Form No. 3360-826 Rev A TimeCutter® Z5030 and Z5060 Riding Mower Model No. 74373—Serial No. 290000001 and Up Model No. 74375—Serial No. 290000001 and Up Register at www.Toro.com.
Warning CALIFORNIA Proposition 65 Warning The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Important: This engine is not equipped with a spark arrester muffler. It is a violation of California Public Resource Code Section 4442 to use or operate the engine on any forest-covered, brush-covered, or grass-covered land. Other states or federal areas may have similar laws. Figure 1 Under the seat 1.
Safety Controls ............................................................. 12 Operation................................................................... 13 Think Safety First ............................................... 13 Recommended Fuel............................................ 13 Checking the Engine Oil Level............................ 15 Starting and Stopping the Engine ........................ 15 Operating the Blades .......................................... 16 Stopping the Engine .......
• Never leave a running machine unattended. Always turn off blades, set parking brake, stop engine, and remove key before dismounting. • Turn off blades when not mowing. Stop the engine and wait for all parts to come to a complete stop before cleaning the machine, removing the grass catcher or unclogging the discharge chute. • Operate the machine only in daylight or good artificial light. • Do not operate the machine while under the influence of alcohol or drugs.
approved hitch. The following guidelines apply when towing with the approved hitch kit installed. • Tow only with a machine that has a hitch designed for towing. Do not attach towed equipment except at the hitch point. • Follow the manufacturer’s recommendation for weight limits for towed equipment and towing on slopes. • Never allow children or others in or on towed equipment. • On slopes, the weight of the towed equipment may cause loss of traction and loss of control.
• Use only Toro approved attachments. Warranty may be voided if used with unapproved attachments. • If loading the machine onto a trailer or truck, use a single, full-width ramp only. The ramp angle should not exceed 15 degrees. Note: Determine the left and right sides of the machine from the normal operating position.
Slope Chart 7
Safety and Instructional 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. 114-1606 1. Entanglement hazard, belt—keep all guards in place. 106-8717 1. Read the instructions before servicing or performing maintenance. 2. Check tire pressure every 25 operating hours. 3. Grease every 25 operating hours. 4. Engine 93-7009 1.
112-9751 1. Parking position 2. Fast 3. Slow 4. Neutral 5. Reverse 112-9802 114-8531 1. Height-of-cut 1. Bypass lever position for operating the machine 2. Bypass lever position for pushing the machine 115-2501 1. Fast 2. Continuous variable setting 3. Slow 4. Choke 114-8532 5. Power take-off (PTO), Blade control switch on some models 6. Blade control switch—Off 1. Bypass lever position for operating the machine 7.
115-2469 1. Warning—read the Operator’s Manual. 2. Warning—read the instructions before servicing or performing maintenance; move the motion control levers to the park (brake) position, remove the ignition key and disconnect the spark plug wire. 3. Cutting/dismemberment hazard, mower blade; entanglement hazard, belt—do not open or remove safety shields while engine is running. 4. Tipping hazard—do not mow slopes greater than 15 degrees, avoid sudden and sharp turns while on slopes. 5.
Product Overview Figure 3 1. Footrest 2. Height of cut lever 3. Fuel gauge 7. Rear drive wheel 8. Washout fitting 9. Mower deck 4. Control panel 5. Motion control levers 6. Operator seat 10. Anti-scalp roller 11. Front caster wheel Figure 4 1. Motion control levers 3. Gas tank cap 5. Deflector 2. Height of cut lever 4. Engine 6. Engine guard (Model 74375 only) 11 7.
Controls reverse; wheel speed is proportional to the amount the lever is moved. Move the control levers outward from the center to the park position and exit the machine (Figure 15). Always position the motion control levers into the park position when you stop the machine or leave it unattended. Become familiar with all of the controls in Figure 3, Figure 4, and Figure 5 before you start the engine and operate the machine.
