Form No. 3323–432 Z–Mastert 250 Series Liquid Cooled Z252L with 52I SFS Side Discharge Mower Model No.
Introduction Thank you for purchasing a Toro product. All of us at Toro want you to be completely satisfied with your new product, so feel free to contact your local Authorized Service Dealer for help with service, genuine replacement parts, or other information you may require. Whenever you contact your Authorized Service Dealer or the factory, always know the model and serial numbers of your product.
Contents Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safe Operating Practices . . . . . . . . . . . . . . Toro Mower Safety . . . . . . . . . . . . . . . . . . Slope Chart . . . . . . . . . . . . . . . . . . . . . . . . . Safety and Instruction Decals . . . . . . . . . . Gasoline and Oil . . . . . . . . . . . . . . . . . . . . . . . . Recommended Gasoline . . . . . . . . . . . . . . Using Stabilizer/Conditioner . . . . . . . . . . . Filling the Fuel Tank . . . . . . . . . . . .
Contents Mercury Tilt Switch Disposal . . . . . . . . . . Wiring Diagram . . . . . . . . . . . . . . . . . . . . . Wiring Diagram . . . . . . . . . . . . . . . . . . . . . 65 66 67 Cleaning and Storage . . . . . . . . . . . . . . . . . 68 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 69 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety This machine meets or exceeds CPSC blade safety requirements for rotary mowers and the B71.4 1999 specifications of the American National Standards Institute, in effect at time of production. Note: The addition of certain attachments that do not meet American National Standards Institute certification will cause noncertification of this machine. Improper use or maintenance by the operator or owner can result in injury.
Safety Operation • Never run an engine in an enclosed area. • Only operate in good light, keeping away from holes and hidden hazards. • Be sure all drives are in neutral and parking brake is engaged before starting engine. Only start engine from the operator’s position. Use seat belts if provided. • Slow down and use extra care on hillsides. Be sure to travel in the recommended direction on hillsides. Turf conditions can affect the machine’s stability. Use caution while operating near drop–offs.
Safety • Use care when checking blades. Wrap the blade(s) or wear gloves, and use caution when servicing them. Only replace blades. Never straighten or weld them. • Keep hands and feet away from moving parts. If possible, do not make adjustments with the engine running. • Charge batteries in an open well ventilated area, away from spark and flames. Unplug charger before connecting or disconnecting from battery. Wear protective clothing and use insulated tools.
Safety • Before operating a machine with ROPS (roll over protection) be certain the seat belts are attached to prevent the seat from pivoting forward. Slope Operation • When operating a machine with ROPS (roll over protection) always use seat belt. • Be certain that the seat belt can be released quickly if the machine is driven or rolls into ponds or water. • Check carefully for overhead clearances (i.e. branches, doorways, electrical wires) before driving under any objects and do not contact them.
Safety • Check brake operation frequently. Adjust and service as required. • Battery acid is poisonous and can cause burns. Avoid contact with skin, eyes and clothing. Protect your face, eyes and clothing when working with a battery. • Battery gases can explode. Keep cigarettes, sparks and flames away from battery. • Hydraulic fluid escaping under pressure can penetrate the skin and cause injury. Use cardboard or paper to find hydraulic leaks.
Safety 8
Safety Slope Chart Read all safety instructions on pages 5–7.
10
Safety Safety and Instruction 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. TOP OF CONSOLE UNDER SEAT (Part No. E513747) ON RIGHT SIDE OF HEIGHT OF CUT PLATE (Part No E633345) TOP OF CONSOLE UNDER SEAT (Part No. E643372) ON TILT SWITCH (Part No. E643401) ON LEFT SIDE OF HEIGHT–OF–CUT PLATE (Part No E633706) ON TOP OF CONSOLE LEFT AND RIGHT SIDES (Part No.
Safety UNDER FOOTREST (Part No. E633766) ON RUBBER FLAP BEHIND SEAT (Part No. E513748) ON RUBBER FLAP BEHIND SEAT (Part No. E643252) WARNING ROTATING MECHANICAL DEVICES! STOP ENGINE BEFORE REACHING UNDERNEATH ON TOP OF RIGHT ENGINE BAFFLE (Part No. E643339) E643252 RUBBER FLAP BEHIND SEAT (Part No. E633462) ON CONTROL PANEL (Part No.
