Troubleshooting - Toro 71228 Operator's Manual

Troubleshooting

Problem
The starter does not crank.
The engine will not start, starts g
hard, or fails to keep running. h d f il t k
The engine overheats.
Possible Causes
1. The blades (PTO) are
engaged.
2. The parking brake is not on.
3. The battery is dead.
4. The electrical connections are
corroded or loose.
5. A fuse is blown.
6. A relay or switch is damaged.
1. The operator is not seated.
i
2. The fuel tank is empty.
3. The air cleaner is dirty.
4. The spark plug wire is loose or
disconnected.
5. The spark plug is pitted, fouled,
or the gap is incorrect.
6. The choke is not closing.
7. There is dirt in the fuel filter.
8. The idle speed is too low or the
mixture is incorrect.
9. Dirt, water, or stale fuel is in the
fuel system.
1. The engine load is excessive.
2. The oil level in the crankcase is
low.
3. The cooling fins and air
passages under the engine
blower housing are plugged.
1. Shift the blade control (PTO)
lever to Disengaged.
2. Set the parking brake.
3. Charge the battery.
4. Check the electrical
connections for good contact.
5. Replace the fuse.
6. Contact an Authorized Service
Dealer.
1. Sit on the seat.
2. Fill the fuel tank with gasoline.
3. Clean or replace the air cleaner
element.
4. Install the wire on the spark
plug.
5. Install a new, correctly-gapped
spark plug.
6. Adjust the throttle cable.
7. Replace the fuel filter.
8. Adjust the carburetor idle
speed and idle mixture.
9. Contact an Authorized Service
Dealer.
1. Shift into lower gear to reduce
ground speed.
2. Add oil to the crankcase.
3. Remove the obstruction from
the cooling fins and air
passages.
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Corrective Action