FORM NO. 3321–672 Rev A Z–Master 250 Series Liquid Cooled Z252L with 52” SFS Side Discharge Mower Model No. 74211–990001 & UP Operator’s Manual IMPORTANT: Read this manual carefully. It contains information about your safety and the safety of others. Also become familiar with the controls and their proper use before you operate the product.
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 . . . . . . . . . . . . . . Slope Chart . . . . . . . . . . . . . . . . . . . . . . . . . Safety and Instruction Decals . . . . . . . . . . Gasoline and Oil . . . . . . . . . . . . . . . . . . . . . . . . Recommended Gasoline . . . . . . . . . . . . . . Stabilizer/Conditioner . . . . . . . . . . . . . . . . Filling the Fuel Tank . . . . . . . . . . . . . . . . . Check Engine Oil Level . . . . . . . . .
Contents 2
Safety This machine meets or exceeds CPSC blade safety requirements for rotary mowers and the B71.4 1990 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 General Operation 1. 2. Read, understand, and follow all instructions in the operator’s manual and on the machine before starting. Allow only responsible adults who are familiar with the instructions to operate the machine. 3. Clear the area of objects such as rocks, toys, wire, etc., which could be picked up and thrown by the blade. 4. Be sure the area is clear of other people before mowing. Stop the machine if anyone enters the area. 5. Never carry passengers. 6.
Safety Slope Operation Slopes and ramps are a major factor related to loss-of-control and tip-over accidents, which can result in severe injury or death. All slopes and ramps require extra caution. If you cannot back up the slope or if you feel uneasy on it, do not mow it. • Check carefully for overhead clearances (i.e. branches, doorways, electrical wires) before driving under any objects and do not contact them. DO NOT • Do not operate machine on hillsides or slopes exceeding 15°.
Safety 5. Never allow children to operate the machine. 6. Use extra care when approaching blind corners, shrubs, trees, the end of a fence or other objects that may obscure vision. Service 1. 2. Stop the engine and disconnect spark plug wire(s) before performing any service, repairs, maintenance or adjustments. Use extra care when handling gasoline and other fuels. They are flammable and vapors are explosive. A. Use only an approved container. B.
Safety Slope Chart Read all safety instructions on pages 4–6.
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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) ON LEFT SIDE OF HEIGHT–OF–CUT PLATE (Part No E633706) BELOW CENTER OF CONSOLE (Part No. E633346) ON TOP OF CONSOLE LEFT AND RIGHT SIDES (Part No. E633354) LEFT SIDE OF CONSOLE (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 BELOW FRONT OF ENGINE COVER (Part No. E633771) E643252 ON CONSOLE AND 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. POTENTIAL HAZARD • In certain conditions gasoline is extremely flammable and highly explosive. WHAT CAN HAPPEN 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.
Gasoline and Oil Stabilizer/Conditioner Filling the Fuel Tank Add the correct amount of gas stabilizer/conditioner to the gas. Using a stabilizer/conditioner in the machine: 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.
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 NSM).
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 5. 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 POTENTIAL HAZARD • Charging battery produces gasses. WHAT CAN HAPPEN • Battery gasses can explode. 1. Position battery in tray with terminal posts toward the engine (Fig. 7). 2. Install the positive (red) battery cable to positive (+) battery terminal first, then the negative battery cable and ground wire to the negative (–) battery terminal. 3. Secure cables with (2) 1/4 x 3/4” (19 mm) bolts 1/4” washers and 1/4” locknuts (Fig. 7). 4.
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 38. Checking Radiator Coolant Check Side Discharge Chute Remove plastic tie holding side discharge chute up and lower into place. POTENTIAL HAZARD • Coolant is hot and pressurized. • Radiator and surrounding parts are hot.
Assembly 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 1 2 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. 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 9 Hydraulic System Oil Capacity: 2.1 qt. (2.0 l) 1. Position machine on a level surface, stop the engine and set the parking brake. 2. Clean area around filler neck of hydraulic tank (Fig. 9). 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 24. 2. Move levers to the center, un-locked position. 3. To go forward, slowly push the motion control levers forward (Fig. 8).
Operation Instruments Adjusting Height-of-Cut Hour Meter 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. 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. 1 1. Raise the height-of-cut lever to the transport position (also the 5” (127 mm) cutting height position) (Fig. 11). 2.
Operation Adjusting Anti-Scalp Rollers Center Rollers Whenever you change the height-of-cut it is recommended to adjust the height of the anti-scalp rollers. Outer Rollers 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. 2. After adjusting height-of-cut remove flange nut and spring disk while holding stud with wrench (Fig. 12). Note: 3.
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. 14). 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 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 16). If the edges are not sharp or have nicks, remove and sharpen the blades. Refer to Sharpening the Blades on page 35. 1. 2. Inspect the blades, especially the curved area (Fig. 16). If you notice any damage, wear, or a slot forming in this area (item 3 in Fig. 16), immediately install a new blade. Rotate the blades until the ends face forward and backward (Fig. 17).
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 seriously injure or kill you or bystanders. injury.
Maintenance Air Cleaner Installing the Blades 1. Install the blade onto the spindle shaft (Fig. 21). 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. 21). Torque the blade bolt to 85–110 ft-lb (115–150 NSm).
