Form No. 3326–825 Z253 Z Master with 62 SFS Side Discharge Mower Model No.
Warning Checking the Hydraulic Fluid . . . . . . . . . . . . . . . Greasing the Bearings . . . . . . . . . . . . . . . . . . . . . Checking the Side Discharge Chute . . . . . . . . . . Checking the Level of Mower Deck . . . . . . . . . . Checking the Engine Oil Level . . . . . . . . . . . . . . Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Think Safety First . . . . . . . . . . . . . . . . . . . . . . . . Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mercury Tilt Switch Disposal . . . . . . . . . . . . . . . Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . Cleaning and Storage . . . . . . . . . . . . . . . . . . . . . . Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The Toro Total Coverage Guarantee . . . . . . . . . . . . . Page 47 48 49 50 52 Warning, and Caution are signal words used to identify the level of hazard. However, regardless of the hazard, be extremely careful.
• Never let children or untrained people operate or service the equipment. Local regulations may restrict the age of the operator. • Never operate with the discharge deflector raised, removed or altered, unless using a grass catcher. • Do not change the engine governor setting or overspeed the engine. • The owner/user can prevent and is responsible for accidents or injuries occurring to himself or herself, other people or property.
• Disconnect battery or remove spark plug wire before making any repairs. Disconnect the negative terminal first and the positive last. Reconnect positive first and negative last. • Stop the engine before removing the grass catcher or unclogging the chute. • 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. • Watch for traffic when operating near or crossing roadways.
• 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 mow slopes exceeding 15 degrees. • Avoid turning on slopes. If you must turn, turn slowly and gradually downhill, if possible. • Do not mow near drop-offs, ditches, or embankments. The machine could suddenly turn over if a wheel goes over the edge of a cliff or ditch, or if an edge caves in. • Do not mow on wet grass.
Slope Chart 7
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.
98–5954 66–1340 104–8569 43–8480 1–633766 54–9220 1–633818 10
1–643401 1–633462 1–643339 1–523552 1–513929 67–5360 104–7759 98–3798 93–7818 103–0368 11
104–4163 99–4686 103–0245 100–4311 12
104–4164 13
Gasoline and Oil Warning Gasoline is harmful or fatal if swallowed. Long–term exposure to vapors can cause serious injury and illness. 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. • Avoid prolonged breathing of vapors. • Keep face away from nozzle and gas tank or conditioner opening. • Keep gas away from eyes and skin.
Setup Loose Parts Note: Use the chart below to verify all parts have been shipped. Description Qty. Use Rear Wheels 2 Retaining rod 1 Bolt, 5/16-18 x 1 in. 1 Locknut, 5/16 1 Control lever, right 1 Control lever, left 1 Bolt, 3/8-1 x 1 in. 4 Spring washer, 3/8 in.
2. Remove retaining rod from seat and insert the L shaped end of the rod into the hole directly above the left–side hydraulic pump (Fig. 3). 3. Place the seat retaining rod to the outside of the mounting tab of the seat frame and secure with a bolt (5/16 x 1 in.) bolt and locknut 5/16 in. (Fig. 3). 2 1 4 4. Tighten until snug, then loosen so the rod pivots freely. 5 1 2 6 3 m–5596 Figure 4 1. Mounting plate 2. Bolt, 3/8 x 1 in. 3. Spring washer, 3/8 in. 4. Top hole 5. Middle hole 6. Bottom hole 5.
Danger Warning Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. Charging battery produces gasses that can explode and cause serious injury. • Do not drink electrolyte and avoid contact with skin, eyes or clothing. Wear safety glasses to shield your eyes and robber gloves to protect your hands. • Fill the battery where clean water is always available for flushing the skin.
4. If there is no fluid, add fluid to reservoir approximately a 1/4 in. (6 mm) below the top of baffle. 3. Place air cleaner onto engine and align holes in air cleaner bracket with holes in valve covers (Fig. 8). 4. Install valve cover screws into air cleaner bracket and valve covers (Fig. 8). 5. Run the machine 15 minutes to allow any air to purge out of the system and warm fluid. 5. Remove plastic plugs from air intake elbow on engine and air cleaner hose (Fig. 8). 6.
Grease with No. 2 general purpose lithium base or molybdenum base grease. Caution 1. Grease the fittings on the three spindle bearings. Grease until it comes out lower seals (Fig. 10). This machine produces sound levels in excess of 85 dBA at the operators ear and can cause hearing loss through extended periods of exposure. 1 Wear hearing protection when operating this machine. 1 2 M- Figure 10 Figure 11 1. Spindles 1. Caution Checking the Side Discharge Chute Controls 2.
