Form No. 3350–292 Z555 Z Master with 60in TURBO FORCE Side Discharge Mower Model No. 74245–Serial No. 240000001 & Up Operator’s Manual Register your product at www.Toro.
Warning Stopping the Machine . . . . . . . . . . . . . . . . . . . . . Adjusting the Height-of-Cut . . . . . . . . . . . . . . . . Using the Lift Assist Lever . . . . . . . . . . . . . . . . . Adjusting the Anti-Scalp Rollers . . . . . . . . . . . . . Adjusting the Flow Baffle . . . . . . . . . . . . . . . . . . Positioning the Flow Baffle . . . . . . . . . . . . . . . . . Positioning the Seat . . . . . . . . . . . . . . . . . . . . . . . Unlatching the Seat . . . . . . . . . . . . . . . . . . . . . . .
Introduction Safety Read this manual carefully to learn how to operate and maintain your product properly. The information in this manual can help you and others avoid injury and product damage. Although Toro designs and produces safe products, you are responsible for operating the product properly and safely. Improper use or maintenance by the operator or owner can result in injury.
• Use extreme care when loading or unloading the machine into a trailer or truck. • Use extra care when handling gasoline and other fuels. They are flammable and vapors are explosive. • Use care when approaching blind corners, shrubs, trees, or other objects that may obscure vision. • Use only an approved container • Never remove gas cap or add fuel with engine running. Allow engine to cool before refueling. Do not smoke. Slope Operation • Never refuel or drain the machine indoors.
• Check the area to be mowed and never fold the ROPS in areas where there are slopes, drop offs or water. • Lower the rollbar only when absolutely necessary. Do not wear the seat belt with the roll bar folded down. • Check carefully for overhead clearances (i.e. branches, doorways, electrical wires) before driving under any objects and do not contact them. Maintenance and storage • Disengage drives, lower implement, set parking brake, stop engine and remove key or disconnect spark plug wire.
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. 1-633462 43-8480 1-643339 54-9220 1-523552 58-6520 1.
4-4163 1. Explosion hazard 2. No fire, open flames, or smoking. 3. Caustic liquid/chemical burn hazard 66-1340 4. Wear eye protection 5. Read the Operator’s Manual. 6. Keep bystanders a safe distance from the battery. 104-7759 68-8340 98-4387 1. Warning—wear hearing protection.
107-1613 107-1864 107-1622 107-1621 107-2102 11
107-1860 106-9969 107-1861 107-2112 107-1857 12
103-2433 106-9989 13
106-7492 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 14 5. Sulfuric acid can cause blindness or severe burns. 6. Flush eyes immediately with water and get medical help fast. 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.
Operation 2 Note: Determine the left and right sides of the machine from the normal operating position. 1 Using the Rollover Protection System (ROPS) m–6836 Figure 2 Warning 1. Full down position To avoid injury or death from rollover: keep the roll bar in the raised locked position and use the seat belt. Important Always use the seat belt with the roll bar in the raised position. Ensure that the rear part of the seat is secured with the seat latch.
7. Tighten the front handles against the center roll bar ends (Fig. 3). 2 1 1 m–6897 Figure 4 1. Front handle 3 Think Safety First m–6478 Figure 5 Please read all safety instructions and symbols in the safety section. Knowing this information could help you or bystanders avoid injury. 1. Safe Zone—use the Z Master here on slopes less than 15 degrees or flat areas. 2. Use walk behind mower and/or hand trimmer near drop–offs and water. 3.
Controls Unlatch the seat and lift it up to view the hour meter (Fig. 8). Become familiar with all the controls (Fig. 7 and 8) before you start the engine and operate the machine. Operating the Parking Brake 8 7 Always set the parking brake when you stop the machine or leave it unattended. 6 Setting the Parking Brake 1 4 1. Move the motion control levers (Fig. 7) out to the neutral lock position. 3 2. Pull back and up on the parking brake lever to set the parking brake (Fig. 9).
Starting and Stopping the Engine 1 1 2 Starting the Engine 3 1. Sit on the seat and move the motion controls to neutral locked position. 2 2. Set the parking brake; refer to Setting the Parking Brake, page 18. 3. Move the PTO (power take off) switch to the off position (Fig. 10). Figure 12 4. Move the choke control to the on position before starting a cold engine. Figure 13 1. Throttle–Fast 2. Throttle–Slow 1. Off 2. Run 3. Start Note: A warm or hot engine may not require choking.
