Toro 74010HD - Page 69

T roubleshooting
Problem
Possible Cause Corrective Action
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 ns and air passages
under the engine-blower housing are
plugged.
3. Remove the obstruction from the
cooling ns and air passages.
4. The air cleaner is dirty .
4. Clean or replace the air-cleaner
element.
The engine overheats.
5. Dirt, water , or stale fuel is in the fuel
system.
5. Contact an Authorized Service Dealer
1. The engine is too hot.
1. Shut of f the engine and let it cool.
2. There is old fuel in the fuel tank. 2. Use new fuel.
3. The fuel-shutof f valve is not open
completely .
3. Open the fuel-shutof f valve.
4. The air cleaner is dirty . 4. Make sure that the air cleaner and
precleaner are clean. Replace if
necessary .
5. The battery is not charged.
5. Charge or replace the battery .
6. Incorrect fuel lters are being used or
the fuel lters are dirty .
6. Contact an Authorized Service Dealer .
7. The connections to the sensors
electronic-control unit (ECU) and fuel
injectors are not secured properly .
7. Contact an Authorized Service Dealer .
8. There is low voltage from the battery .
8. Ensure that you are using a good 12 V
battery and that it is fully charged.
The malfunction-indicator light (MIL)
comes on.
9. A fuse is blown. 9. Check and replace any blown fuses.
1. The blade-control switch is engaged. 1. Disengage the blade-control switch.
2. The parking brake is disengaged. 2. Engage the parking brake.
3. The motion-control levers are not in
the N EUTRAL - LOCK position.
3. Move the motion-control levers
outward to the N EUTRAL - LOCK position.
4. Y ou are not sitting in the operator ’ s
seat.
4. Sit on the operator ’ s seat.
5. The battery is dead.
5. Charge the battery .
6. The electrical connections are
corroded or loose.
6. Check the electrical connections for
good contact.
7. A fuse is blown. 7. Replace the fuse.
The starter does not crank.
8. A relay or switch is damaged.
8. Contact an Authorized Service Dealer .
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