Safety ON LEFT SIDE GAS TANK (Part No. 99–4612) ON DECK SUPPORT FRAME (Part No. E633818) ON RADIATOR TRIM PLATE (Part No. 65–2690) ON TOP OF HYDRAULIC RESERVOIR (Part No. E523552) ON HYDRAULIC RESERVOIR MOUNTING BRACKET (Part No. E513929) ON RADIAOR FAN MOUNTING PLATE (Part No. E643253) CAUTION ROTATING BLADES! STOP ENGINE BEFORE REACHING UNDERNEATH.
Safety ON RIGHT SIDE OF MOWER (Part No. 66-1340) UNDER DEFLECTOR (Part No. 66-6380) ON DEFLECTOR (Part No. 54-9220) ON LEFT SIDE OF MOWER (Part No. 43-8480) UNDER FOOTREST AND (3) UNDER PULLEY COVERS (Part No. 98–5954) (2) ON BELT COVERS (Part No. 67-5360) NEXT TO ANTIĆSCALP ROLLER (Part No. 98-3798) ON TOP CENTER OF MOWER (Part No. 98-3799) ON LEFT FRONT OF MOWER (Part No.
Gasoline and Oil Recommended Gasoline Use UNLEADED Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded regular gasoline may be used if unleaded regular is not available. IMPORTANT: Never use methanol, gasoline containing methanol, or gasohol containing more than 10% ethanol because the fuel system could be damaged. Do not mix oil with gasoline. POTENTIAL HAZARD • In certain conditions gasoline is extremely flammable and highly explosive.
Gasoline and Oil Filling the Fuel Tank POTENTIAL HAZARD • Gasoline is harmful or fatal if swallowed. Long–term eposure to vapors has caused cancer to laboratory animals. 1. Shut the engine off and set the parking brake. 2. Clean around each fuel tank cap and remove the cap. Add unleaded regular gasoline to both fuel tanks, until the level is 1/4 to 1/2 inch (6 mm to 13 mm) below the bottom of the filler neck. This space in the tank allows gasoline to expand. Do not fill the fuel tanks completely full.
Assembly Loose Parts Note: Use the chart below to verify all parts have been shipped. DESCRIPTION QTY.
Assembly Install Drive Wheels Install Seat Retaining Rod 1. Uncrate mower. 1. 2. Remove wheel nuts from rear wheel hubs. Tilt seat up. Remove 5/16” (8mm) locknut from bolt attaching seat retaining rod to seat frame (Fig. 2). 3. Align holes. Mount drive wheels with the valve stem to the outside of the traction unit. 2. 4. Secure using wheel nuts provided. Torque to 95ft–lbs (128 N M).
Assembly Install Motion Control Levers 1. Remove the (4) 3/8–16 x 1” (26 mm) bolts and (4) 3/8” spring washers which attach the motion control levers to the control arm shafts for shipping (Fig. 3). 2. Place the levers (with the mounting plate toward the rear) on the outside of the control arm shaft and secure with (4) 3/8–16 x 1” (26 mm) bolts and (4) 3/8” spring washers (Fig. 3). 3. Position the levers so the bolts are in the center of the slots on the lever mounting plate and tighten until snug.
Assembly Activate the Battery 7. Bulk electrolyte with 1.260 specific gravity must be purchased from a local battery supply outlet. Remove filler caps from the battery. Slowly pour electrolyte into each cell until the electrolyte level is up to the lower part of the tube (Fig. 5). 1 1. Tilt seat up and remove battery. 2. First disconnect the negative battery cable and ground wire from the negative (–) battery terminal. 3. Slide the red terminal boot off the positive (red) battery terminal.
Assembly Install Battery 1. Position battery in tray with terminal posts toward the engine (Fig. 7). WHAT CAN HAPPEN • Battery gasses can explode. 2. First, install the positive (red) battery cable to positive (+) battery terminal. HOW TO AVOID THE HAZARD 3. Then install negative battery cable and ground wire to the negative (–) battery terminal. 4. Secure cables with (2) 1/4 x 3/4” (19 mm) bolts 1/4” washers and 1/4” locknuts (Fig. 7). 5.
Assembly Check Engine Oil Level Cooling System Before you start the engine and use the machine, check the oil level in the engine crankcase; refer to Checking Oil Level, page 42. Checking Radiator Coolant Check Side Discharge Chute Remove plastic tie holding side discharge chute up and lower into place. Check the Leveling of Mower Deck Check the level of the deck before the machine is first put in use. Refer to Mower Leveling and Compression Spring Adjustment in the Maintenance section on page 60.