Operation Note: Determine the left and right sides of the machine from the normal operating position. Think Safety First Please carefully read all of the safety instructions and decals in the safety section. Knowing this information could help you, your family, pets or bystanders avoid injury. Figure 7 Mowing on wet grass or steep slopes can cause sliding and loss of control. 1. Safe Zone-use the TimeCutter here 2. Use walk behind mower and/or hand trimmer near drop-offs and water. 3.
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. In certain conditions during fueling, static electricity can be released causing a spark which can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage property. • Fill the fuel tank outdoors, in an open area, when the engine is cold. Wipe up any gasoline that spills.
tank (Figure 9). This space in the neck of the tank allows gasoline to expand. Do not fill the fuel tank completely full. Add the correct amount of gas stabilizer/conditioner to the gas. Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline. To minimize the chance of varnish deposits in the fuel system, use fuel stabilizer at all times. 4. Install the fuel tank cap securely. Wipe up any gasoline that may have spilled.
between attempts. Failure to follow these instructions can damage the starter motor. 2 2 3 G005056 1 1 4 5 Figure 10 1. Control panel 6 2. Blade control switch—Off position G005058 3. Move the throttle lever to Choke before starting a cold engine (Figure 11). Figure 12 1. Control panel 4. Off 2. Ignition key—run position 5. Run 3. Ignition key—start position 6. Start Note: A warm or hot engine may not require choking. 2 5. After the engine starts, move the throttle lever to Fast (Figure 11).
The Safety Interlock System If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury. 2 • Do not tamper with the interlock switches. G005059 1 • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine. Figure 13 1. Control panel 2.
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. The machine can spin very rapidly. The operator may lose control of the machine and cause personal injury or damage to the machine. • Use caution when making turns. G008952 • Slow the machine down before making sharp turns.
To turn, release the pressure on the motion control lever toward the direction you want to turn. Adjusting the Height of Cut To stop, push the motion control levers to neutral. Using the Height of Cut Lever To adjust the height of cut, pull inward and up on the lever and move it to the desired position.
Using the Foot Assist Pedal (Model 74375 only) Positioning the Seat The foot assist pedal can be used with the height of cut lever to help adjust the deck height. The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable. 1. Enter the operator’s position. Place a foot on the foot assist pedal and apply pressure. 1. Raise the seat and loosen the adjustment knob just enough that seat can move (Figure 20). 2.
1 4. Move the bypass levers rearward and then down to lock them in place as shown in Figure 22 to disengage the wheel motors. Repeat this on each side of the machine. 2 3 4 5. Move the motion control levers inward to the neutral position. The machine is now able to be pushed by hand. G005062 Figure 21 1. Control arm shaft 2. Control lever 3. Slotted, upper hole 4. Bolt 3. Repeat the adjustment for the opposite control lever. Figure 22 Right side shown Adjusting the Tilt 1.
Mowing Direction Alternate mowing direction to keep the grass standing straight. This also helps disperse clippings which enhances decomposition and fertilization. Without the grass deflector, discharge cover, or complete grass catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris. Contact with rotating mower blade(s) and thrown debris will cause injury or death. Mow at Correct Intervals Normally, mow every four days.
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 Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Interval Before each use or daily Maintenance Procedure • • • • • • • Check the safety interlock system. Check the air cleaner for dirty, loose or damaged parts. Check the engine oil level. Check air intake and cooling areas, clean as necessary. Check the cutting blades. Inspect the grass deflector for damage Clean the mower housing.
Premaintenance Procedures Lubrication Raising the Seat Service Interval: Every 25 hours—Grease all lubrication points. Greasing the Bearings Make sure the motion control levers are locked in the park position. Lift the seat forward. Grease Type: No. 2 General Purpose Lithium Base Grease The following components can be accessed by raising the seat: 1. Park the machine on a level surface and disengage the blade control switch. • Serial plate 2.
Engine Maintenance 4. Connect a grease gun to each fitting (Figure 24 and Figure 25). Pump grease into the fittings until grease begins to ooze out of the bearings. Servicing the Air Cleaner 5. Wipe up any excess grease. Service Interval: Before each use or daily—Check the air cleaner for dirty, loose or damaged parts. This engine is equipped with a replaceable, high density paper air cleaner element. Check the air cleaner daily or before starting the engine.
