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Form No. 3381-467 Rev B TimeCutter ® ZS 4200S Riding Mower Model No. 74389—Serial No. 314000001 and Up *3381-467* B Register at www.Toro.com. Original Instructions (EN)
You are responsible for operating the product properly and safely. This product contains a chemical or chemicals You may contact Toro directly at www.Toro.com for product known to the State of California to cause cancer, and accessory information, help finding a dealer, or to register birth defects, or reproductive harm.
• Wear appropriate clothing; including a hard hat, safety Toro designed and tested this mower for reasonably safe glasses, long pants, safety shoes, gloves, and hearing service; however, failure to comply with the following protection.
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• • Do not change the engine governor setting or overspeed If fuel is spilled on clothing, change your clothing the engine. immediately. • Stop on level ground, disengage drives, engage the • Do not overfill fuel tank. Replace fuel cap and tighten parking brake (if provided), shut off the engine before securely.
Toro Mower Safety Slope Operation All slopes and ramps require extra caution. If you feel uneasy The following list contains safety information specific to Toro on a slope, do not mow it. products and other safety information you must know.
Model 74389 specifications of our equipment. For peace of mind, insist on Toro genuine parts. • Check brake operation frequently. Adjust and service as Sound Pressure required. This unit has a sound pressure level at the operator’s ear of 88 dBA, which includes an Uncertainty Value (K) of 1 dBA.
Slope Indicator G011841 Figure 3 This page may be copied for personal use. 1. The maximum slope you can safely operate the machine on is 15 degrees. Use the slope chart to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than 15 degrees. Fold along the appropriate line to match the recommended slope.
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. 93-7009 1. Warning—don't operate the mower with the deflector up or removed;...
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114-1606 1. Entanglement hazard, belt—keep all guards in place. 119-8814 1. Parking position 4. Neutral 2. Fast 5. Reverse 3. Slow 120-5469 1. Height-of-cut 119-8815 1. Parking position 4. Neutral 2. Fast 5. Reverse 3. Slow 121-2989 1. Bypass lever position for 2.
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Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 2. No fire, open flame, or 7. Wear eye protection; smoking. explosive gases can cause blindness and other 130-6877 injuries 3.
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120-2239 1. Warning—read the Operator's Manual. 5. Warning—do not use split ramps, use a full ramps when transporting machine. 2. Warning—read the instructions before servicing or performing 6. Loss of traction/control hazard, slopes—loss of traction/control maintenance; move the motion control levers to the park on a slope, disengage the blade control switch (PTO), (brake) position, remove the ignition key and disconnect the proceed off the slope slowly.
Product Overview Figure 4 1. Deflector 4. Height-of-cut lever 7. Footrest 10. Control panel 2. Rear drive wheel 5. Operator seat 8. Engine 11. Engine guard 3. Motion-control levers 6. Smart Speed™ lever 9. Fuel-tank cap 12. Front caster wheels Controls however, always remove the key when leaving the machine to prevent someone from accidentally starting the engine...
Smart Speed™ Control-System Lever Operation The Smart Speed™ Control-System lever, located below the Note: Determine the left and right sides of the machine operating position, gives the operator a choice to drive the from the normal operating position. machine at 2 speed ranges—high and low (Figure 6). Adding Fuel •...
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of varnish deposits in the fuel system, use fuel stabilizer DANGER at all times. In certain conditions during fueling, static electricity can be released causing a spark which Filling the Fuel Tank can ignite the gasoline vapors. A fire or explosion Ensure that the engine is shut off and the motion controls are from gasoline can burn you and others and can in the parked position.
3. Install the fuel-tank cap securely, and tighten until it clicks. Checking the Engine-oil Level Before you start the engine and use the machine, check the oil level in the engine crankcase; refer to Checking the Engine-oil Level (page 28). Breaking In a New Machine New engines take time to develop full power.
Understanding the Safety-interlock Starting the Engine System 1. Sit down on the seat, and move the motion controls outward to the park position. WARNING 2. Disengage the blades by moving the blade control If safety-interlock switches are disconnected or switch to Off (Figure 12) damaged, the machine could operate unexpectedly causing personal injury.
Note: When the engine starts, release the key. 3. Pull up on the blade-control switch to move it to the On position, and engage the blades (Figure 15). Important: Do not engage the starter for more than 10 seconds at a time. If the engine fails to start, allow a 60 second cool-down period between attempts.
4. Move either motion-control lever to the center, unlocked position. 5. Try starting the engine; the engine should not crank. 6. Repeat with the other motion-control lever. 7. While sitting on the seat, move the blade-control switch to Off, and lock the motion-control levers in the park position.
Driving Backward WARNING 1. Move the levers to the center, unlocked position. Removing your hands from the motion-control levers while the machine is in motion can 2. To go backward, look behind you and down, as you result in a loss of control causing harm to you slowly pull the motion-control levers rearward (Figure 20).
Adjusting the Height-of-Cut Positioning the Seat The seat can move forward and backward. Position the seat Height-of-cut is controlled by the lever located to the right of where you have the best control of the machine and are most the operating position (Figure 21). comfortable.
4. Repeat the adjustment for the opposite control lever. Adjusting the Tilt The motion-control levers can be tilted fore or aft for maximum operator comfort. 1. Loosen the upper bolt holding the control lever to the control-arm shaft. 2. Loosen the lower bolt just enough to pivot the control lever fore or aft (Figure 23).
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G009660 9. Lower the grass deflector over the discharge opening Important: Ensure that the mower has a hinged grass deflector that disperses clippings to the side and down toward the turf, while in side-discharge mode. Installing the Discharge Cover for Mulching 1.