Using the Hour Meter Warning 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. Parking brake may not hold machine parked on a slope and could cause personal injury or property damage. 1 Do not park on slopes unless wheels are chocked or blocked Releasing the Parking Brake m–3077 Figure 13 1. Push forward and down on the parking brake lever release the parking brake (Fig. 15).
2. Turn the ignition key to off (Fig. 19). 6. Turn ignition key to start. When engines starts, release key. 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. 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.
The Safety Interlock System engine is running, release the parking brake, engage the PTO and rise slightly from the seat; the engine should stop. Caution 4. Sitting on the seat, engage parking brake, move PTO switch off and move the motion control levers to neutral lock position. Now start the engine. While the engine is running, center either motion control and move (forward or reverse); the engine should stop. Repeat for other motion control.
Adjusting the Height-of-Cut To stop pull the motion control levers to neutral. The height-of-cut is adjusted from 1-1/2 to 5 in. (38 to 127 mm) in 1/4 in. (6 mm) increments by relocating clevis pin in different hole locations. 2 3 1. Raise the height-of-cut lever to the transport position (also the 5-1/2 in. (140 mm) cutting height position) (Fig. 22). 1 4 2. To adjust, remove hairpin cotter and clevis pin from height-of-cut bracket (Fig. 22). m–2715 3.
Pushing the Machine by Hand 5. Repeat adjustment on other gage wheels. Important Always push the machine by hand. Never tow the machine because hydraulic damage may occur. Pushing the Machine 1. Disengage the power take off (PTO) and turn the ignition key to off. Move levers to neutral locked position and apply parking brake. 1 4 2. Rotate the by-pass valves counterclockwise 1 turn to push. This allows hydraulic fluid to by-pass the pump enabling the wheels to turn (Fig. 25).
• Securely fasten the machine to the trailer or truck with straps, chains, cable, or ropes. Warning • Secure a trailer to towing vehicle with safety chains. Loading a unit onto a trailer or truck increases the possibility of backward tip–over and could cause serious injury or death. Warning • 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.
8. Perform maintenance. 4 9. Remove chocks or blocks. Driving off the Z Stand 1. Raise latch to unlocked position (Fig. 28). 2 2. Start engine and place at half throttle. Disengage parking brake. 5 1 3 3. Slowly drive backwards off of stand. m–5599 Figure 26 1. Z Stand 2. Latch 3. Bracket 4. Return stand to its rest position (Fig. 26). 4. Bracket Pin 5. Bottom of slot 4 3 2 1 1 3 2 m–5601 Figure 28 m–5600 1. Z Stand 2. Latch Figure 27 1. Z Stand (Positioned in slot) 3. Locked position 4.
Mowing Direction down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine TORO replacement blade. Alternate mowing direction to keep the grass standing straight. This also helps disperse clippings which enhances decomposition and fertilization. Mow at Correct Intervals Normally, mow every four days. But remember, grass grows at different rates at different times.
Maintenance Recommended Maintenance Schedule Maintenance Service Interval After First Use Each Use Maintenance Procedure • Check hydraulic fluid level • Change engine oil • Change hydraulic filter • • • • Check oil level Check safety system Clean cooling systems1 Clean mower housing Every 5 Hours • Check cutting blades • Grease blade spindle bearings Every 25 Hours • • • • • Every 50 Hours • Check belts for wear/cracks • Check tire pressure Every 100 Hours • Change engine oil1 • Clean cooling sys
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 and disconnect the wire from the spark plug(s) before you do any maintenance. Set the wire aside so that it does not accidentally contact the spark plug. Servicing the Cutting Blades Maintain a sharp blade throughout the cutting season because a sharp blade cuts cleanly without tearing or shredding the grass blades.
Sharpening the Blades Warning MEASURE FROM CUTTING EDGE TO A LEVEL SURFACE When sharpening blade, pieces of blade could be thrown and cause serious injury. m–2539 Wear proper eye protection when sharpening blade. Figure 31 2. Rotate the opposite ends of the blades forward. 1. Use a file to sharpen the cutting edge at both ends of the blade (Fig. 32). Maintain the original angle. The blade retains its balance if the same amount of material is removed from both cutting edges. 3.
3 Removing the Filters 5 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to off. Remove the key. Remove spark plug wire(s). 4 2 2. Release the latches on the air cleaner and pull the air cleaner cover off of the air cleaner body (Fig. 35). 1 3 3. Clean the inside of the air cleaner cover with compressed air. 4 M-4226 4. Gently slide the primary filter out of the air cleaner body (Fig. 35). Avoid knocking the filter into the side of the body.
