Related Manuals for Toro 74390
Summary of Contents for Toro 74390
- Page 1 Form No. 3381-501 Rev B TimeCutter ® ZS 4200TF Riding Mower Model No. 74390—Serial No. 314000001 and Up *3381-501* B Register at www.Toro.com. Original Instructions (EN)
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Page 2: Introduction
You are responsible for operating the product properly and safely. WARNING You may contact Toro directly at www.Toro.com for product and accessory information, help finding a dealer, or to register CALIFORNIA your product. -
Page 3: Table Of Contents
Cleaning and Storage ..........44 Introduction ..............2 Troubleshooting ............45 Safety ................4 Schematics ..............47 Safe Operating Practices........... 4 Toro Riding Mower Safety ........6 Slope Indicator ............7 Safety and Instructional Decals ......... 8 Product Overview ............12 Controls ...............13 Operation ..............14 Adding Fuel............14... -
Page 4: Safety
In these instances, others from serious injury. Toro has refined the statement to convey the meaning of the • Always follow the recommendations for any application standard while better matching the product this Operator's of counterweights. - Page 5 Towing Safety • Do not mow slopes when grass is wet. Slippery conditions reduce traction and could cause sliding and • Do not attach towed equipment except at the hitch point. loss of control. • Follow the attachment manufacturer's recommendation •...
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Page 6: Toro Riding Mower Safety
Never interfere with the intended function of a safety device or to reduce the protection provided by a safety The following list contains safety information specific to Toro device. Check their proper operation regularly. products or other safety information that you must know that •... -
Page 7: Slope Indicator
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. -
Page 8: Safety And Instructional Decals
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;... - Page 9 119-8814 1. Parking position 4. Neutral 2. Fast 5. Reverse 3. Slow 121-2989 1. Bypass lever position for 2. Bypass lever position for pushing the machine operating the machine 119-8815 Manufacturer's Mark 1. Parking position 4. Neutral 1. Indicates the blade is identified as a part from the original 2.
- Page 10 109-7076 121-0772 1. Fast 4. Choke 2. Continuous variable setting 5. Power take-off (PTO), Blade control switch 3. Slow...
- Page 11 120-2239 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.
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Page 12: Product Overview
Product Overview g020157 Figure 4 1. Deflector 4. Height-of-cut lever 7. Footrest 10. Engine 2. Rear drive wheel 5. Operator seat 8. Fuel-tank cap 11. Engine guard 3. Motion-control levers 6. Smart Speed lever 9. Control panel 12. Front caster wheels... -
Page 13: Controls
Controls Motion-control Levers and Parking Brake Position Become familiar with all of the controls in Figure 4 and Figure 5 before you start the engine and operate the machine. The motion-control levers are speed-sensitive controls of independent-wheel motors. Moving a lever forward or backward turns the wheel on the same side forward or in reverse;... -
Page 14: Operation
Height-of-Cut Lever Operation The height-of-cut lever allows the operator to lower and Note: Determine the left and right sides of the machine raise the deck from the seated position. When the lever is from the normal operating position. moved up (toward the operator), the deck is raised from the ground, and when moved down (away from the operator), it is lowered toward the ground. -
Page 15: Filling The Fuel Tank
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. -
Page 16: Checking The Engine-Oil Level
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 27). Breaking In a New Machine New engines take time to develop full power. -
Page 17: Starting The Engine
Understanding the Safety-interlock System WARNING If safety-interlock switches are disconnected or damaged, the machine could operate unexpectedly causing personal injury. • Do not tamper with the interlock switches. • Check the operation of the interlock switches daily, and replace any damaged switches before operating the machine. -
Page 18: Operating The Blades
Figure 16 g017700 1. Control panel 2. Blade-control switch—On position Figure 15 1. Control panel 4. Off 5. Run 2. Choke control Disengaging the Blades 3. Ignition key 6. Start Push down on the blade-control switch to move it to the Off position, and disengage the blades (Figure 17). -
Page 19: Testing The Safety-Interlock System
Testing the Safety-interlock WARNING System The machine can spin very rapidly. The operator may lose control of the machine and cause personal Test the safety-interlock system before you use the machine injury or damage to the machine. each time. If the safety system does not operate as described below, have an Authorized Service Dealer repair the safety •... -
Page 20: Driving Forward
Using the Smart Speed™ Control Driving Forward System 1. Move the levers to the center, unlocked position. The Smart Speed™ Control-System lever, located below the 2. To go forward, slowly push the motion-control levers operating position (Figure 19), gives the operator a choice to forward (Figure 18). -
Page 21: Stopping The Machine
Driving Backward 2. Once at the desired cutting position, slowly lower the lever until it engages the position. 1. Move the levers to the center, unlocked position. The transport position is the highest height-of-cut position or 2. To go backward, look behind you and down, as you cutting height, 114 mm (4.5 inches) as shown in Figure 22. -
