Related Manuals for Toro 74432
Summary of Contents for Toro 74432
- Page 1 Form No. 3354-742 Rev A TimeCutter® ZD380 and ZD420 Riding Mowers Model No. 74432—Serial No. 260000001 and Up Model No. 74433—Serial No. 260000001 and Up Register your product at www.Toro.com Original Instructions (EN)
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Page 2: Table Of Contents
Contents Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Introduction ............2 Service Dealer or Toro Customer Service and have Safety ..............4 the model and serial numbers of your product Safe Operation Practices for ready. - Page 3 Maintenance............27 Recommended Maintenance Schedule(s) ....... 27 Premaintenance Procedures....... 28 Accessing the Machine....... 28 Lubrication..........29 Greasing the Bearings ......29 Engine Maintenance........29 Servicing the Air Cleaner ....29 Servicing the Engine Oil ....30 Servicing the Spark Plug ....32 Fuel System Maintenance ......
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Page 4: Safety
Safety ◊ being driven too fast; ◊ inadequate braking; Safe Operation Practices ◊ the type of machine is unsuitable for its for Ride-on (riding) Rotary task; Lawnmower Machines ◊ lack of awareness of the effect of ground conditions, especially slopes; This machine meets or exceeds European ◊... -
Page 5: Toro Riding Mower Safety
– stop the engine and remove the key. Toro Riding Mower Safety • Disengage drive to attachments, stop the engine, and disconnect the spark plug wire(s) The following list contains safety information or remove the ignition key specific to Toro products or other safety... -
Page 6: Sound Pressure
86 dBA, sparks, and flames away from battery. based on measurements of identical machines per • Use only genuine Toro replacement parts to EN 11094 and EN 836. ensure that original standards are maintained. - Page 7 This unit has an equivalent continuous A-weighted whole body vibration level of .195 m/s , based on measurements of identical machines per EN 1032. Model 74433 This unit has an equivalent continuous A-weighted hand/arm vibration level of 4.66 m/s , based on measurements of identical machines per EN 1033.
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Page 8: Slope Chart
Slope Chart... -
Page 9: 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. 93-7010 1. Thrown object hazard—keep bystanders a safe distance from the machine. - Page 10 Battery Symbols Some or all of these symbols are on your battery 106-8742 1. Explosion hazard 6. Keep bystanders a safe 1. Parking brake distance from the battery. 2. No re, open ame, or 7. Wear eye protection; smoking. explosive gases can cause blindness and other injuries 3.
- Page 11 110-6567 1. Warning—read the Operator’s Manual. 2. Warning—read the instructions before servicing or performing maintenance; move the motion control levers to the 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.
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Page 12: Product Overview
Product Overview Figure 3 1. Motion control lever 4. Collection bag 7. Mower deck 10. Cup holder 2. Height-of-cut lever 5. DFS lever 8. Recycle-on-demand lever 11. Footrest 3. Control panel 6. Operator’s position, seat 9. Rear drive wheel 12. Front caster wheel Figure 4 Collection bag removed 7. -
Page 13: Controls
Controls the same side forward or in reverse. Moving the control levers outward from the center position Become familiar with all of the controls in engages the parking brake and allows the operator Figure 3, Figure 4, Figure 5 and Figure 6 before to exit the machine (Figure 5). - Page 14 Ignition Switch The ignition switch has three positions, Off, Run and Start. The key will turn to Start and move back to Run upon release. Turing the key to the Off position will stop the engine; however, always remove the key when leaving the machine to prevent the engine from accidentally starting (Figure 6).
