Form No. 3326–721 Z286E Z–Master with 72 SFS Side Discharge Mower Model No. 74241—Serial No. 220000001 & 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 the Seat . . . . . . . . . . . . . . . . . . . . . . . . . Activating the Battery . . . . . . . . . . . . . . . . . . . . . Installing the Air Cleaner . . . . . . . . . . . . . . . . . . . Checking the Hydraulic Fluid . . . . . . . . . . . . . . . Greasing the Bearings . . . . . . . . . . . . . . . . . . . . . Checking the Side Discharge Chute . . . . . . . . . . Check the Level of the Mower Deck . . . . . . . . . . Checking the Engine Oil Level . . . . . . . . . . . . . . Operation . .
Servicing the Battery . . . . . . . . . . . . . . . . . . . . . . Adjusting the Mower Level . . . . . . . . . . . . . . . . . Cleaning Under the Deck . . . . . . . . . . . . . . . . . . . Inspecting the Belts . . . . . . . . . . . . . . . . . . . . . . . Replacing the Deck Belt . . . . . . . . . . . . . . . . . . . Replacing the PTO Drive Belt . . . . . . . . . . . . . . . Replacing the Grass Deflector . . . . . . . . . . . . . . . Waste Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . .
• 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.
1-643401 43-8480 1-633818 54-9220 98-3798 98-4387 1. Warning—wear hearing protection.
103-0368 93-7818 1. Warning—read the Operator’s Manual for instructions on torquing the blade bolt/nut to 115–149 N⋅m (85–110 ft.-lb.). 104-4163 1. Explosion hazard 2. No fire, open flames, or smoking. 3. Caustic liquid/chemical burn hazard 4. Wear eye protection 5. Read the Operator’s Manual. 6. Keep bystanders a safe distance from the battery. 99-4632 1. Engine—stop 2. Engine—run 3.
104-4164 1. Contains lead; do not discard. 2. Recycle 3. Wear eye protection; explosive gases can cause blindness and other injuries 4. No sparks, flame, or smoking 5. Sulfuric acid can cause blindness or severe burns. 6. Flush eyes immediately with water and get medical help fast. 103-2433 100-4311 12 7. Maximum fill line 8. Minimum fill line 9.
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 Control lever–right 1 Control lever–left 1 Bolt 3/8 x 1 in. 4 Spring washer 3/8 in.
Installing the Seat 2. Place the levers (with the mounting plate toward the rear) on the outside of the control arm shaft and secure them with 4 bolts (3/8 x 1 in.) and 4 spring washers (3/8 in.) (Fig. 3). 1. Remove seat from crate. 2. Position seat on the studs in the adjustable tracks (Fig. 5). 3. Position the levers so that the bolts are in the center of the slots on the lever mounting plate and tighten until snug. 3. Install nuts onto studs (Fig 5). 4.
2. Remove the top two valve cover mounting screws from both valve covers (Fig. 7). 4. Slowly pour electrolyte into each battery cell until the level is up to the upper line (Fig. 48) on the battery case. 3. Place air cleaner onto engine and align holes in air cleaner bracket with holes in valve covers (Fig. 7). Important Do not overfill the battery because electrolyte (sulfuric acid) can cause severe corrosion and damage to the chassis. 4.
1. Grease the fittings on the three spindle bearings. Grease until it comes out lower seals (Fig. 8). Caution 1 This machine produces sound levels in excess of 85dBA at the operator’s ear and can cause hearing loss through extended periods of exposure. Wear hearing protection when operating this machine. 1 2 M–5036 Figure 8 1. Spindles Figure 1 1. Caution Checking the Side Discharge Chute 2. Wear hearing protection Controls Remove plastic tie holding side discharge chute up and lower into place.
Using the Hour Meter 1 The hour meter records the number of hours the engine has operated. It operates when the engine is running. Use these times for scheduling regular maintenance. Figure 3 1 1. Shut-off valve Note: If the machine runs out of fuel, the fuel injection system may need the air bled out of the system. Contact an Authorized Service Dealer for this procedure. m–3077 Figure 2 1.
Starting and Stopping the Engine 1 1 2 Starting the Engine 3 Note: This machine does not have a manual choke. This machine is equipped with a electronic fuel injection (EFI) system. 2 1. Sit on the seat and move the motion controls to neutral locked position. M–4268 m–2720 2. Set the parking brake; refer to Setting the Parking Brake, page 18. Figure 6 Figure 7 1. Throttle—Fast 2. Throttle—Slow 3. Move the PTO (power take off) switch to off (Fig. 5). 1. Off 2. Run 3. Start 4.
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. 1. While seated in the seat, release pressure on the traction control levers and place in neutral.
Driving Forward or Backward Driving 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. 9). To go straight, apply equal pressure to both motion control levers (Fig. 9).
2. After adjusting height-of-cut, remove flange nut and spring disk while holding stud with wrench (Fig. 12). 1 Note: Do not remove the wheel nut and washer (Fig. 12). 3. Select hole so gage wheel is positioned to the nearest corresponding height-of-cut desired (Fig. 12). 2 4. Reinstall the flange nut and spring disk. Torque to 40–45 ft-lbs. (54.2–61.0 N m) (Fig. 12). 3 5. Repeat adjustment on other gage wheels. M–4164 Figure 10 1. Height-of-cut lever 2. Clevis pin 3.