Assembly POTENTIAL HAZARD • Rotating fan turns on and off unexpectedly and can cause injury. • Rotating shaft can cause injury. 1 WHAT CAN HAPPEN 2 • Fingers, hands or loose clothing can get caught by rotating fan and drive shaft. HOW TO AVOID THE HAZARD • Do not operate the machine without the covers in place. M-4378 • Keep fingers, hands and clothing clear of rotating fan and drive shaft. • Shut off the engine and remove the ignition key before performing maintenance. Figure 8 1. Radiator Cap 2.
Assembly Hydraulic System 1 Checking the Hydraulic Fluid Check the hydraulic fluid level before engine is first started. 2 3 Fluid Type: Mobil 1 15W–50 synthetic motor oil. IMPORTANT: Use only oil specified. Other fluids could cause system damage. M-4280 Figure 10 Hydraulic System Oil Capacity: 2.1 qt. (2.0 l) 1. Position machine on a level surface and set the parking brake. 2. Clean area around filler neck of hydraulic tank (Fig. 10). 3. Remove cap from filler neck.
Operation Think Safety First Parking Brake Please carefully read all the safety instructions on pages 3–8. Knowing this information could help you, your family, pets or bystanders avoid injury. Always set the parking brake when you stop the machine or leave it unattended. Setting the Parking Brake Controls 1. Move the motion control levers (Fig. 1) out to the neutral lock position. Become familiar with all the controls (Fig. 1) before you start the engine and operate the machine. 2.
Operation Releasing the Parking Brake 1. 6. Push forward and down on the parking brake lever to release the parking brake (Fig. 2). The parking brake is “DISENGAGED” and the lever rests against the brake stop. IMPORTANT: Do not engage starter for more than 10 seconds at a time. If engine fails to start allow 30 second cool-down period between attempts. Failure to follow these instructions can burn out starter motor. 1 7. 2 Turn ignition key to “START” to energize starter.
Operation 1. Move the throttle lever to “SLOW” (Fig. 5). Operating the Power Take Off (PTO) 2. Turn the ignition key to “OFF” and remove (Fig. 6). The power take off (PTO) switch engages and disengages power to the electric clutch. Stopping Note: If the engine has been working hard or is hot, let it idle for a minute before turning the ignition key “OFF.” This helps cool the engine before it is stopped. In an emergency, the engine may be stopped by turning the ignition key to “OFF.” 3.
Operation The Safety Interlock System Understanding the Safety Interlock System The safety interlock system is designed to prevent the engine from starting unless: • You are sitting on the seat • The parking brake is “ENGAGED” • The power take off (PTO) is disengaged “OFF” • The motion control levers are in neutral locked position The safety interlock system also is designed to stop the engine when the traction controls are moved from the locked position with the parking brake “ENGAGED” or if you r
Operation Driving Forward or Backward 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. Forward 1. Release the parking brake; refer to Releasing the Parking Brake, page 26. 2. Move levers to the center, un-locked position. 3. To go forward, slowly push the motion control levers forward (Fig. 8).
Operation Fuel Tanks The unit has two fuel tanks, one located on the left side and on the right side. Each tank connects to the fuel shut off valve in the control panel. From there a common fuel line leads to the engine (Fig. 10). POTENTIAL HAZARD • Machine can spin very rapidly by positioning one lever too far ahead of the other. WHAT CAN HAPPEN • Operator may lose control of the machine and cause injury or damage to machine. HOW TO AVOID THE HAZARD • Use caution when making turns.
Operation Adjusting Height-of-Cut Adjusting Anti-Scalp Rollers The height-of-cut is adjusted from 1-1/2” to 5” (38 to 127 mm) in 1/4” (6 mm) increments by relocating clevis pin in different hole locations. Whenever you change the height-of-cut it is recommended to adjust the height of the anti-scalp rollers. 1. Raise the height-of-cut lever to the transport position (also the 5” (127 mm) cutting height position) (Fig. 11). 1.
Operation Positioning the Seat .Pushing The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable. 1. To adjust, move the lever sideways to unlock seat (Fig. 13). 2. Slide the seat to the desired position and release lever to lock in position. the Machine by Hand IMPORTANT: Always push the machine by hand. Never tow the machine because hydraulic damage may occur. To Push the Machine 1.