• You are sitting on the seat. Engaging the PTO • The parking brake is engaged. 1. While seated in the seat, release pressure on the traction control levers and place in neutral. • The power take off (PTO) is disengaged. 2. Place the throttle to the fast position. • The motion control levers are in neutral locked position. 3. Pull out on the power take off (PTO) switch to engage (Fig. 14).
Driving Backward Caution 1. Move the levers to the center, un-locked position. Machine can spin very rapidly. Operator may lose control of machine and cause personal injury or damage to machine. 2. To go backward, slowly pull the motion control levers rearward (Fig. 15). To go straight, apply equal pressure to both motion control levers (Fig. 15). • Use caution when making turns. • Slow the machine down before making sharp turns.
3. Select a hole so the anti–scalp roller is positioned to the nearest corresponding height-of-cut desired (Fig. 18). 1 4. Install the flange nut, bushing, spacer, and bolt. Torque to 40–45 ft–lb (54–61 N⋅m) (Fig. 18). 2 5. Repeat this adjustment on the other anti–scalp rollers. m–6820 Figure 16 1. Height of cut lever 2. Clevis Pin 4 Using the Lift Assist Lever 2 The lift assist lever is used along with the height–of–cut lever for raising the mower. This allows for easier raising of the mower.
Positioning the Flow Baffle The following figures are only recommendations for use. Adjustments will vary by grass type, moisture content, and height of grass. Note: If the engine power draws down and the mower ground speed is the same, open up the baffle. 1 Position A This is the full rear position. The suggested use for this position is a follows. 2 5 1 3 m–6844 • Use for short, light grass mowing conditions. Figure 20 1. Anti–scalp roller 2. Spacer 3. Bushing • Use in dry conditions. 4.
Position C Unlatching the Seat This is the full open position. The suggested use for this position is as follows. Push the seat latch rearward to unlatch the seat. This will allow access to the machine under the seat. • Use in tall, dense grass mowing conditions. 3 • Use in wet conditions. • Lowers the engine power consumption. 2 • Allows increased ground speed in heavy conditions. • This position is similar to the benefits of the Toro SFS mower. 1 Full Forward Position m–6840 Figure 26 1.
Transporting Machines 1 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. To transport the machine: • Lock the brake and block the wheels. • Securely fasten the machine to the trailer or truck with straps, chains, cable, or ropes.
Using the Z Stand Warning The Z Stand is used for raising the front end of the machine. This allows for cleaning of the mower and removal of the blades. 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.
4. Set the foot of stand on the ground and rest the latch on the pivot tab (Fig. 30). 4 3 2 1 3 1 2 m–5601 m–5600 Figure 31 Figure 30 1. Z Stand (Positioned in slot) 1. Z Stand 2. Latch 2. Crack in side walk or turf 3. Latch resting on pivot tab 3. Locked position 4. Unlocked position 5. Start the engine and put it at half throttle. Tips for Mowing Grass Note: For best results, place the foot of stand into seams in sidewalks or into the turf (Fig. 30).
in mid summer, mow less frequently. If you cannot mow for an extended period, first mow at a high cutting height; then mow again two days later at a lower height setting. Cutting Speed To improve cut quality, use a slower ground speed in certain conditions. Avoid Cutting Too Low If the cutting width of the mower is wider than the mower you previously used, raise the cutting height to ensure that uneven turf is not cut too short.
Maintenance Recommended Maintenance Schedule Maintenance Service Interval After first 5 hours Each Use Maintenance Procedure • Hydraulic fluid—check level • Hydraulic filter—change • • • • Oil—check level Safety System—check Mower Housing—clean Engine air intake—clean1 Every 8 Hours • Cutting Blades—check Every 25 Hours • • • • • • • • Every 50 Hours • Belts—adjust tension • Belts—check for wear/cracks • Tires—check pressure Every 100 Hours • Engine Oil—change1 • Hydraulic lines—check • Engine Co
Important Refer to your engine operator’s manual for additional maintenance procedures. 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.
Front Warning A Contact with sharp blade can cause serious injury. A A Wear gloves or wrap sharp edges of the blade with a rag. 1. Hold the blade end using a rag or thickly-padded glove. Remove the blade bolt, spring disk and blade from the spindle shaft (Fig. 37). m–1078 Figure 33 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. Wear proper eye protection when sharpening blade.
