Toro 25430A Operator's Manual page 69

Problem
There is excessive white smoke in the
exhaust.
The engine loses power.
The machine does not drive.
Possible Cause
1. The key was turned to the Start position
before the glow plug light turned off.
2. The engine temperature is low.
3. The glow plugs are not operating.
4. The injection pump timing is incorrect.
5. The injection nozzles are damaged.
6. The engine has low compression.
1. The engine is under an excessive load.
2. The engine oil level is either too low or
too high.
3. The air cleaning system elements are
dirty.
4. There is dirt or water in the fuel system.
5. The engine overheats.
6. There is air in the fuel.
7. The engine has low compression.
8. The fuel tank vent is restricted.
9. The injection pump timing is incorrect.
10. The injection pump is damaged.
1. The parking brake is engaged.
2. The hydraulic fluid level is low.
3. The tow valves are open.
4. The pump and/or motor is damaged.
5. The relief valve is damaged.
69
Corrective Action
1. Turn the key to the Run position and
allow the glow plug light to turn off
before starting the engine.
2. Check the thermostat and replace it if
necessary.
3. Check the fuse, glow plugs, and wiring.
4. Contact your Authorized Service
Dealer.
5. Contact your Authorized Service
Dealer.
6. Contact your Authorized Service
Dealer.
1. Reduce the ground speed of the
machine.
2. Either add or drain the engine oil until
the oil level is at the Full mark.
3. Service the air cleaning system
elements.
4. Drain and flush the fuel system; add
fresh fuel.
5. Check the engine oil level and add oil
as needed; also check and service the
coolant system, if necessary.
6. Bleed the nozzle and check for air
leaks at the fuel hose connections and
the fittings between the fuel tank and
the engine.
7. Contact your Authorized Service
Dealer.
8. Loosen the cap. If the engine runs with
the cap loosened, replace the cap.
9. Contact your Authorized Service
Dealer.
10. Contact your Authorized Service
Dealer.
1. Release the parking brake.
2. Add hydraulic fluid to the reservoir.
3. Close the tow valves.
4. Contact your Authorized Service
Dealer.
5. Contact your Authorized Service
Dealer.