Operation Transporting Machines Loading Machines Use a heavy–duty trailer or truck to transport the machine. Ensure that the trailer or truck has all necessary lighting and marking as required by law. Please carefully read all the safety instructions on pages 3–13. Knowing this information could help you, your family, pets or bystanders avoid injury. Use extreme caution when loading units on trailers or trucks.
Operation POTENTIAL HAZARD • Loading a unit on a trailer or truck increases the possibility of backward tip–over. WHAT CAN HAPPEN • Backward tip–over of the unit could cause serious injury or death. HOW TO AVOID THE HAZARD • Use extreme caution when operating a unit on a ramp. • Use only a single, full width ramp; DO NOT use individual ramps for each side of the unit. • If individual ramps must be used, use enough ramps to create an unbroken ramp surface wider than the unit.
Operation Tips for Mowing Grass Cutting Speed Fast Throttle Setting To improve cut quality, use a slower ground speed in certain conditions. For best mowing and maximum air circulation, operate the engine at “FAST.” Air is required to thoroughly cut grass clippings, so do not set the height-of-cut so low as to totally surround the mower by uncut grass. Always try to have one side of the mower free from uncut grass, which allows air to be drawn into the mower.
Maintenance Service Interval Chart Service Operation Each Use 8 Hours 25 Hours Hydraulic fluid–check level Initial Initial X Oil—check level 50 Hours 100 Hours 400 Hours X Initial X Oil Filter–change (200 hours or every other oil change)* Hydraulic filter–change Storage Service X X Oil—change* Safety System—check 200 Hours Initial X X X X X X X Chassis—grease* X X Linkage bushings—oil* X X Paper Air Cleaner—service* X X Paper Air Cleaner—replace* X X Spark Plug(s)—chan
Maintenance POTENTIAL HAZARD • If you leave the key in the ignition switch, someone could start the engine. WHAT CAN HAPPEN • Accidental starting of the engine could seriously injure you or other bystanders. HOW TO AVOID THE HAZARD • Remove the key from the ignition switch and pull the wire(s) off the spark plug(s) before you do any maintenance. Also push the wire(s) aside so it does not accidentally contact the spark plug(s).
Maintenance Inspecting the Blades Checking for Bent Blades 1. Inspect the cutting edges (Fig 15). If the edges are not sharp or have nicks, remove and sharpen the blades. Refer to Sharpening the Blades on page 39. 1. 2. Inspect the blades, especially the curved area (Fig. 15). If you notice any damage, wear, or a slot forming in this area (item 3 in Fig. 15), immediately install a new blade. Rotate the blades until the ends face forward and backward (Fig. 16).
Maintenance Sharpening the Blades POTENTIAL HAZARD • A blade that is bent or damaged could break apart and pieces could be thrown at bystanders or at you as you use the mower. POTENTIAL HAZARD • When sharpening blade, pieces of blade could be accidentally thrown. WHAT CAN HAPPEN • Pieces of blade that may be thrown could WHAT CAN HAPPEN • Thrown objects can cause serious eye injury. seriously injure or kill you or bystanders.
Maintenance Air Cleaner Installing the Blades 1. Install the blade onto the spindle shaft (Fig. 20). IMPORTANT: The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. 2. Paper Element: • Clean after 50 operating hours. • Replace after 300 operating hours. Install the spring disk and blade bolt. The spring disk cone must be installed toward the bolt head. (Fig. 20). Torque the blade bolt to 85–110 ft-lb (115–150 N m).
Maintenance Engine Oil Cleaning Paper Elements 1. Paper Element Change oil: A. Lightly tap the element on a flat surface to remove dust and dirt (Fig. 22). B. Inspect the element for tears, an oily film, and damage to the rubber seal. IMPORTANT: Never clean the paper element with pressurized air or liquids, such as solvent, gas, or kerosene. Replace the paper element if it is damaged, or cannot be cleaned thoroughly. 2 • After the first 8 operating hours. • After every 100 operating hours.
Maintenance Checking Oil Level Note: 1. Changing/Draining Oil Check oil when engine is cold. Replace the oil every 100 hours. Disengage the power take off (PTO) and turn the ignition key to “OFF” to stop the engine. Move controllers to neutral locked position and apply parking brake. Remove the key. 2. Clean around the oil dipstick so dirt cannot fall into the filler hole and damage the engine (Fig. 23). 3. Pull the oil dipstick out and wipe the metal end clean (Fig. 23). 4.