Installing the Blades 3. Clean around the air cleaner to prevent dirt from getting into the engine and causing damage. Unscrew the knob and remove the air cleaner cover (Fig. 38). 1. Install the blade onto the spindle shaft (Fig. 37). Important The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. 1 2 2. Install the spring disk and blade bolt (Fig. 37). Torque the blade bolt to 85–110 ft-lb (115–150 N m).
Cleaning the Paper Element Viscosity: See table below USE THESE SAE VISCOSITY OILS 1. Lightly tap the element on a flat surface to remove dust and dirt (Fig. 40). 2. 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. Replace the paper element if it is damaged, or cannot be cleaned thoroughly. m–4292 2 Checking the Engine Oil Level 1 Note: Check the oil when the engine is cold. 1.
Change the Engine Oil Filter Important Do not overfill the crankcase with oil because the engine may be damaged. Do not run engine with oil below the low mark because the engine may be damaged. Replace the oil filter every 200 hours or every other oil change. Note: Change the oil filter more frequently when operating conditions are extremely dusty or sandy. Changing the Engine Oil 1. Drain the oil from the engine; refer to Changing the Oil, page 34. Note: A hose was included in loose parts.
Installing the Spark Plug(s) 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 1. Install the spark plug(s). Make sure the air gap is set correctly. 3. Pull the wire(s) off the spark plug(s) (Fig. 44). Now clean around the spark plug(s) to prevent dirt from falling into the engine and potentially causing damage. 2. Tighten the spark plug(s) to 16 ft.-lb. (22 N⋅m). 3. Push the wire(s) onto the spark plug(s) (Fig. 44). 4.
Servicing the Fuel Tank Greasing and Lubrication Draining The Fuel Tank Lubricate the machine when shown on the Check Service Reference Aid decal (Fig. 48). Grease more frequently when operating conditions are extremely dusty or sandy. Danger Grease Type: General-purpose grease. In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property. How to Grease 1.
Where to Add Grease Greasing the Spindles Lubricate the grease fittings as shown on the Check Service Reference Aid decal (Fig. 48). The cutting unit must be lubricated weekly or every 25 hours. Refer to the Service Interval Chart on page 29. Grease with No. 2 general purpose lithium base or molybdenum base grease. Important Make sure cutting unit spindles are full of grease weekly. 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. 2.
Cleaning the Cooling Systems Checking the Tire Pressure Cleaning the Engine Screen and the Oil Cooler 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. 52). Check the tires when they are cold to get the most accurate pressure reading. Before each use, check and clean engine screen and oil cooler.
6. If more than two threads are showing remove nut and install washer between hub and nut (Fig. 53). • Before the engine is first started. 7. Torque the slotted nut to 125 ft–lb. (170 N⋅m) (Fig. 53). • After every 25 operating hours. 8. Tighten nut until the next set of slots line up with the hole in the shaft (Fig. 53). Fluid Type: Mobil 1 15W-50 synthetic motor oil or equivalent synthetic oil. 9. Replace cotter pin. Important Use oil specified or equivalent. Other fluids could cause system damage.
4. Apply a thin coat hydro fluid to the rubber gasket on the replacement filter (Fig. 57). Warning 5. Install the replacement hydraulic filter onto the filter adapter. Do not tighten. Hydraulic fluid escaping under pressure can penetrate skin and cause injury. 6. Fill the hydraulic tank with hydraulic fluid until the fluid overflows the filter and then turn the oil filter clockwise until the rubber gasket contacts the filter adapter, then tighten the filter an additional 1/2 turn (Fig. 57).
5. Repeat this procedure on the opposite wheel. Adjusting the Handle Neutral Checking the Hydraulic Lines If motion control levers do not align, or move easily into the console notch, adjustment is required. Adjust each lever, spring and rod separately. 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.
10. Tighten the nut and jam nut (Fig. 59). This adjustment must be made with the drive wheels turning. 11. Repeat on the opposite side of the machine. 2 9 1. Raise the frame and use jack stands to hold up the machine so drive wheels can rotate freely. 1 6 2. Unlatch the seat, tilt the seat forward and disconnect electrical connector from the seat safety switch. 7 3 3. Temporarily install a jumper wire across terminals in the wiring harness connector. 4.