1 1 2 m–5779 Figure 14 1. By-pass valve m–4818 Figure 13 1. Seat suspension knob Using a Rollover Protection System 2. Seat position adjustment Rollover protection systems (ROPS) are available for many riding machines. Contact an Authorized Service Dealer for information on obtaining ROPS for your machine. Pushing the Machine by Hand Important Always push the machine by hand. Never tow the machine because hydraulic damage may occur.
Transporting Machines Avoid sudden acceleration when driving up a ramp and sudden deceleration when backing down a ramp. Both maneuvers can cause the unit to tip backward. 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. Knowing this information could help you, your family, pets or bystanders avoid injury.
2. Remove bracket pin (Fig. 15). 8. Perform maintenance. 9. Remove chocks or blocks. 4 Driving off the Z Stand 1. Raise latch to unlocked position (Fig. 17). 2 2. Start engine and place at half throttle. Disengage parking brake. 5 1 3. Slowly drive backwards off of stand. 3 4. Return stand to its rest position (Fig. 15). m–5599 Figure 15 1. Z Stand 2. Latch 3. Bracket 4 4. Bracket Pin 5. Bottom of slot 3 2 1 1 3 2 m–5601 Figure 17 1. Z Stand 2. Latch m–5600 Figure 16 1.
Tips for Mowing Grass Long Grass Fast Throttle Setting If the grass is ever allowed to grow slightly longer than normal, or if it contains a high degree of moisture, raise the cutting height higher than usual and cut the grass at this setting. Then cut the grass again using the lower, normal setting. For best mowing and maximum air circulation, operate the engine at fast.
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 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 spark arre
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 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. 1. Use a file to sharpen the cutting edge at both ends of the blade (Fig. 21). Maintain the original angle. The blade retains its balance if the same amount of material is removed from both cutting edges. 3.
3 5 4 2 1 3 4 2 1 M–4226 Figure 23 1. Sail area of blade 2. Blade 3. Spring disk M–4824 4. Blade bolt 5. Cone toward bolt head Figure 24 1. Filter minder 2. Button (push to reset) Removing the Air Cleaner Servicing the Air Cleaner 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). Primary Filter: Clean or replace every 200 operating hours or when Filter Minder reaches Change Filter level.
Oil Type: Detergent oil (API service SG, SH, SJ or higher) 3 4 Crankcase Capacity: w/filter, 67 oz. (2.0 l) 1 Viscosity: See table below USE THESE SAE VISCOSITY OILS 10W–30 5 2 1 5W–20, 5W–30 m–4815 Figure 25 1. Latches 2. Air cleaner cover 3. Air filter body 4. Primary filter 5. Safety filter Cleaning the Primary Filter 0 –30 5C –20 20 –10 32 40 0 80 60 10 20 100 30 40 Checking the Oil Level Blow compressed air from the inside to the outside of the primary filter.
2 1 6. Slowly pour approximately 80% of the specified oil, on page 31, into the filler cap (Fig. 26). Now check the oil level; refer to Checking Oil Level, page 31. Slowly add additional oil to bring it to the full mark. 3 Change the Oil Filter Replace the oil filter every 200 hours or every other oil change. m–4811 Note: Change oil filter more frequently when operating conditions are extremely dusty or sandy. m–3219 1. Drain the oil from the engine; refer to Changing/Draining Oil, page 32.
2 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. 3 1 Type: Champion Premium Gold 2071 (or equivalent) Air Gap: 0.030 in. (0.76 mm) 0.030 in. (0.76 mm) Removing the Spark Plug(s) 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. m–3215 Figure 30 2.
Never install a used filter if it is removed from the fuel line. 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. 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. 2. Close fuel shut-off valve on console. 3. Relieve pressure in the fuel system. 2. Close fuel shut off valve on console. 4.
Cleaning the Engine Fins 5. Install the fuel line onto the fuel filter. Install hose clamp close to the fuel filter to secure the fuel line (Fig. 32). Every 100 hours clean the engine cylinder and cylinder head cooling fins. Also clean around carburetor, governor levers and linkage. This will ensure adequate cooling of the engine and will reduce the possibility of overheating and mechanical damage. 1. Remove the panels from the engine shroud. 3 2. Clean the engine cooling fins. 2 3.
3. Remove grease zerk in hole. Reinstall hex plug and dust cap. 2. Grease the fittings on the three spindle bearings until grease comes out lower seals (Fig. 36). 3. Grease the fittings on the push arms (Fig. 36). Where to Add Grease Lubricate the grease fittings as shown on the Check Service Reference Aid decal (Fig. 35). M–5036 Figure 36 Checking the Tire Pressure Maintain the air pressure in the front and rear tires as specified. Uneven tire pressure can cause uneven cut.