Servicing Paper Element Checking the Oil Level Service Interval: Every 50 hours—Service the paper element. (more often under extremely dusty, dirty conditions) Service Interval: Before each use or daily—Check the engine oil level. 1. Park the machine on a level surface, disengage the blade control switch, stop the engine, and remove the key. Every 100 hours—Replace the paper element. (more often under extremely dusty, dirty conditions) 2.
low, add oil of the proper type up to the full mark. Reinstall oil fill cap/dipstick and screw tight. Changing the Oil and the Filter 4 Service Interval: Every 100 hours—Change the engine oil and filter. Refill with service class SG, SH, SJ or higher oil as specified in the “Viscosity Grades” table. Change the oil and filter while the engine is still warm. The oil will flow more freely and carry away more impurities. Make sure the engine is level when filling, checking, or changing the oil.
12. Install the replacement oil filter to the adapter. Turn the oil filter clockwise until the rubber gasket contacts the pad, then tighten the filter an additional 3/4 to 1 turn (Figure 30). Wipe up any excess oil on the frame. 13. When oil has drained completely, install the oil drain plug. Tighten the plug to 14 N-m (125 in-lb) torque. Wipe up any excess oil (Figure 29). Note: Dispose of the used oil at a recycling center. 14.
Cleaning the Blower Housing Fuel System Maintenance To ensure proper cooling, make sure the grass screen, cooling fins, and other external surfaces of the engine are kept clean at all times. Annually or every 100 hours of operation (more often under extremely dusty, dirty conditions), remove the blower housing and any other cooling shrouds. Clean the cooling fins and external surfaces as necessary. Make sure the cooling shrouds are reinstalled. Torque the blower housing screws to 5.5 ft-lb (7.5 N-m).
Electrical System Maintenance 6 Charging the Battery 1 Warning 3 CALIFORNIA Proposition 65 Warning 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. 5 G005071 2 4 Figure 33 1. Fuel line from tank 2. Hose clamp 3. Filter 4. Fuel line to engine 5. Flow direction arrow 6. Fuel tank Removing the Battery 4.
Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. • Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable. Figure 35 • Always connect the positive (red) battery cable before connecting the negative (black) cable. 1. Positive battery post 2. Negative battery post 5. Slide the rubber cover up the positive (red) cable.
Drive System Maintenance Checking the Tire Pressure Service Interval: Every 25 hours—Check tire pressure. 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 (Figure 37). Check the tires when they are cold to get the most accurate pressure reading. G005073 Rear Tires: 13 psi (90 kPa) 1 2 Front Tires (caster wheels): 35 psi (241 kPa) Figure 36 1. Main-30 amp 2. Charge circuit-25 amp Figure 37 1.
Mower Maintenance Servicing the Cutting Blades Maintain sharp blades throughout the cutting season because sharp blades cut 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. Figure 38 1. Cutting edge 2. Curved area Check the cutter blades daily for sharpness, and for any wear or damage. File down any nicks and sharpen the blades as necessary.
3. Measure from the tip of the blade to the flat surface here. 1 1 G009680 3 2 G009680 3 Figure 42 Figure 40 1. Opposing blade edge, in position for measuring 2. Level surface 3. Second measured distance between blade and surface (B) 2 1. Blade, in position for measuring 2. Level surface 3. Measured distance between blade and surface (A) 4. Rotate the same blade 180 degrees so that the opposing cutting edge is now in the same position.
Leveling the Mower Deck Check to ensure the mower deck is level any time you install the mower or when you see an uneven cut on your lawn. The mower deck must be checked for bent blades prior to leveling; any bent blades must be removed and replaced. Refer to the Checking for Bent Blades procedure before continuing. Figure 43 The mower deck must be leveled side-to-side first then the front to rear slope can be adjusted. 4. Blade bolt 5. Blade stiffener 1. Sail area of blade 2. Blade 3.
