, and cracks on the belt. 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 78 g009039 Figure 79 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 79). 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. Stop 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 80). 4.
Adjusting the Motion-Control Linkage 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. 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.
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 84 for adjustment options. You can adjust the top damper mounting bolt to obtain a more desired motion-control lever resistance. See Figure 83 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. Stop 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. g027343 5.
11. For mower decks shown in Figure 91, fine-tune the adjustment nut on the front deck-lift assembly by turning it (Figure 91). Note: To increase the height, turn the adjustment nut clockwise; to decrease the height, turn the nut counterclockwise. Note: If the front deck links do not have enough adjustment to achieve accurate cut height, you can utilize the single-point adjustment to gain more adjustment. g009196 Figure 89 1. 7.6 cm (3 inches) at position A is correct 2. 8.
13. Servicing the Cutting Blades If the deck is too low, tighten the single-point adjustment bolt by rotating it clockwise. If the deck is too high, loosen the single point adjustment bolt by rotating it counterclockwise (Figure 93). To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, keep extra blades on hand.
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. Stop 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 95). 1. Hold the blade end using a rag or a thickly padded glove. 4.
2. Check the balance of the blade by putting it on a blade balancer (Figure 98). Removing the Mower Deck Note: If the blade stays in a horizontal position, Before servicing or removing the mower deck, lock out the spring-loaded deck arms. the blade is balanced and ready to use. WARNING Deck-lift-arm assemblies have stored energy. Removing the deck without releasing the stored energy can cause serious injury or death. g000277 Figure 98 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 100 1. Clutch pulley 2. Mower belt 5.
6. Cleaning Place 1 J-hook end of the spring around the grass deflector (Figure 102). 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. Stop 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. 1. 2. Disengage the blade-control switch (PTO), set the parking brake, and turn the ignition key to Off. Remove the key.
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. Paint all scratched or bare metal surfaces. Paint is available from your Authorized Service Dealer. 15. Store the machine in a clean, dry garage or storage area. 16. Remove the key from the ignition switch and keep it out of reach of children or other unauthorized users. 17.
Troubleshooting Problem Possible Cause Corrective Action The oil-temperature light is on and the engine rpm is low. 1. The engine-control unit has limited engine rpm, known as “limp” mode. 1. Check the engine-oil level. If the level is above the “add” line, contact an Authorized Toro Service Dealer. The oil-pressure light is on and the engine rpm is low. 1. The engine-control unit has limited engine rpm, known as “limp” mode. 1. Let the engine cool and check the engine-oil level.
Problem The engine does not start, starts hard, or fails to keep running. Possible Cause 1. The fuel tank is empty. 1. Fill the fuel tank. 2. The fuel-shutoff valve is closed. 3. The oil level in the crankcase is low. 4. The throttle is not in the correct position. 2. Open the fuel-shutoff valve. 3. Add oil to the crankcase. 4. Be sure that the throttle control is midway between the slow and fast positions. 5. Replace the fuel filter. 6. Contact an Authorized Service Dealer. 5.
Problem There is an abnormal vibration. Mowing is resulting in uneven cutting height. Possible Cause 1. The cutting blade(s) is/are bent or unbalanced. 1. Install new cutting blade(s). 2. The blade mounting bolt is loose. 3. The engine mounting bolts are loose. 4. The engine pulley, idler pulley, or blade pulley is loose. 5. The engine pulley is damaged. 6. The blade spindle is bent. 7. The motor mount is loose or worn. 2. Tighten the blade mounting bolt. 3. Tighten the engine mounting bolts. 4.
Schematics g024363 Electrical Schematic (Rev.
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.
