Troubleshooting - Toro 70185 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 loses power.
Possible Causes
1. The blade control (PTO) is
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.
10.The engine is flooded.
11. The battery is dead.
1. The engine load is excessive.
2. The air cleaner element is dirty.
3. The oil level in the crankcase is
low.
4. The cooling fins and air
passages under the engine
blower housing are plugged.
5. The spark plug is pitted, fouled,
or the gap is incorrect.
6. There is dirt in the fuel filter.
7. Dirt, water, or stale fuel is in the
fuel system.
1. Disengage the blade (PTO).
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. Connect the wire to 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.
10.Remove the spark plug and dry
it out.
11. Charge the battery.
1. Shift into a lower gear to
reduce the ground speed.
2. Clean the air cleaner element.
3. Add oil to the crankcase.
4. Remove the obstruction from
the cooling fins and air
passages.
5. Install a new, correctly-gapped
spark plug.
6. Replace the fuel filter.
7. Contact an Authorized Service
Dealer.
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Corrective Action