Form No. 3326–678 Z286E Z–Master with 72 SFS Side Discharge Mower Model No. 74241—210000001 & Up Operator’s Manual Pour obtenir gratuitement une version en français de ce manuel, écrivez à l’adresse ci-dessous. N’oubliez pas d’indiquer les numéros de modèle et de série de votre produit. The Toro Company, Attn: Parts Dept.
Warning Installing Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . Activate the Battery . . . . . . . . . . . . . . . . . . . . . . . Install Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installing Air Cleaner . . . . . . . . . . . . . . . . . . . . . . Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . Greasing the Bearings . . . . . . . . . . . . . . . . . . . . . Check Side Discharge Chute . . . . . . . . . . . . . . . . Check the Leveling of Mower Deck .
Throttle Lever Adjustment . . . . . . . . . . . . . . . . . Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mower Leveling . . . . . . . . . . . . . . . . . . . . . . . . . . Belt Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . Clean Under Deck . . . . . . . . . . . . . . . . . . . . . . . . Replacing the Deck Belt . . . . . . . . . . . . . . . . . . . Replacing the PTO Drive Belt . . . . .
Operation CAUTION, WARNING, or DANGER—“personal safety instruction.” Failure to comply with the instruction may result in personal injury or death. • Never run an engine in an enclosed area. • Only operate in good light, keeping away from holes and hidden hazards. Safe Operating Practices • 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.
Maintenance and storage Warning • Disengage drives, lower implement, set parking brake, stop engine and remove key or disconnect spark plug wire. Wait for all movement to stop before adjusting, cleaning or repairing. Engine exhaust contains carbon monoxide, which is an odorless, deadly poison that can kill you. It is also known to the State of California to cause birth defects. • Clean grass and debris from cutting units, drives, mufflers, and engine to help prevent fires. Clean up oil or fuel spillage.
Slope Operation • Do not try to stabilize the machine by putting your foot on the ground. 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. • Do not use a grass catcher on steep slopes. Heavy grass bags could cause loss of control or overturn the machine.
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. Top Of Console Under Seat (Part No. 103–0245) On Control Panel (Part No. 100-4311) On Right Side Of Height–of–cut Plate (Part No 1–633345) On Left Side Of Height–of–cut Plate (Part No 1–633706) 9 On Left Side Gas Tank (Part No.
Below Center Of Console (Part No. 103–0261) On Front Console (Part No. 98-4387) On Rubber Flap Behind Seat (Part No. 103–0368) Under Footrest (Part No. 1–633766) On Rubber Flap Behind Seat (Part No. 1–633462) Under Footrest And (3) Near Deck Mower Spindles (Part No. 98–5954) On Top Of Right Engine Baffle (Part No.
On Top Of Hydraulic Reservoir (Part No. 1–523552) On Hydraulic Reservoir Mounting Bracket (Part No. 1–513929) On Tilt Switch (Part No. 1–643401) On Panel Behind Left-hand Fuel Tank (Part No. E643288) On Deck Support Frame (Part No. 1–633818) On Z–Stand (Part No.
On Right Side Of Mower (Part No. 66-1340) On Deflector (Part No. 54-9220) On Left Side Of Mower (Part No. 43-8480) Next To Anti scalp Roller (Part No. 98-3798) On Left Front Of Mower (Part No. 93-7818) (2) On Belt Covers (Part No. 67-5360) On Top Center Of Mower (Part No.
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.
Assembly Loose Parts Note: Use the chart below to verify all parts have been shipped. Description Qty.
Install Motion Control Levers Installing Seat 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). 1. Remove seat from crate. 2. Position seat on the studs in the adjustable tracks (Fig. 5). 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.
Danger 4 Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. 2 • 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. • Follow all instructions and comply with all safety messages on the electrolyte container. 3 1 5. Remove battery from machine. 6. Place battery on a level surface.
4. Secure cables with (2) 1/4 x 3/4″ (19 mm) bolts 1/4” washers and 1/4″ locknuts (Fig. 8). 2 5. Slide the red terminal boot onto the positive (red) battery post. 6 6. Secure battery with J-bolts, hold down clamp and (2) 1/4″ washers and (2) 1/4″ wing nuts (Fig. 8). 5 1 2 3 7. Position drain tube away from belts and other parts to prevent corrosion. 9 5 4 11 4 2 7 6 7 m-4810 Figure 9 1. Air cleaner 2. Valve cover mounting screws 3. Air cleaner bracket 3 10 4. Air intake elbow 5.
7. Install cap on filler neck. 1 1 2 3 M-5036 Figure 11 M-4280 1. Spindles Figure 10 1. Cap 2. Baffle 3. Fluid level—full Check Side Discharge Chute Remove plastic tie holding side discharge chute up and lower into place. Warning Hydraulic fluid escaping under pressure can penetrate skin and cause injury. Check the Leveling of Mower Deck • 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.