Maintenance Change Oil Filter Cooling System Replace the oil filter every 200 hours or every other oil change. Checking Radiator Coolant Note: Change oil filter more frequently when operating conditions are extremely dusty or sandy. POTENTIAL HAZARD • Coolant is hot and pressurized. • Radiator and surrounding parts are hot. 1. Drain the oil from the engine; refer to Changing/Draining Oil, page 42. 2. Remove the old filter and wipe the filter adapter (Fig. 25) gasket surface. 3.
Maintenance 3 POTENTIAL HAZARD • Rotating fan turns on and off unexpectedly and can cause injury. • Rotating shaft can cause injury. 1 WHAT CAN HAPPEN • Fingers, hands or loose clothing can get caught by rotating fan and drive shaft. HOW TO AVOID THE HAZARD • Do not operate the machine without the covers in place. • Keep fingers, hands and clothing clear of rotating fan and drive shaft. • Shut off the engine and remove the ignition key before performing maintenance. 2 M-4378 Figure 26 1.
Maintenance Changing Engine Coolant 3. With engine cool, drain coolant by loosening the drain cock in the right rear corner (Fig. 27) 4. The engine block may be drained by removing the radiator hose and/or drain plugs from the engine block (Fig. 28). Change engine coolant every 400 hours. POTENTIAL HAZARD • Rotating fan turns on and off unexpectedly and can cause injury. • Rotating shaft can cause injury. WHAT CAN HAPPEN • Fingers, hands or loose clothing can get Note: 5.
Maintenance 7. Remove the radiator cap and add 50/50 mixture of permanent antifreeze and water until completely full. 8. Wait 2 minutes and check if coolant stays up to full level. Add 50/50 mixture of permanent antifreeze and water until completely full, if required. Repeat until the coolant stays up to the full level. 9. With the radiator cap off, tilt the engine cover down and put the seat down. Start the engine. Run engine until it is warm. 10.
Maintenance Spark Plug Checking the Spark Plug Check the spark plug(s) after every 100 operating 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. Type: NGK BMR 4A (or equivalent) Air Gap: 0.026 in. (0.65 mm) 1.
Maintenance Fuel Filter Fuel Tank Replace the fuel filter after every 300 operating hours or yearly, whichever occurs first. Draining The Fuel Tank Replacing the Fuel Filter POTENTIAL HAZARD • In certain conditions gasoline is extremely flammable and highly explosive. Never install a dirty filter if it is removed from the fuel line. 1. Disengage the power take off (PTO) and turn the ignition key to “OFF” to stop the engine. Move controllers to neutral locked position and apply parking brake.
Maintenance 4. Pull the fuel line off fuel filter (Fig. 33). Open fuel shut-off valve and allow gasoline to drain into a gas can or drain pan. Note: 5. Now is the best time to install a new fuel filter because the fuel tank is empty. Install the fuel line onto the fuel filter. Slide the hose clamp close to the fuel filter to secure the fuel line (Fig. 33). 3 Greasing and Lubrication Lubricate the machine when shown on the CHECK SERVICE REFERENCE AID decal (Fig. 34).
Maintenance Where to Add Grease Lubricate the grease fittings as shown on the CHECK SERVICE REFERENCE AID decal (Fig. 34). Greasing the Bearings The cutting unit must be lubricated regularly. Refer to the Service Interval Chart on page 36. Grease with No. 2 general purpose lithium base or molybdenum base grease. IMPORTANT: Make sure cutting unit spindles are full of grease daily. 1. Stop the engine, set the parking brake, remove the key and disconnect the spark plug wire(s) from the spark plug(s). 2.
Maintenance Tire Pressure Wheel Hub Slotted Nut Maintain the air pressure in the front and rear tires as specified. Uneven tire pressure can cause uneven cut. Check the pressure at the valve stem after every 50 operating hours or monthly, whichever occurs first (Fig. 36). Check the tires when they are cold to get the most accurate pressure reading. Check after every 500 operating hours. Pressure: 13 psi (90 kPa) drive wheels and castor wheels. 1 The slotted nut needs to be torqued to 125 ft–lbs (169.