Installing the Filters 1. Disengage the power take off (PTO) and turn the ignition key to off. Move levers to neutral locked position and apply parking brake. Remove the key. Important To prevent engine damage, always operate the engine with both air filters and cover installed. 2. Clean around the oil dipstick (Fig. 36) so dirt cannot fall into the filler hole and damage the engine. 1. If installing new filters, check each filter for shipping damage. Do not use a damaged filter. 3.
3 1 1 2 M- Figure 37 m–1256 Figure 38 1. Oil drain plug 1. Oil filter 2. Gasket 3. Adapter 5. Pour approximately 80% of the specified amount of oil, on page 32, into the filler tube (Fig. 37). Now check the oil level; refer to Checking Oil Level, page 32. Slowly add additional oil to bring to full mark on dipstick. 5. Install the replacement oil filter to the filter adapter.
Cleaning the Cooling Systems Before each use, check and clean cooling screen. Remove any build–up of grass, dirt or other debris from the oil cooler screen and engine air intake. Every 100 hours clean oil cooler, engine cylinder and cylinder head cooling fins. Also clean around carburetor, governor levers and linkage. This will help insure adequate cooling to hydraulic pumps, motors and engine and will reduce the possibility of overheating and mechanical damage. 1 2 ÓÓ ÓÓ ÓÓ ÓÓ ÓÓ m–4811 Figure 39 1.
3. Loosen the hose clamp at the fuel filter and slide it up the fuel line away from the fuel filter (Fig. 44). 1. Disengage the power take off (PTO) and turn the ignition key to off. Move levers to neutral locked position and apply parking brake. Remove the key. 4. Pull the fuel line off fuel filter (Fig. 44). Open fuel shut-off valve and allow gasoline to drain into a gas can or drain pan. 2. Close fuel shut-off valve on console. 3.
1. Remove hex plug and cap. Thread a grease zerk into hole. Important grease daily. 2. Pump grease into zerk until it oozes out around top bearing. 1. Stop the engine, set the parking brake, remove the key and disconnect the spark plug wire(s) from the spark plug(s). 3. Remove grease zerk in hole. Reinstall hex plug and cap. Make sure cutting unit spindles are full of 2. Grease the fittings on the three spindle bearings until grease comes out lower seals (Fig. 46). Where to Add Grease 3.
Replacing the Hydraulic Filter 3. Remove cap from filler neck. Look inside to check if there is fluid in the reservoir (Fig. 47). Change the hydraulic filter: 4. If there is no fluid, add fluid to reservoir approximately a 1/4 in. (6 mm) below the top of baffle. • After the first 8 operating hours. • After every 200 operating hours. 5. Run the machine 15 minutes to allow any air to purge out of the system and warm fluid. 1. Disengage the power take off (PTO) and turn the ignition key to off.
Warning 1 3 Hydraulic fluid escaping under pressure can penetrate skin and cause injury. • If hydraulic fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this type of injury. Gangrene may result if this is not done. • Keep body and hands away from pin hole leaks or nozzles that eject high pressure hydraulic fluid. • Use cardboard or paper to find hydraulic leaks.
4. Loosen locknut at ball joint on pump control rod (Fig. 50). will keep the pin at the end of the slot and allow the adjustment bolt to move the lever to the appropriate position. Note: The front nut of each rod has left–hand threads. 6. Tighten nut and jam nut. 5. Start engine, open throttle 1/2 way and release parking brake; refer to Starting and Stopping the Engine, page 20. 7. Repeat on opposite side of unit. 4 1 6.
3. Pull spring loaded idler down and align below traction belt. Release pressure on spring loaded idler (Fig. 51). 4 5 6 1 2 m–3788 3 Figure 52 1. Brake lever 2. Spring 2.75 in. (70 mm) 3. Adjusting nuts Figure 51 Adjusting the Parking Brake 4. Collar on brake rod 5. 3/16–1/4 in. (5–7 mm) 6. Jam nut and yoke Servicing the Fuse Check parking brake for proper adjustment. Service Interval/Specification 1. Disengage brake lever (lever down). The electrical system is protected by fuses.
Servicing the Battery Danger Warning Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling. • Do not drink electrolyte and avoid contact with skin, eyes or clothing. Wear safety glasses to shield your eyes and robber gloves to protect your hands.
9 5 4 11 Warning 2 Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. 7 6 7 • Always Disconnect the negative (black) battery cable before disconnecting the positive (red) cable. • Always Reconnect the positive (red) battery cable before reconnecting the negative (black) cable . 3 8 10 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to off.