G005278 2 3 3 1 2 4 4 1 3 4 6 Figure 47 Mower Decks with 3 Blades 1. Blades side to side 2. Sail area of blade 3. Outside cutting edges 4. Measure from the tip of the blade to the flat surface here 2 5 G005074 5. Measure between the outside cutting edges and the flat surface (Figure 46 and Figure 47). If both measurements are not within 3/16 inch (5 mm), an adjustment is required; continue with this procedure. Figure 48 1. Hanger bracket 2. Rear locking nut 3. Side locking nut 6.
2 1 G009658 2 Figure 49 Mower Decks with 2 Blades 1. Blades front to rear 2. Measure from the tip of the blade to the flat surface here 3 2 Figure 51 1. Adjusting rod 2. Adjusting block 1 2 7. To raise the front of the mower, tighten the adjustment nut. To lower the front of the mower, loosen the adjustment nut. 3 G009659 Figure 50 Mower Decks with 3 Blades 1. Blades front to rear 3. Lock nut 8. After adjustment, check the front-to-rear slope again.
Mower Belt Maintenance Inspecting the Belts Service Interval: Every 25 hours—Check the belts for wear/cracks. Check the belts for cracks, frayed edges, burn marks, or any other damage. Replace damaged belts. Replacing the Mower Belt Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks, and cracks are signs of a worn mower belt. Replace the mower belt if any of these conditions are evident. 1.
6. Route the new belt around the engine pulley and mower pulleys (Figure 54). 3 4 5 7. Pull the idler pulley in the direction shown in Figure 54 and route the belt onto the idler pulley (Figure 54). 6 8. Install the belt covers over the outside spindles. 2 7 Installing the Mower 1 1. Park the machine on a level surface and disengage the blade control switch. G005192 Figure 55 2.
Cleaning Note: If the mower is not clean after one washing, soak it and let it stand for 30 minutes. Then repeat the process. Washing the Underside of the Mower 8. Run the mower again for one to three minutes to remove excess water. Service Interval: Before each use or daily—Clean the mower housing. Wash the underside of the mower after each use to prevent grass buildup for improved mulch action and clipping dispersal. 1. Park the machine on a level surface and disengage the blade control switch. 2.
Storage Important: Do not store stabilizer/conditioned gasoline over 30 days. Cleaning and Storage 11. Remove the spark plug(s) and check its condition; refer to Servicing the Spark Plug in the Engine Maintenance section. With the spark plug(s) removed from the engine, pour two tablespoons of engine oil into the spark plug hole. Use the starter to crank the engine and distribute the oil inside the cylinder. Install the spark plug(s). Do not install the wire on the spark plug(s). 1.
Troubleshooting Problem The engine overheats. Possible Cause 1. The engine load is excessive. 1. Reduce ground speed. 2. The oil level in the crankcase is low. 3. The cooling fins and air passages under the engine blower housing are plugged. 4. The air cleaner is dirty. 2. Add oil to the crankcase. 3. Remove the obstruction from the cooling fins and air passages. 5. Dirt, water, or stale fuel is in fuel system.
Problem There is abnormal vibration. Uneven cutting height. Possible Cause 1. The engine mounting bolts are loose. 1. Tighten the engine mounting bolts. 2. The engine pulley, idler pulley, or blade pulley is loose. 3. The engine pulley is damaged. 4. The cutting blade(s) is/are bent or unbalanced. 5. A blade mounting bolt is loose. 6. A blade spindle is bent. 2. Tighten the appropriate pulley. 1. The blade(s) is not sharp. 1. Sharpen the blade(s). 2. A cutting blade(s) is/are bent. 3.
Schematics G009744 Electrical Diagram (Rev.
Notes: 46
Notes: 47
The Toro Total Coverage Guarantee A Three-Year Limited Warranty (Limited Warranty for Commercial Use) Conditions and Products Covered under The Toro Total Coverage Guarantee The Toro® Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair any Toro Product used for residential purposes*, if defective in materials or workmanship or if it stops functioning due to the failure of a component for the period listed below.