Maintenance Castor Pivot Bearing Adjustment Hydraulic System Check after every 500 operating hours or at storage, which ever comes first. Check the hydraulic fluid level before engine is first started. 1. Stop the engine, set the parking brake, remove the key and disconnect the spark plug wire(s) from the spark plug(s). Check the hydraulic fluid level after first 8 operating hours. 2. Remove dust cap from castor and tighten lock nut (Fig. 38). 3.
Maintenance Replacing the Hydraulic Filter 1 Change the hydraulic filter: 2 3 • After the first 8 operating hours. • After every 200 operating hours. • Use summer filter above 32 F (0 C) Use winter filter below 32 F (0 C) 1. Disengage the power take off (PTO) and turn the ignition key to “OFF” to stop the engine. Move controllers to neutral locked position and apply parking brake. Remove the key. M-4280 Figure 39 1. Cap 2. Baffle 3.
Maintenance 7. Remove plastic bag from tank opening and allow filter to fill with hydro fluid. 8. When fluid overflows filter turn the oil filter clockwise until the rubber gasket contacts the filter adapter, then tighten the filter an additional 1/2 turn (Fig. 41). 9. Bleeding Hydraulic System The traction system is self bleeding, however, it may be necessary to bleed the system if fluid is changed or after work is performed on the system. 1.
Maintenance Check Hydraulic Lines After every 100 operating hours, check hydraulic lines and hoses for leaks, loose fittings, kinked lines, loose mounting supports, wear, weather and chemical deterioration. Make necessary repairs before operating. Note: Keep areas around hydraulic system clean from grass and debris build up. POTENTIAL HAZARD • Hydraulic fluid escaping under pressure can penetrate skin and cause injury.
Maintenance 4 1 1 POTENTIAL HAZARD • Engine must be running so motion control adjustment can be performed. WHAT CAN HAPPEN • Contact with moving parts or hot surfaces may cause personal injury. 6 2 5 7 3 3 HOW TO AVOID THE HAZARD • Keep hands, feet, face, clothing and other body parts away from rotating parts, muffler and other hot surfaces. m–3800 Figure 42 1. 2. 3. 4. Neutral lock position Clevis pin in slot Nut Bolt 5. Pump rod 6. Double nuts 7. Jam Nut 2.
Maintenance 9. Repeat on opposite side of unit. Tighten locknuts against ball joints. POTENTIAL HAZARD • Electrical system will not perform proper safety shut off with jumper wire installed. WHAT CAN HAPPEN • Contact with moving parts may cause personal injury. HOW TO AVOID THE HAZARD • Remove jumper wire from wire harness connector and plug connector into seat switch when adjustment is completed. • Never operate this unit with jumper installed and seat switch bypassed. 10. Shut off unit.
Maintenance Adjustment Parking Brake Fuse Check parking brake for proper adjustment. Service Interval/Specification 1. Disengage brake lever (lever down). 2. Measure the length of the spring. Measurement should be 2.75” (70 mm) between washers (Fig. 45). The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check component/circuit for malfunction or short. 3.
Maintenance Battery Check the electrolyte level in the battery every 25 hours. Always keep the battery clean and fully charged. Use a paper towel to clean the battery case. If the battery terminals are corroded, clean them with a solution of four parts water and one part baking soda. Apply a light coating of grease to the battery terminals to prevent corrosion. IMPORTANT: Do not overfill the battery because electrolyte (sulfuric acid) can cause severe corrosion and damage to the chassis. 4.
Maintenance Mower Leveling 1. 2. Position mower on a flat surface. Stop the engine, set the parking brake, remove the key and disconnect the spark plug wire(s) from the spark plug(s). 8. Lift up on four (4) top chain attachment bolts, in the slots, to take slack out of chains and tighten flange lock nuts. (Deck is still supported by two rear and one front blocks under mower.) 9.
Maintenance Compression Spring Adjustment 1. Raise deck lift lever to the transport position, (Fig. 49). 2. Springs are compressed so the distance between the two large washers should be 10-1/4” (260 mm) (Fig. 50). 3. Adjust by turning nut in front of each spring (Fig. 50). Clockwise will shorten spring; counter–clockwise will lengthen spring.
Maintenance Replacing the PTO Drive Belt Note: Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and cracks are signs of a worn drive belt. Replace the PTO drive belt if any of these conditions are evident. 1. Stop the engine, set the parking brake, remove the key and disconnect the spark plug wire(s) from the spark plug(s). 2. Remove the clutch retaining strap from machine frame and unplug clutch terminal from wire harness (Fig. 52). 3.