Controls Operation Become familiar with all the controls (Fig. 1) before you start the engine and operate the machine. Think Safety First 3 2 1 6 8 Please carefully read all the safety instructions on pages 3–8. Knowing this information could help you, your family, pets or bystanders avoid injury. The use of protective equipment, such as but not limited to, for eyes, ears, feet and head is recommended.
Releasing the Parking Brake 2 1. 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. 1 1 m–4201 2 Figure 3 1. PTO—On 2. PTO—Off 3 m–4163 1 1 2 Figure 2 1. Parking brake—ON 2. Parking brake—OFF 3. Brake stop 3 2 Starting and Stopping the Engine M-4268 m–2720 Figure 4 Note: This machine does not have a manual choke.
Understanding the Safety Interlock System Operating the Power Take Off (PTO) The safety interlock system is designed to prevent the engine from starting unless: The power take off (PTO) switch engages and disengages power to the electric clutch. • You are sitting on the seat • The parking brake is “ENGAGED” Engaging the PTO • The power take off (PTO) is disengaged “OFF” 1. While seated in the seat, release pressure on the traction control levers and place in neutral.
Driving Forward or Backward 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. 1. Move levers to the center, unlocked position. 2. To go backward, slowly pull the motion control levers rearward (Fig. 7). To go straight, apply equal pressure to both motion control levers (Fig. 7).
Malfunction Indicator Light 1. Press your foot on the lift assist pedal while raising the height-of-cut lever to the transport position (also the 5″ (127 mm) cutting height position) (Fig. 10). The malfunction indicator light lets the user know there is a problem with the fuel injection system. 2. To adjust, remove hairpin cotter and clevis pin from height-of-cut bracket (Fig. 10).
1 2 1 4 3 2 5 m-4818 m–4161 Figure 11 1. Gage wheel 2. Stud 3. Spring disk Figure 12 4. Flange nut 5. Wheel nut and washer. Do not remove. 1. Seat suspension knob 2. Seat position adjustment Pushing the Machine by Hand Positioning the Seat Important Always push the machine by hand. Never tow the machine because hydraulic damage may occur. Seat Position To Push the Machine The seat can move forward and backward.
width ramp provides a surface for the frame members to contact if the unit starts to tip backward. If it is not possible to use one full width ramp, use enough individual ramps to simulate a full width continuous ramp. Ramp should be long enough so that the angles between the ramp and the ground and the ramp and the trailer or truck do not exceed 15 degrees. A steeper angle may cause mower deck components to get caught as the unit moves from ramp to trailer or truck.
4 3 1 2 1 m-5028 m-5022 Figure 14 1. Lift Assist Lever Figure 15 1. Z–Stand (rest position) 2. Latch Using the Z–Stand 3. Raise up and twist 4. Bottom of slot 3. Swing stand foot out front and slide stand towad machine, into the bottom of slot (Fig. 15). The Z–Stand is used for raising the front end of the machine. This allows for cleaning of the deck and removal of the blades. Warning 1 3 2 Unit could fall onto someone and cause serious injury or death.
Cut 1/3 of the Grass Blade Warning It is best to cut only about 1/3 of the grass blade. Cutting more than that is not recommended unless grass is sparse, or it is late fall when grass grows more slowly. Parking brake may not hold machine parked on Z–Stand and could cause personal injury or property damage. Mowing Direction Do not park on Z–Stand unless wheels are chocked or blocked. Alternate mowing direction to keep the grass standing straight.
Blade Maintenance Maintain a sharp blade throughout the cutting season because a sharp blade cuts cleanly without tearing or shredding the grass blades. Tearing and shredding turns grass brown at the edges, which slows growth and increases the chance of disease. Check the cutter blades daily for sharpness, and for any wear or damage. File 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.
Maintenance Recommended Maintenance Schedule Maintenance Service Interval After First Use Each Use Maintenance Procedure • Change engine oil • Check hydraulic fluid level • Change hydraulic filter • • • • • Check engine oil level Check safety system Check air cleaner filter minder1 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 • Service the spar
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. Cutting Blades Maintain sharp blades throughout the cutting season because sharp blades cut 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 20 2. Rotate the opposite ends of the blades forward. Measure from a level surface to the cutting edge of the blades at the same position as in step 1 above. The difference between the dimensions obtained in steps 1 and 2 must not exceed 1/8″ (3 mm).