Page 22: Positioning The Seat
Adjusting the Motion-control Levers Adjusting the Height The motion-control levers can be adjusted higher or lower for maximum operator comfort. g019929 1. Remove the 2 bolts holding the control lever to the Figure 23 control-arm shaft (Figure 25). 1. Anti-scalp roller 4. -
Page 23: Converting To Side-Discharge Mode
1. Cutoff baffle Note: Ensure this is done for each lever. 8. For optimum performance in side-discharge mode, Converting to Side-discharge install the side-discharge blades (Toro part no. 110-6568-03) as described in Installing the Blades (page Mode 37). 1. Stop the engine and remove the ignition key. -
Page 24: Operating Tips
Cutting 1/3 of the Grass Blade the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade. It is best to cut only about 1/3 of the grass blade. Cutting more than that is not recommended unless grass is sparse, or it is late fall when grass grows more slowly. -
Page 25: Maintenance
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 • Change the engine oil. After the first 8 hours • Check the safety-interlock system. • Check the engine-oil level. •... -
Page 26: Premaintenance Procedures
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. -
Page 27: Engine Maintenance
Engine Maintenance Important: Never clean the paper element with pressurized air or liquids, such as solvent, gas, or kerosene. Replace the paper element if it is Servicing the Air Cleaner damaged or cannot be cleaned thoroughly. Note: Service the air cleaner more frequently (every few Servicing the Engine Oil hours) if operating conditions are extremely dusty or sandy. -
Page 28: Changing The Engine Oil
4. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. G014971 Figure 34 G008792 Figure 33 Changing the Engine Oil Service Interval: After the first 8 hours—Change the engine oil. Every 100 hours—Change the engine oil (more often in dusty, dirty conditions). -
Page 29: Servicing The Spark Plug
4. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure 35). G008796 Figure 35 G008748 Figure 36 Changing the Engine-oil Filter Note: Ensure that the oil-filter gasket touches the engine and then an extra 3/4 turn is completed. -
Page 30: Cleaning The Cooling System
Removing the Spark Plug Installing the Spark Plug 1. Disengage the PTO, move the motion-control levers to Tighten the spark plug(s) to 22 N-m (16 ft-lb). the neutral-locked position, and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. -
Page 31: Fuel System Maintenance
Fuel System 4. Squeeze the ends of the hose clamps together and slide them away from the filter (Figure 40). 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. -
Page 32: Electrical System Maintenance
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. -
Page 33: Servicing The Fuses
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. -
Page 34: Drive System Maintenance
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. -
Page 35: Mower Maintenance
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... -
Page 36: Removing The Blades
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. -
Page 37: Leveling The Mower Deck
Installing the Blades 1. Install the blade onto the spindle shaft (Figure 51). Important: The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting. 2. Install the blade stiffener, the curved washer (cupped side toward the blade), and the blade bolt (Figure 51). - Page 38 G009682 Figure 54 1. Blades side to side 3. Outside cutting edges 2. Sail area of blade 4. Measure here G005074 6. Move to the left side of the machine. Loosen, but do not remove, the rear locking nut on the hanger bracket (Figure 55).
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Page 39: Removing The Mower
Removing the Mower 1. Park the machine on a level surface and disengage the blade-control switch. G009658 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. -
Page 40: Installing The Mower
Replacing the Grass Deflector Service Interval: Before each use or daily—Inspect the grass deflector for damage. 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. - Page 41 g017618 Figure 61 1. Rod and spring assembly 3. Rod (short end) moved installed behind mower bracket 2. Loop end of the spring 4. Short end—retained by installed into the notch in the mower bracket. the deflector bracket 7. Secure the rod and the spring assembly by twisting it, so the short end of the rod can be placed behind the front bracket welded to the deck (Figure 61).
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Page 42: Mower Belt Maintenance
3. Set the height-of-cut at the lowest cutting position of mower pulleys (Figure 62). 38 mm (1-1/2 inches). 6. Using a spring removal tool (Toro part no. 92-5771), 4. Using a spring removal tool (Toro part no. 92-5771), install the idler spring over the deck hook and placing remove the idler spring from the deck hook to remove tension on the idler pulley and mower belt (Figure 62). -
Page 43: Cleaning
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. - Page 44 Storage 14. Check the condition of the drive and mower belts. 15. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is worn or damaged. Cleaning and Storage 16. Paint all scratched or bare metal surfaces. Paint is 1.
- Page 45 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.
- Page 46 Problem Possible Cause Corrective Action There is an 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 47 Schematics g017655 Electrical Diagram (Rev. A)
- Page 48 Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company. Australian Consumer Law: Australian customers will find details relating to the Australian Consumer Law either inside the box or at your local Toro Dealer.