With 52in or 60in 7-gauge side discharge mower (56 pages)
Summary of Contents for Toro 74381
Page 1
Form No. 3359-803 Rev A TimeCutter ® Z4202 Riding Mower Model No. 74381—Serial No. 280000001 and Up Register at www.Toro.com. Original Instructions (EN)
Whenever you need service, genuine Toro parts, or Contents additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 Introduction..............2 identifies the location of the model and serial numbers Safety ................
Safety Servicing the Air Cleaner ........24 Servicing the Engine Oil ........25 Servicing the Spark Plug ........27 Safe Operation Practices Cleaning the Blower Housing......28 for Ride-on (riding) Rotary Fuel System Maintenance ........28 Replacing the Fuel Filter ........28 Lawnmower Machines Electrical System Maintenance........
Page 4
◊ lack of awareness of the effect of ground – stay alert for humps and hollows and other conditions, especially slopes; hidden hazards; ◊ incorrect hitching and load distribution. • Use care when pulling loads. – Use only approved drawbar hitch points. Preparation –...
If tires lose traction, disengage the blades and proceed slowly off the slope. The following list contains safety information specific to Toro products or other safety information that you must • Follow the manufacturer’s recommendations for know that is not included in the CEN standard.
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.
Page 8
112-9751 1. Parking position 4. Neutral 2. Fast 5. Reverse 3. Slow 110-6824 1. Height-of-cut 114-8531 1. Bypass lever position for 2. Bypass lever position for operating the machine pushing the machine 115-2501 114-8532 1. Fast 5. Power take-off (PTO), Blade control switch on 1.
Page 9
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.
Controls backward turns the wheel on the same side forward or in reverse; wheel speed is proportional to the amount the Become familiar with all of the controls in Figure 3, lever is moved. Move the control levers outward from Figure 4, and Figure 5 before you start the engine and the center to the park position and exit the machine 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.
Page 13
In certain conditions, gasoline is extremely In certain conditions during fueling, static flammable and highly explosive. A fire or electricity can be released causing a spark explosion from gasoline can burn you and which can ignite the gasoline vapors. A fire others and can damage property.
Add the correct amount of gas stabilizer/conditioner tank (Figure 9). This space in the neck of the tank to the gas. allows gasoline to expand. Do not fill the fuel tank completely full. Note: A fuel stabilizer/conditioner is most effective 4.
between attempts. Failure to follow these instructions can damage the starter motor. Figure 10 1. Control panel 2. Blade control switch—Off position 3. Pull up on the Choke control before starting a cold G005184 engine (Figure 11). Figure 12 Note: A warm or hot engine may not require choking.
The Safety Interlock System If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury. • Do not tamper with the interlock switches. G005185 • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine.
Driving Forward or Backward To turn, release pressure on the motion control lever toward the direction you want to turn (Figure 15). The throttle control regulates the engine speed as The farther you move the motion control levers in measured in rpm (revolutions per minute). Place either direction, the faster the machine will move in the throttle control in the Fast position for best that direction.
Adjusting the Height of Cut Adjusting the Motion Control Levers 1. Raise the height-of-cut lever to the transport position, cutting height position G (also the 4-1/2 inch [115 mm]) (Figure 16). Adjusting the Height The motion control levers can be adjusted higher or lower for maximum operator comfort.
Side discharge performance can be improved by replacing the mulching blades with standard cutting blades obtained from your local authorized Toro dealer. To maintain optimum mulching performance, always install the mulching blades that are Figure 19 shipped with this unit when changing back to mulching Right side shown operation.
Operating Tips Fast Throttle Setting For best mowing and maximum air circulation, operate the engine at the Fast position. Air is required to thoroughly cut grass clippings, so do not set the height-of-cut so low as to totally surround the mower by uncut grass.
Page 21
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 Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Check the safety interlock system. • Check the air cleaner for dirty, loose or damaged parts. •...
Premaintenance Lubrication Procedures Greasing the Bearings Raising the Seat Service Interval: Every 25 hours—Grease all lubrication points. Make sure the motion control levers are locked in the Grease Type: No. 2 General Purpose Lithium Base park position. Lift the seat forward. Grease The following components can be accessed by raising 1.