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Page 15: Operation
Operation Recommended Fuel Use Unleaded Regular Gasoline suitable for Note: Determine the left and right sides of the automotive use (87 pump octane minimum). machine from the normal operating position. Leaded regular gasoline may be used if unleaded regular is not available. Think Safety First Important: Never use methanol, fuel containing methanol, or gasohol containing... -
Page 16: Checking The Engine Oil Level
• Cleans the engine while it runs • Eliminates gum-like varnish buildup in the fuel In certain conditions during fueling, static system, which causes hard starting electricity can be released causing a spark Important: Do not use fuel additives which can ignite the fuel vapors. A fire or containing methanol or ethanol. -
Page 17: Driving Forward Or Backward
Figure 11 3. Start 1. Off 2. Run 4. Ignition Figure 9 Stopping the Engine 1. Blade control switch—On 2. Blade control switch—Off 1. Move the throttle lever to Fast (Figure 10). 2. Disengage the blades by moving the blade 3. -
Page 18: Operating The Blades
Operating the Blades Forward 1. Move the levers to the center, unlocked The blade control switch, represented by a power position. take-off (PTO) symbol, engages and disengages power to the mower blades. This switch controls 2. To go forward, slowly push the motion control power to any attachments that draw power from levers forward (Figure 12). -
Page 19: The Safety Interlock System
control lever to the center, unlocked position. Try starting the engine; the engine should not crank. Repeat with the other motion control Children or bystanders may be injured if lever. they move or attempt to operate the mower while it is unattended. 3. -
Page 20: Changing Operation Modes
Changing Operation Modes Operation in the Collection Mode The recycle-on-demand lever allows the operator ® to alternate functions between Recycler collection modes from the seated, operating position. Use the recycle-on-demand lever to As the bagger fills, extra weight is added to change modes. - Page 21 Emptying the Collection System Collection Bag Once the collection bag fills with enough grass The collection bag is retained in the engine cover to cover one or both of the sensors and break by seating the lever side pin into a holed bracket the infrared beam a beeping alarm will sound to in the right hand side of the engine cover.
- Page 22 Removing the Collection Chute As you are bagging, a small amount of grass clippings normally blow out the front of the mower. An excessive amount of clippings blowing out and no audible alarm signalling a full bag may indicate a plugged chute. The collection chute can be removed to be cleaned and safely cleared of any obstructions.
- Page 23 6. Return to the machine. Inspect the internal engine compartment and clear any clippings or debris dislodged during chute removal. Debris built up in the engine compartment, if not removed, could be ignited by a hot engine. A fire in the engine compartment could can burn you and others and can damage property.
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Page 24: Operation In The Recycler
Operation in the Recycler ® Mode Air is required to cut and recut grass clippings in the mower housing, so do not set the height-of-cut too low or completely surround the housing by uncut grass. Always try to have one side of the mower deck free from uncut grass;... -
Page 25: Pushing The Machine By Hand
Pushing the Machine by Adjusting the Footrest Hand The footrest can be adjusted forward or backward Important: Always push the machine for maximum operator comfort. by hand. Never tow the machine because Lift up the footrest and place the rods in the same damage may occur. - Page 26 If a blade is Mow at Correct Intervals damaged or worn, replace it immediately with a genuine Toro replacement blade. Normally, mow every four days. But remember, grass grows at different rates at different times.
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Page 27: 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 After the rst 5 operating • Change the engine oil. hours • Test the safety interlock system. •... -
Page 28: Premaintenance Procedures
Premaintenance front retaining clasp and lift the engine hood off the frame (Figure 25). Procedures Accessing the Machine Some internal components can be accessed by simply raising the seat. Use the following procedures to access to the internal components as needed when performing the maintenance procedures described in this manual. -
Page 29: Lubrication
forcing the hood down. Push down gently to seat the retaining pin. Figure 28 Figure 27 1. Front caster tire 1. Engine hood 3. Frame mating with slot in the hood. 2. Frame 2. Install the collection bag; refer to Operation, page 15. -
Page 30: Servicing The Engine Oil
Cleaning the Foam Element wait for all moving parts to stop before leaving the operating position. 1. Wash the foam element in liquid soap and 3. Remove the engine hood. warm water. When the element is clean, rinse it thoroughly. 4. - Page 31 Figure 34 1. Oil dipstick 2. Metal end Figure 32 4. Screw the oil dipstick fully onto the fill hole. Unscrew the dipstick, pull it out, and look at the end. If the oil level is low, slowly pour only enough oil into the fill hole to raise the level to, Checking the Oil Level but not over, the Full mark on the dipstick.
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Page 32: Servicing The Spark Plug
3. Apply a thin coat of clean oil to the rubber gasket on the replacement filter (Figure 36). Figure 36 1. Oil lter 3. Adapter 2. Gasket 4. Install the replacement oil filter to the filter adapter. Turn the oil filter clockwise until the Figure 35 rubber gasket contacts the filter adapter;... -
Page 33: Fuel System Maintenance
2. Tighten the spark plug to 30 ft-lb (41 N⋅m). 3. Push the wire onto the spark plug (Figure 37). 4. Close the access panel and tighten the fasteners to secure it shut. Important: Always make sure the panel is replaced and secured with the fasteners before operating the machine. -
Page 34: Replacing The Fuel Filter
Replacing the Fuel Filter Replace the fuel filter after every 100 operating hours or yearly, whichever occurs first. Never install a dirty filter if it is removed from the fuel line. 1. Park the machine on a level surface and disengage the blade control switch. - Page 35 Removing the Battery Battery terminals or metal tools could short 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 not allow the battery terminals to touch any metal parts of the machine.