Charging the Battery Leveling the Mower 1. 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). Warning Charging the battery produces gasses that can explode. 2. Check tire pressure of all four (4) tires. If needed, adjust to 13 psi (90 kPa) Never smoke near the battery and keep sparks and flames away from battery. 3. Set anti–scalp rollers to top holes or remove them completely for this adjustment. 4.
2. Raise deck to the transport position. Note: When properly adjusted, the front blade tip will be slightly lower than the rear blade tip. See Checking for Bent Blades on page 29 to measure. 3. Raise front of machine by using the Z Stand. Refer to Z Stand operation on page 25. Danger 1 Unit could fall onto someone and cause serious injury or death. 3 4 2 • Use extreme caution when operating unit on Z Stand. • Use only for cleaning deck and removing blades.
4 1 6 6 4 5 7 m–4451 2 3 2 3 1 M- M- Figure 59 Figure 60 Top View 1. Deck belt 2. Idler arm 1. 2. 3. 4. 3. Idler nuts 4. Idler adjusting nut 6. Reinstall the PTO drive belt. Refer to Replacing the PTO Drive Belt, page 45. Clutch Clutch retaining strap Clutch terminal PTO belt 5. Machine frame 6. 1/4 in. belt twist 7. 1/8 in. belt twist 6. Check belt tension. The center bolt of spring loaded idler must be between the two alignment holes in left support plate (Fig 61).
7. If adjustment is required, loosen the fixed idler on right support plate and move up or down in adjustment slot. To relieve belt tension lift up on spring loaded idler. 1 3 1 1 2 2 m–3740 Figure 63 1. Push arm 2. 15 in. (381 mm) nominal m–3746 Figure 62 1. Fixed Idler 3. Jam nut 4. Ball joint 11. Rotate the belt guide, on rear of the mower, so it is 1/8–1/4 in. (3–7 mm) away from the vertical side of the PTO belt (Fig. 64). 2. Adjustment slot 8. Check belt tension again.
Replacing the Grass Deflector Mercury Tilt Switch The tilt switch on this unit contains mercury, a hazardous material. Mercury that is outside a sealed container vaporizes at room temperature. The vapors are harmful. Mercury can be absorbed through the skin. Do not attempt to open or repair this switch. Warning An uncovered discharge opening could allow the lawn mower to throw objects in the operator’s or bystander’s direction and result in serious injury. Also, contact with the blade could occur.
BK BK BN GND PTO CLUTCH VIO GY Y VIO SHOWN IN OFF POSITION SW5 Y SHOWN WITH LEVER IN (NEUTRAL) NEUTRAL POSITION W SHOWN WITH SW4 LEVER IN (NEUTRAL) NEUTRAL POSITION SHOWN WITH PARK BRAKE DISENGAGED SW3 (BRAKE) BN SW2 (PTO) OR BK P1–B K2 (START RELAY) P2–C T Y SW7 (TILT SW) SWITCH OPENS WHEN TILTED PAST 60 DEGREES FROM VERTICAL SW6 (SEAT SW) SHOWN WITH OPERATOR IN SEAT TERMINAL VIEW FROM BACK OF SWITCH P1–A DELAY MODULE 100–6186 P1–C PK S I A B KEY SW Y X GY GY BN PK PK
Cleaning and Storage A. Add a petroleum based stabilizer/conditioner to fuel in the tank. Follow mixing instructions from stabilizer manufacture. Do not use an alcohol based stabilizer (ethanol or methanol). 1. Disengage the power take off (PTO), set the parking brake and turn the ignition key to off. Remove spark plug wire. Remove the key. Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline and used at all times. 2.
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. Engine g overheats. 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.
Problem Machine does not drive. Abnormal vibration. Uneven cutting g height. g Blades do not rotate. Possible Causes Corrective Action 1. Traction belt is worn, loose or broken. 1. Contact Authorized Service Dealer. 2. Traction belt is off pulley. 2. Contact Authorized Service Dealer. 3. Hydro fluid level low. 3. Add hydro fluid to reservoir. 1. Cutting blade(s) is/are bent or unbalanced. 1. Install new cutting blade(s). 2. Blade mounting bolt is loose. 2. Tighten blade mounting bolt. 3.
The Toro Total Coverage Guarantee LCE A One-Year Limited Warranty Conditions and Products Covered Owner Responsibilities The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair any Toro Product used for commercial, institutional, or rental purposes if defective in materials or workmanship.