Engine Maintenance 4. Connect a grease gun to each fitting (Figure 22 and Figure 23). 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.
Servicing Paper Element Checking the Oil Level Service Interval: Every 50 hours—Service the paper Service Interval: Before each use or daily—Check the element. (more often under extremely engine oil level. dusty, dirty conditions) 1. Park the machine on a level surface, disengage the Every 100 hours—Replace the paper blade control switch, stop the engine, and remove element.
Page 26
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 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”...
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 28). Wipe up any excess oil on the frame. 13.
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 In certain conditions, gasoline is extremely flammable and highly explosive.
Electrical System Maintenance Charging the Battery Removing the Battery Battery terminals or metal tools could short G005071 against metal machine components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. • When removing or installing the battery, do Figure 31 not allow the battery terminals to touch any 1.
5. Slide the rubber cover up the positive (red) cable. Disconnect the positive (red) cable from the battery post (Figure 32). Retain all fasteners. 6. Remove the battery hold-down (Figure 32) and lift the battery from the battery tray. Figure 33 1.
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 G005073 specified. Uneven tire pressure can cause uneven cut. Check the pressure at the valve stem (Figure 35). Check the tires when they are cold to get the most accurate pressure reading.
File down any nicks and sharpen the Checking for Bent Blades blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement 1. Raise the height-of-cut lever to the transport blade. For convenient sharpening and replacement, you position, cutting height position G (also the may want to keep extra blades on hand.
The blades must be replaced if a solid object is hit, if the blade is out of balance, or the blade is bent. To ensure optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other Figure 40 manufacturers may result in non-conformance with 1.
5. Carefully rotate the blade(s) side to side (Figure 41). If both measurements are not within 3/16 inch (5 mm), an adjustment is required; continue with this procedure. Figure 41 G005074 1. Blades side to side 3. Measure here 2. Outside cutting edges 6.
6. Measure from the tip of the front blade to the flat is 1/16-5/16 inch (1.6-7.9 mm) lower than the rear surface and the tip of the rear blade to the flat blade tip (Figure 43). surface (Figure 43). If the front blade tip is not 10.
The spring is under tension when installed and can cause personal injury. Be careful when removing the belt. G005077 Figure 46 1. Mower deck 3. Rear lift rod 2. Hanger bracket G005078 6. Slide the mower deck rearward to remove the mower belt from the engine pulley.
Replacing the Grass Deflector 6. Place the spring on the rod, with end wires down, and between the grass deflector brackets. Slide rod Service Interval: Before each use or daily—Inspect the through second grass deflector bracket (Figure 48). grass deflector for damage 7.
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 8. Run the mower again for one to three minutes to Mower remove excess water.
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 1. Disengage the blade control switch, move the Maintenance section. With the spark plug(s) motion controls outward to the park position, stop removed from the engine, pour two tablespoons of the engine, and remove the key.
Troubleshooting Problem Possible Cause Corrective Action The engine overheats. 1. The engine load is excessive. 1. Reduce ground speed. 2. The oil level in the crankcase is low. 2. Add oil to the crankcase. 3. The cooling fins and air passages 3.
Page 41
Problem Possible Cause Corrective Action There is abnormal vibration. 1. The engine mounting bolts are loose. 1. Tighten the engine mounting bolts. 2. The engine pulley, idler pulley, or blade 2. Tighten the appropriate pulley. pulley is loose. 3. The engine pulley is damaged. 3.
Page 43
Spypros Stavrinides Limited Cyprus 357 22 434131 Surge Systems India Limited India 91 1 292299901 Hungary T-Markt Logistics Ltd 36 26 525 500 Toro Australia Australia 61 3 9580 7355 Toro Europe BVBA 32 14 562 960 Belgium 374-0102 Rev A...
Page 44
Instructions for Obtaining Warranty Service The Toro® Company and its afliate, Toro Warranty Company, If you think that your Toro Product contains a defect in materials pursuant to an agreement between them, jointly promises to the or workmanship, follow this procedure: original purchaser* to repair any Toro Product used for normal 1.