3 Removing the Filter 5 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to “OFF” to stop the engine. Remove the key. Remove spark plug wire(s) and remove the key. 4 2 1 2. Release the latches on the air cleaner and pull the air cleaner cover off of the air cleaner body (Fig. 24). 3 4 3. Clean the inside of the air cleaner cover with compressed air. M-4226 4. Gently slide the primary filter out of the air cleaner body (Fig. 24).
1. If installing new filters, check each filter for shipping damage. Do not use a damaged filter. 2. Clean around the oil dipstick (Fig. 25) so dirt cannot fall into the filler hole and damage the engine. 2. If the safety filter is being replaced, carefully slide it into the filter body (Fig. 24). 3. Pull the oil dipstick and wipe the metal end clean (Fig. 25). 3. Carefully slide the primary filter over the safety filter (Fig. 24).
3 1 1 2 m-4812 Figure 26 m–1256 Figure 27 1. Oil drain plug 1. Oil filter 2. Gasket 3. Adapter 5. Slowly pour approximately 80% of the specified oil, on page 33, into the filler cap (Fig. 25). Now check the oil level; refer to Checking Oil Level, page 33. Slowly add additional oil to bring to “FULL” mark on dipstick. 5. Install the replacement oil filter to the filter adapter.
Installing the Spark Plug(s) 1. Install the spark plug(s). Make sure the air gap is set correctly. 2. Tighten the spark plug(s) to 20 ft-lb (27 N•m). 3. Push the wire(s) onto the spark plug(s) (Fig. 28). 1 Electronic Fuel Injection System 2 m–4811 This machine contains an electronic fuel injection system. It controls the fuel flow under different operating conditions. Figure 28 1. Spark plug wire 2.
4. Remove the filter from the fuel lines (Fig. 30). 5. Remove the filter from the fuel lines (Fig. 30). 5. Install a new filter and hose clamps close to the filter (Fig. 30). 6. Remove high pressure fuel filter from R-clamp (Fig. 30). 6. Wipe up any spilled fuel. Open fuel shut-off valve on console. 7. Wet new fuel filter with gasoline. 2 8. Install a new filter and hose clamps close to the filter (Fig. 30). 4 9. Wipe up any spilled fuel. Open fuel shut-off valve on console.
4. Pull the fuel line off low pressure fuel filter (Fig. 31). Open fuel shut-off valve and allow gasoline to drain into a gas can or drain pan. 3. Connect a grease gun to the fitting. Pump grease into the fittings until grease begins to ooze out of the bearings. Note: Now is the best time to install a new fuel filter because the fuel tank is empty. 4. Wipe up any excess grease. 5. Install the fuel line onto the fuel filter. Install hose clamp close to the fuel filter to secure the fuel line (Fig. 31).
Greasing the Bearings Important grease daily. ÓÓ ÓÓ ÓÓ ÓÓ ÓÓ 2 The cutting unit must be lubricated daily; refer to the Recommended Maintenance Schedule on page 29. Grease with No. 2 general purpose lithium base or molybdenum base grease. Make sure cutting unit spindles are full of 1. Stop the engine, set the parking brake, remove the key and disconnect the spark plug wire(s) from the spark plug(s). 1 Figure 34 1. Engine screen 2. Oil cooler 2.
6. Torque the slotted nut to 125 ft-lbs (169.5 N m) (Fig. 36). 3 2 7. Tighten nut until the next set of slots line up with the hole in the shaft (Fig. 36). 1 8. Replace cotter pin. 1 4 M-4640 3 Figure 37 2 1. Spring washers 2. Lock nut Hydraulic System m-4638 Figure 36 1. Slotted nut 2. Two threads or less showing 3. Dust cap Checking the Hydraulic Fluid 3. Hole in threaded rod 4. Washer (if needed) Check the hydraulic fluid level before engine is first started.
3. Place drain pan under filter, remove the old filter and wipe the filter adapter gasket surface clean (Fig. 39). 1 2 3 1 M-4280 Figure 38 1. Cap 2. Baffle M-4763 3. Fluid level—full Figure 39 1. Hydraulic filter Warning 4. Apply a thin coat hydro fluid to the rubber gasket on the replacement filter (Fig. 40). Hydraulic fluid escaping under pressure can penetrate skin and cause injury. 5. Install replacement hydraulic filter onto the filter adapter. Do not tighten.
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.
will keep the pin at the end of the slot and allow the adjustment bolt to move the lever to the appropriate position). Warning Engine must be running so motion control adjustment can be performed. Contact with moving parts or hot surfaces may cause personal injury. 6. Tighten nut and jam nut. 7. Repeat on opposite side of unit. 4 1 Keep hands, feet, face, clothing and other body parts away from rotating parts, muffler and other hot surfaces. 1 2.