Setting the Left–hand Hydraulic Pump Neutral 2. Check if the machine pulls to one side. If it does, stop the machine and set the parking brake. 1. Loosen the locknuts at the ball joints on pump control rod (Fig. 59). 3. Unlatch the seat and tip the seat up to access the tracking knob. 2. Start the engine, open throttle 1/2 way and release parking brake. Refer to Starting and Stopping the Engine, page 19. Note: Determine the left and right sides of the machine from the normal operating position. 4.
Servicing the Fuse 2. Install new belt around engine and hydro pump pulleys (Fig. 62). Service Interval/Specification 3. Pull spring loaded idler down and align below traction belt. Release pressure on spring loaded idler (Fig. 62). The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check component/circuit for malfunction or short.
3. If the electrolyte is low, add the required amount of distilled water; refer to Adding Water to the Battery, page 46. 4 5 11 7 6 7 9 1 2 2 3 3 m–5004 10 Figure 65 1. Filler caps 2. Upper line 1 8 m–5598 3. Lower line Figure 66 1. 2. 3. 4. 5. 6. Danger Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns. • Do not drink electrolyte and avoid contact with skin, eyes or clothing.
2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Important Always keep the battery fully charged (1.265 specific gravity). This is especially important to prevent battery damage when the temperature is below 32°F (0°C). 3. Unlatch the seat and tilt the seat up. 1. Remove the battery from the chassis; refer to Removing the Battery, page 45. 4.
4. Check tire pressure of all four tires. If needed, adjust to 13 psi (90 kPa) 7. If the measurements at positions B or C are not correct, loosen the bolt attaching the rear chain to the rear support arm (Fig. 70). 5. Lower the mower to the 3 inch (76 mm) height–of–cut position. 8. Loosen the jam nut under the rear support arm and adjust the adjustment bolt to get a measurement of 3–1/8 to 3–1/4 inches. 6. Inspect the four chains. The chains need to have tension.
Adjusting the Front–to–Rear Mower Pitch 10. Check to make sure there is equal tension on the chains and adjust again if needed. 1. Position the right blade front-to-rear (Fig. 71). 2. Measure the right blade at the A location (Fig. 71), from a level surface to the cutting edge of the blade tip (Fig. 72). Adjusting the Compression Spring 1. Raise the mower lift lever to the transport position (Fig. 16). 3. Record this measurement. 2.
Warning 1 3 3 Unit could fall onto someone and cause serious injury or death. 5 • Use extreme caution when operating unit on Z Stand. • Use only for cleaning mower 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 mower. 3 4 3 2 4 6 m–6825 Figure 74 1. Clutch 2. Mower belt 3. 1/4 turn belt twist Inspecting the Belts 4. Belt guide 5. Mower spindle pulley 6.
9. Check the distance from the rubber stop and the arm of the spring loaded idler pulley when the idler plate is tightened. It needs to be 0 to 1/4 inch (0 to 6 mm) from the rubber stop (Fig. 78). Important Check the amount of twist in the belt between the pulleys. Make sure it is only what is specified in Figure 74. Important Check and make sure the belt is installed into both the front and rear belt guides (Fig 76). 10.
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.
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. Remove spark plug wire. Remove the key. C. Stop engine, allow to cool and drain the fuel tank; refer to Servicing the Fuel Tank, page 36. D. Restart engine and run it until it stops. 2.
GND BK BK PTO CLUTCH BN VIO VIO Y SHOWN WITH SW5 LEVER IN (NEUTRAL) NEUTRAL POSITION W SHOWN WITH SW4 LEVER IN (NEUTRAL) NEUTRAL POSITION SHOWN WITH PARK BRAKE DISENGAGED SW3 (BRAKE) Y SHOWN IN OFF POSITION GY BN SW2 (PTO) OR BK P1–B T Y K2 (START RELAY) P2–C GY GY BN GN F1 20A Y R R BK K1 (KILL RELAY) BU HOUR METER PK OR BN PK PK SW6 (SEAT SW) SHOWN WITH OPERATOR IN SEAT SW7 (TILT SW) SWITCH OPENS WHEN TILTED PAST 60 DEGREES FROM VERTICAL TERMINAL VIEW FROM BACK OF SWI
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 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 the listed Toro Products if defective in materials or workmanship. The following time periods apply from the date of purchase: You must maintain your Toro Product by following the maintenance procedures described in the operator’s manual.