Operating Tips Note: Do not overtighten the nuts; this could distort the cover and cause blade contact. Using the Fast Throttle Setting For best mowing and maximum air circulation, operate the engine at the Fast throttle 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.
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Check the mower blades after each use 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 Service Interval: Every 25 hours—Grease all the lubrication Raising the Seat points. Make sure that the motion-control levers are locked in the Grease Type: No. 2 General Purpose, Lithium-Base Grease park position, and lift the seat forward. 1.
Engine Maintenance 4. Clean all air-cleaner components of any accumulated dirt or foreign material. Note: Prevent any dirt from entering the carburetor. Servicing the Air Cleaner 5. Install the air-cleaner element with the pleated side Service Interval: Before each use or daily—Check the air out and seat the rubber seal onto the edges of the cleaner for dirty, loose or damaged parts.
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2. Disengage the blade-control switch and move the motion controls outward to the park position. 3. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 4. Clean the area around the drain valve and on the machine frame.
G005177 Figure 35 1. Oil filter 3. Adapter 2. Gasket 19. Slowly pour approximately 80% of the specified oil into the filler tube (Figure 32). 20. Install the oil-fill cap and dipstick, and push it firmly Figure 34 into place (Figure 32). 1.
16 ft-lb 22 N-m G014537 Figure 36 1. Spark plug and wire location G010687 Figure 38 Checking the Spark Plug Important: Do not clean the spark plug(s). Always Cleaning the Cooling System replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, or cracks.
Fuel System 4. Squeeze the ends of the hose clamps together and slide them away from the filter (Figure 39). Maintenance 5. Remove the filter from the fuel lines. 6. Install a new filter with the flow-direction arrow DANGER coming from the fuel tank and pointing to the engine. In certain conditions, gasoline is extremely 7.
Electrical System WARNING Maintenance Incorrect battery-cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to WARNING explode, resulting in personal injury. • Always disconnect the negative (black) CALIFORNIA battery cable before disconnecting the Proposition 65 Warning positive (red) cable.
Charging the Battery Servicing the Fuses Service Interval: Before storage—Charge the battery and The electrical system is protected by fuses. It requires disconnect battery cables. no maintenance; however, if a fuse blows, check the component/circuit for a malfunction or short. 1.
Releasing the Electric Brake Drive System Maintenance The electric brake releases by manually rotating the link arms forward. Once the electric brake is energized the brake will reset. Checking the Tire Pressure To release the brake: 1. Locate the shaft on the electric brake where the Service Interval: Every 25 hours—Check tire pressure.
If a blade is damaged or worn, replace 2. Curved area 4. Damage it immediately with a genuine Toro replacement blade. For convenient sharpening and replacement, you may want to keep extra blades on hand. Checking for Bent Blades...
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2. Measurement (position used previously) optimum performance and continued safety conformance 3. Opposing side of blade being moved into measurement of the machine, use genuine Toro replacement blades. position Replacement blades made by other manufacturers may result in non-conformance with safety standards.
2. Install the blade stiffener, the curved washer (cupped side toward the blade), and the blade bolt (Figure 50). 3. Torque the blade bolt to 47 to 88 N-m (35 to 65 ft-lb). Leveling the Mower Deck Check to ensure that the mower deck is level any time you install the mower or when you see an uneven cut on your lawn.
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G005278 G015323 Figure 54 Mower decks with 3 Blades Figure 55 1. Hanger bracket 4. Side locking nut. 1. Blades side to side 3. Outside cutting edges 2. Slotted-adjustment 5. Side carriage bolt 2. Sail area of blade 4. Measure from the tip of the position blade to the flat surface here...
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G009658 Figure 58 Mower decks with 2 Blades G015325 Figure 57 1. Blades front to rear 2. Measure from the tip of the blade to the flat surface here 1. 6.35 mm (1/4 inch) 2. 3.2 mm (1/8 inch) 13. Stop the deck at the adjusted position, and tighten the side locking nut on the hanger bracket to hold the new position (Figure 56).
G014634 Figure 60 1. Adjusting rod 3. Lock nut 2. Adjusting block G014635 Figure 61 7. To raise the front of the mower, tighten the adjustment nut. 1. Front support rod 3. Deck bracket 2. Locking nut 8. To lower the front of the mower, loosen the adjustment nut.
Note: Retain all parts for future installation. Installing the Mower 1. Park the machine on a level surface and disengage the blade-control switch. 2. Move the motion-control levers outward to the park position, stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.
Mower Belt Maintenance Inspecting the Belts Service Interval: Every 25 hours—Check the belts for wear or 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.
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 9. Run the mower again for 1 to 3 minutes to remove excess water.
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Storage 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 Cleaning and Storage cylinder. Install the spark plug(s). Do not install the wire on the spark plug(s).
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Troubleshooting Problem Possible Cause Corrective Action The engine overheats. 1. The engine load is excessive. 1. Reduce the 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.
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Problem Possible Cause Corrective Action The cutting height is uneven. 1. The blade(s) is not sharp. 1. Sharpen the blade(s). 2. A cutting blade(s) is/are bent. 2. Install a new cutting blade(s). 3. The mower is not level. 3. Level the mower from side-to-side and front-to-rear.
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Schematics G014644 Electrical Diagram (Rev. A)
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The Way Toro Uses Information Toro may use your personal information to process warranty claims, to contact you in the event of a product recall and for any other purpose which we tell you about. Toro may share your information with Toro's affiliates, dealers or other business partners in connection with any of these activities. We will not sell your personal information to any other company.
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Authorized Toro Service Dealer. tractor structure that other components such as the engine are secured to, cracks or breaks in normal use, it will be repaired or replaced, at Toro's option, under warranty at no cost for parts General Conditions and labor.