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Page 36: Servicing The Fuses
the Battery in Electrical System Maintenance, disconnect the charger leads from the battery page 34. posts (Figure 43). Adding Water to the Battery The best time to add distilled water to the battery is just before you operate the machine. This lets the water mix thoroughly with the electrolyte solution. -
Page 37: Drive System Maintenance
6. Main-30 amp damaged or worn, replace it immediately with a 3. Positive battery cable 7. Charge circuit-25 amp genuine Toro replacement blade. For convenient 4. Battery 8. Open slots sharpening and replacement, you may want to keep extra blades on hand. - Page 38 To ensure optimum performance and continued safety conformance of the machine, use Checking for Bent Blades genuine Toro replacement blades. Replacement 1. Rotate the blades until the ends face forward blades made by other manufacturers may result in and backward (Figure 47).
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Page 39: Leveling The Mower From
Sharpening the Blades 1. Park the machine on a level surface and disengage the blade control switch. 1. Use a file to sharpen the cutting edge at both ends of the blade (Figure 49). Maintain the 2. Move the motion control levers to the brake original angle. -
Page 40: Adjusting The Front-To-Rear Blade Slope
Figure 52 Figure 53 1. Hairpin cotter and washer 3. Front hole 2. Leveling bracket 4. Rear hole 1. Leveling bracket 3. Adjusting rod 2. Adjusting block 4. Hairpin cotter and washer 8. Check the front-to-rear blade slope; refer to Adjusting the Front-to-Rear Blade Slope. -
Page 41: Removing The Mower
12. To raise the front of the mower, tighten the adjustment nuts. To lower the front of the mower, loosen the adjustment nuts. 13. After adjusting both adjustment nuts evenly, check the front-to-rear slope again. Continue adjusting the nuts until the front blade tip is 1/16-5/16 inch (1.6-7.9 mm) lower than the rear blade tip (Figure 55). -
Page 42: Installing The Mower
Check the belts for cracks, frayed edges, burn marks, or any other damage. Replace damaged belts. The spring is under tension when installed and can cause personal injury. Replacing the Mower Belt Be careful when moving the idler arm. Squealing when the belt is rotating, blades slipping 7. -
Page 43: Cleaning
Cleaning Cleaning the Collection Sensors The collection sensors do not require any scheduled maintenance, however; in the event that the collection bag alarm goes off and the bag is less than full, gently wipe off the faces of the sensors with a soft cloth. The cloth can be damp with water. -
Page 44: Storage
Storage Stop the engine, allow it to cool, and drain the fuel tank; refer to Draining the Fuel Tank in Fuel System Maintenance, page 33. Cleaning and Storage Restart the engine and run it until it stops. 1. Disengage the blade control switch, set the Choke or prime the engine. -
Page 45: Troubleshooting
Troubleshooting Problem Possible Cause Corrective Action The engine overheats. 1. The engine load is 1. Reduce ground speed. excessive. 2. The oil level in the 2. Add oil to the crankcase. crankcase is low. 3. The cooling ns and 3. Remove the obstruction air passages under the from the cooling ns and engine blower housing... - Page 46 Problem Possible Cause Corrective Action The engine will not start, 1. The fuel tank is empty. 1. Fill the fuel tank. starts hard, or fails to keep 2. The fuel valve turned off. 2. Open the fuel valve. running. 3. The choke is not on. 3.
- Page 47 Problem Possible Cause Corrective Action There is abnormal vibration. 1. The engine mounting 1. Tighten the engine bolts are loose. mounting bolts. 2. The engine pulley, idler 2. Tighten the appropriate pulley, or blade pulley is pulley. loose. 3. The engine pulley is 3.
- Page 48 Problem Possible Cause Corrective Action Collection sensor alarm 1. Collection bag is full. 1. Empty the collection sounding. bag. 2. Debris is covering sensor. 2. Remove collection bag and clean sensors with soft cloth. Uneven cutting height. 1. The blade(s) is not sharp. 1. Sharpen the blade(s). 2.
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Page 49: Schematics
Schematics Electrical Diagram (Rev. A)