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. 23). 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. 24). 3. Pull the oil dipstick out and wipe the metal end clean (Fig. 24). 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 38. 2. Remove the old filter and wipe the filter adapter (Fig. 26) gasket surface. 3. 4.
Maintenance 3 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. • 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 27 1.
Maintenance Changing Engine Coolant 3. With engine cool, drain coolant by loosening the drain cock in the right rear corner (Fig. 28) 4. The engine block may be drained by removing the radiator hose and/or drain plugs from the engine block (Fig. 29). 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. Shut off engine. 11.
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 Greasing and Lubrication Lubricate the machine when shown on the CHECK SERVICE REFERENCE AID decal (Fig. 33). Grease more frequently when operating conditions are extremely dusty or sandy. Where to Add Grease Lubricate the grease fittings as shown on the CHECK SERVICE REFERENCE AID decal (Fig. 33). Grease Type: General-purpose grease. How to Grease 1. Disengage the power take off (PTO) and turn the ignition key to “OFF” to stop the engine.
Maintenance Tire Pressure Fuel Filter 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. 34). Check the tires when they are cold to get the most accurate pressure reading. Replace the fuel filter after every 300 operating hours or yearly, whichever occurs first. Pressure: 13 psi (90 kPa) drive wheels and castor wheels.
Maintenance Fuel Tank 4. Draining The Fuel Tank Pull the fuel line off fuel filter (Fig. 36). Open fuel shut-off valve and allow gasoline to drain into a gas can or drain pan. Note: POTENTIAL HAZARD • In certain conditions gasoline is extremely flammable and highly explosive. 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. 36).
Maintenance Hydraulic System 1 Checking the Hydraulic Fluid Check the hydraulic fluid level before engine is first started. 2 3 Check the hydraulic fluid level after first 8 operating hours. Check the hydraulic fluid level after every 25 operating hours. Fluid Type: Mobil 1 15W–50 synthetic motor oil. M-4280 Figure 37 1. Cap 2. Baffle 3. Fluid level-Full IMPORTANT: Use only oil specified. Other fluids could cause system damage. System Capacity: 2.1 qt. (2.0 l) 1.
Maintenance Replacing the Hydraulic Filter 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. 39). 9. Clean up any spilled fluid. Change the hydraulic filter: • After the first 8 operating hours. • After every 200 operating hours.
Maintenance Bleeding Hydraulic System Check Hydraulic Lines 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. 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. 1.
Maintenance Adjusting Motion Controls 4 1 1 Adjusting Handle Neutral If motion control levers do not align, or move easily into the console notch, adjustment is required. Adjust each lever, spring and rod separately. Note: 1. 2. 6 Motion control levers must be installed correctly. See Install Motion Control Levers on page 17. Stop engine, remove ignition key and tilt seat forward. Begin with either the left or right motion control lever.
Maintenance 10. Disconnect electrical connector from the seat safety switch. Temporarily install a jumper wire across terminals in the wiring harness connector. 16. Repeat on opposite side of unit. Tighten locknuts against ball joints. 11. Loosen locknut at ball joint on pump control rod (Fig. 40). Note: The front nut of each rod has left–hand threads. 12. Start engine, open throttle 1/2 way and release parking brake. Refer to Starting and Stopping the Engine, page 24. 13.
Maintenance Replacing the Pump Drive Belt Adjustment Parking Brake Check pump drive belt for wear after every 50 hours of operation. Check parking brake for proper adjustment. 1. 2. 3. 1. Disengage brake lever (lever down). Pull spring loaded idler down and remove traction belt from the engine and hydro pump pulleys (Fig. 41). Remove belt between pulleys. 2. Measure the length of the spring. Measurement should be 2.75” (70 mm) between washers (Fig. 42).
Maintenance Fuse Service Interval/Specification The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check component/circuit for malfunction or short. Fuse: Main –20 amp, blade-type Alternator –30 amp, blade-type Fan–30 amp, blade-type 1. To gain access to the main fuse just raise seat. To gain access to the fan and alternator fuses raise seat and tilt engine cover forward . 2. To replace fuse, pull out on the fuse to remove it (Fig. 43 and 44).
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). 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. 46). 2. Springs are compressed so the distance between the two large washers should be 10-1/4” (260 mm) (Fig. 47). 3. Adjust by turning nut in front of each spring (Fig. 47). (clockwise will shorten spring, counter–clockwise will lengthen spring) Greasing the Bearings The cutting unit must be lubricated regularly. Refer to the Service Interval Chart on page 32. Grease with No.
Maintenance Replacing the Deck Belt Replacing the PTO Drive Belt Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and cracks are signs of a worn deck belt. Replace the deck belt if any of these conditions are evident. 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.
Maintenance Note: Check position of center bolt in Low Height of Cut. The center bolt must be at or below the top alignment hole. Check position of center bolt in a High Height of Cut. The center bolt must be at or above the lower adjustment hole (Fig 51). 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. 53). 10.
Maintenance Replacing the Alternator Belt Replacing the Grass Deflector Squealing when the belt is rotating, frayed belt edges, burn marks and cracks are signs of a worn belt. Replace the alternator belt if any of these conditions are evident. 1. Remove the locknuts, bolts and springs holding the deflector mounts to the pivot brackets (Fig. 56). 2.
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 D SEAT SWITCH 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 orange black gr
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 fails t keep k running. i Engine g loses power. p 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 64 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 . . . . . . . . . . . . . . . . . . .