Maintenance 9. If the fixed idler contacts the end of the adjustment slot and more belt tension is required, a small change in the lengthen the push arms can be made (Fig. 55). 10. To adjust push arms, loosen jam nut and rotate ball joint counterclockwise, one turn at a time. Adjust each side the same amount (Fig. 55). Note: Increase tension by lengthening the push arms and decrease tension by shortening push arms.
Maintenance Replacing the Grass Deflector Waste Disposal 1. Remove the locknuts, bolts and springs holding the deflector mounts to the pivot brackets (Fig. 58). Engine oil, hydraulic oil and engine coolant are pollutants to the environment. Dispose of these according to your state and local regulations. 2. If the pivot brackets need to be replaced, remove the carriage bolts and cone locknuts holding the old brackets to the top of the discharge opening, then install the replacement pivot brackets.
Maintenance Mercury Tilt Switch Disposal Several states have passed laws concerning the disposal of devices containing mercury. In all the remaining states it is advisable to follow similar procedures. The laws state that these sealed devices contain mercury and should not be placed in the garbage until the mercury is removed and reused, recycled or otherwise managed to insure that it does not become part of solid waste or waters.
Maintenance Wiring Diagram STARTER SOLENOID red FAN RELAY POWER yellow orange red blue red red STARTER RELAY brown yellow yellow RADIATOR TEMP SWITCH white blue 12 GA. white red red yellow red white 12 GA. white white 12 GA. red red 12 GA. 12 GA. red red 12 GA.
Maintenance Wiring Diagram CLUTCH ALTERNATOR orange white white Exciter Positive red yellow red white Negative SEAT SWITCH D blue white VOLTMETER orange ENGINE white TEMP GAGE orange IGNITION SWITCH FUEL PUMP orange grey grey light blue white white orange white orange orange black black yellow BATTERY blue white white light blue orange CLUTCH SWITCH red red yellow orange dark blue green light blue light blue green green green black light blue green light blue oran
Maintenance Cleaning and Storage 1. 2. Disengage the power take off (PTO), set the parking brake and turn the ignition key to “OFF” to stop the engine. Remove spark plug wire. Remove the key. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine and hydraulic system. Clean dirt and chaff from the outside of the engine’s cylinder head fins and blower housing. IMPORTANT: You can wash the machine with mild detergent and water.
Troubleshooting PROBLEM Starter does not crank Engine g will not start, starts hard, or f il to keep fails k running. i Engine g loses power. POSSIBLE CAUSES CORRECTIVE ACTION 1. Blade control (PTO) is ENGAGED. 1. Move blade control (PTO) to DISENGAGED. 2. Parking brake is not on. 2. Set parking brake. 3. Operator is not seated. 3. Sit on the seat. 4. Battery is dead. 4. Charge the battery. 5. Electrical connections are corroded or loose. 5.
Troubleshooting PROBLEM Engine g overheats. Machine does not drive. Abnormal vibration. Uneven cutting g height. g 70 POSSIBLE CAUSES CORRECTIVE ACTION 1. More coolant is needed. 1. Check and add coolant. 2. (3) air intake screens are dirty. 2. Clean with every use. 3. Restricted air flow into the engine. 3. Inspect and clean the radiator screen with every use. 4. Radiator fins are dirty. 4. Clean the radiator fins. 5. The crankcase oil level is incorrect. 5.
Troubleshooting PROBLEM Blades do not rotate. POSSIBLE CAUSES CORRECTIVE ACTION 1. Drive belt is worn, loose or broken. 1. Install new drive belt. 2. Drive belt is off pulley. 2. Install drive belt and check adjusting shafts and belt guides for correct position. 3. Deck belt is worn, loose or broken. 3. Install new deck belt. 4. Deck belt is off pulley. 4. Install deck pulley and check the idler pulley, idler arm and spring for correct position and function.
A OneĆYear Limited Warranty (A TwoĆYear Full Warranty for Residential Use) LCE What Is Covered By This Express Warranty? The Toro Company promises to repair any TORO Product used for commercial, institutional, or rental purposes if defective in materials or workmanship. The following time frames apply from the date of purchase: Product Warranty Period All Products . . . . . . . . . . . . . . . . . . 1 year All Spindles . . . . . . . . . . . . . . . . . . .