4. Check the distance from bottom of slot in nut to inside edge of hole. Two threads or less should be showing (Fig. 38). 3 2 5. If more than two threads are showing remove nut and install washer between hub and nut (Fig. 38). 1 6. Torque the slotted nut to 125 ft-lbs (169.5 N m) (Fig. 38). 7. Tighten nut until the next set of slots line up with the hole in the shaft (Fig. 38). M–4640 Figure 39 8. Replace cotter pin. 1. Spring washers 2. Lock nut 3.
6. Recheck the fluid level while the fluid is warm. If required, add fluid to the reservoir until it reaches the hot level of the baffle. Replacing the Hydraulic Filter Note: The fluid level should be to the top of the hot level of the baffle, when the fluid is warm (Fig. 40). After the first 8 operating hours. Change the hydraulic filter: After every 200 operating hours. 7. Install cap on filler neck. 1. Disengage the power take off (PTO) and turn the ignition key to off.
11. Check fluid level in hydraulic tank while fluid is warm. Add fluid to raise level to top of the baffle, if required. Do not overfill. Warning Hydraulic fluid escaping under pressure can penetrate skin and cause injury. 1 • 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.
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. 2.
Replacing the Pump Drive Belt 6. If adjustment is necessary, loosen the jam nut directly below the yoke. Turn the bottom rod until the correct measurement is obtained (Fig. 45). Tighten jam nut at yoke Check pump drive belt for wear after every 50 hours of operation. 4 1. Pull spring loaded idler down and remove traction belt from the engine and hydro pump pulleys (Fig. 44). Remove belt between pulleys. 5 6 2. Install new belt around engine and hydro pump pulleys (Fig. 44). 1 3.
2. To replace fuses pull out on the fuse to remove it (Fig. 47). 1 2 3 2 3 1 m–5004 Figure 48 m–4823 1. Filler caps 2. Upper line Figure 47 1. Engine-20 amp 2. Fuel Pump-10 amp 3. Lower line 3. Plastic clip Danger Servicing the Battery Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. Warning • 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.
5. Slide the red terminal boot onto the positive (red) battery post. Warning 6. Secure battery with J-bolts, hold down clamp and 2 washers (1/4 in.), and 2 wing nuts (1/4 in.) (Fig. 49). 9 5 Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. 4 11 2 • Always Disconnect the negative (black) battery cable before disconnecting the positive (red) cable.
Adjusting the Mower Level 5. Wait five to ten minutes after filling the battery cells. Add distilled water, if necessary, until the electrolyte level is up to the upper line (Fig. 48) on the battery case. 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). 6. Reinstall battery vent caps. 2. Check tire pressure of all four tires. If needed, adjust to 13 psi (90 kPa) Charging the Battery 3.
Danger Unit could fall onto someone and cause serious injury or death. 1 3 4 2 • Use extreme caution when operating unit on Z–Stand. • Use only for cleaning deck and removing blades. • Do not keep unit on Z–Stand for extended periods of time. • Always shut engine off and set parking brake before performing any maintenance to deck. 2 m–3747 Figure 52 1. 19-17/33 in. (496 mm) outside swivels 2. Top chain bolt 3. Front swivel 4. 10-1/4 in.
Note: Idler belt has to be installed between spacer and PTO belt idler pulley. 4 1 7. Install clutch retaining strap and plug clutch terminal into main wire harness (Fig. 54). 4 5 2 3 M–4312 2 m–3748 Figure 53 3 1 Top View 1. Deck belt 2. Idler arm 3. Idler nuts 4. Idler adjusting nut M–4373 Figure 54 1. Clutch 2. Clutch retaining strap 3. Clutch terminal 6. Reinstall the PTO drive belt. Refer to Replacing the PTO Drive Belt, page 46. 4. PTO belt 5.
Note: Increase belt tension by lengthening the push arms and decrease belt tension by shortening push arms. Important If the push arm lengths are changed, then the mower deck must be re-leveled. See Mower Leveling on page 44. 2 3 1 1 1 m–3744 2 Figure 56 1. Center bolt, spring loaded idler 2. Alignment hole m–3740 Figure 58 1. Push arm 2. 15″ (381 mm) nominal 9. If adjustment is required, loosen the fixed idler on right support plate and move up or down in adjustment slot (Fig. 57).
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. 8 6 4 2 3 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.
BK BK BN GND PTO CLUTCH VIO SW5 (NEUTRAL) W VIO P1–A OR BK BN BU LAMP GN HOUR METER R R BK FUEL PUMP Y Y PK PK Y K1 (START RELAY) T GY OR BN PK B GN BK P1–B P2–C SW6 (SEAT SW) SHOWN WITH OPERATOR IN SEAT SW7 (TILT SW) SWITCH OPENS WHEN TILTED PAST 60 DEGREES FROM VERTICAL DELAY MODULE 100–6186 P1–C PK TERMINAL VIEW FROM BACK OF SWITCH B KEY SW S I X SHOWN WITH LEVER IN NEUTRAL POSITION SHOWN WITH LEVER IN NEUTRAL POSITION Y SHOWN IN OFF POSITION GY SW4 (NEUTRA
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.
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 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.