Replacing the Pump Drive Belt 4 5 Check pump drive belt for wear after every 50 hours of operation. 6 1. Pull spring loaded idler down and remove traction belt from the engine and hydro pump pulleys (Fig. 42). Remove belt between pulleys. 1 2. Install new belt around engine and hydro pump pulleys (Fig. 42). 2 3. Pull spring loaded idler down and align below traction belt. Release pressure on spring loaded idler (Fig. 42). Important m–3788 3 Figure 43 Spring loaded idler is under high tension. 1.
1. Raise the seat to gain access to fuse holder (Fig. 45). 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. 2. To replace fuses pull out on the fuse to remove it (Fig. 45).
1. Check the electrolyte level; refer to Checking Electrolyte Level, page 44. 6. Loosen four (4) top chain bolts in slots. Check the length of the rod/swivel assemblies. Distance from outside of rear swivel to outside of front swivel should be 19-17/32″ (496 mm) (Fig. 49). Make sure that all four swivels move freely in holes. 2. Remove the filler caps from the battery and connect a 3 to 4 amp battery charger to the battery posts. Charge the battery at a rate of 4 amperes or less for 4 hours (12 volts).
5. Using a socket and torque wrench, rotate the idler adjusting nut until torque is 25–30 ft-lb. (34–41 N m). Tighten two nuts. 3. Adjust by turning nut in front of each spring (Fig. 49). Clockwise will shorten spring; counterclockwise will lengthen spring. 4 1 Belt Inspection Inspect all belts every 100 hours. 1. Check belts for cracks, frayed edges, burn marks or any other damage. Replace damaged belts. 2 Clean Under Deck 3 Remove grass build up under deck daily. 1.
4 5 2 m–3748 3 2 1 Figure 51 1. Clutch 2. Clutch retaining strap 3. Clutch terminal 5 Figure 53 4. PTO belt 5. Machine frame 1. Center bolt, spring loaded idler 2. Alignment hole 9. If adjustment is required, loosen the fixed idler on right support plate and move up or down in adjustment slot (Fig. 54). To relieve belt tension lift up on spring loaded idler. 1 4 m–3744 1 M-4373 2 3 1 2 m–3746 m–4311 Figure 52 1. Clutch pulley 2. PTO drive belt 3. Drive belt idler pulley Figure 54 4.
3 8 1 6 1 4 2 3 2 5 1 m–3740 Figure 55 1. Push arm 2. 15″ (381 mm) nominal 7 3. Jam nut 4. Ball joint m-5037 Figure 56 Replacing the Grass Deflector 1. 2. 3. 4. 5. Warning Bolt Spacer Locknut Spring Spring installed 6. Grass Deflector 7. Place behind deck edge before installing bolt 8. Hook end of spring 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.
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. Management and disposal practices must be within relevant federal, state or local laws. Return the switch to your Toro dealer if it is faulty and is being replaced or if the unit containing the switch is no longer operating and is being scrapped. If the switch is damaged or broken open use extreme caution in handling.
PTO CLUTCH VIO VIO P1–A OR T Y BU LAMP GN HOUR METER BK FUEL PUMP Y SW5 BK BN PK R Y K1 (START RELAY) P2–C T OR R GN BK P1–B SW6 (SEAT) SHOWN WITH OPERATOR IN SEAT DELAY MODULE P1–C PK TERMINAL VIEW FROM BACK OF SWITCH OR BN PK PK B SHOWN WITH LEVER IN (NEUTRAL) NEUTRAL POSITION W SHOWN WITH SW4 LEVER IN (NEUTRAL) NEUTRAL POSITION SHOWN WITH PARK BRAKE DISENGAGED GND BK BK BN SW3 (BRAKE) Y SHOWN IN OFF POSITION GY BN SW2 (PTO) S I B A KEY SW Y X X 2 5 +
Cleaning and Storage B. Run engine to distribute conditioned fuel through the fuel system (5 minutes). 1. 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. C. Stop engine, allow to cool and drain the fuel tank; refer to Fuel Tank, page 36. D. Restart engine and run it until it stops. 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.
PROBLEM Malfunction Indicator Light (MIL) comes on. POSSIBLE CAUSES CORRECTIVE ACTION 1. Old gas in gas tank or fuel shut off valve not open completely. 1. Use new gas and ensure shut off valve is open. 2. Fuel tank vent cap is blocked. 2. Make sure fuel tank vent cap is not blocked and working properly. 3. Air cleaner is dirty. 3. Make sure air cleaner and precleaner is clean. Replace if necessary. 4. Incorrect fuel filters used or dirty fuel filters. 4.
The Toro Total Coverage Guarantee LCE A One-Year Limited Warranty Conditions and Products Covered 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.