Toro TimeCutter Z420 Operator's Manual page 36

Trou leshooti
Problem
The engine overheats.
The starter does not crank.
The engine will not start, starts
hard, or fails to keep running.
Possible Causes
1. The engine load is excessive.
2. The oil level in the crankcase is
low.
.
The cooling fins and air
passages under the engine
blower housing are plugged.
4. The air cleaner is dirty.
5. Dirt, water, or stale fuel is in
fuel system.
1. The blade control (PTO) is
engaged.
2. The motion control levers are
not in the brake position.
3. The operator is not seated.
4. The battery is dead.
5. The electrical connections are
corroded or loose.
6. A fuse is blown.
7. A relay or switch is damaged.
1. The fuel tank is empty.
2. The fuel valve turned off.
3. The choke is not on.
4. The air cleaner is dirty.
5. The spark plug wire(s) is loose
or disconnected.
6. The spark plug(s) is pitted,
fouled, or the gap is incorrect.
7. There is dirt in fuel filter.
.
Dirt, water, or stale fuel is in
fuel system.
9. There is incorrect fuel in the
fuel tank.
10.The oil level in the crankcase is
low.
Corrective Action
1. Reduce ground speed.
2. Add oil to the crankcase.
3. Remove the obstruction from
the cooling fins and air
passages.
4. Clean or replace the air cleaner
element.
5. Contact an Authorized Service
Dealer.
1. Move the PTO to Disengaged.
2. Move the motion control levers
to the brake position.
3. Sit on the seat.
4. Charge the battery.
5. Check the electrical
connections for good contact.
6. Replace the fuse.
7. Contact an Authorized Service
Dealer.
1. Fill the fuel tank.
2. Open the fuel valve.
3. Move the choke lever to On.
4. Clean or replace the air cleaner
element.
5. Install the wire(s) on the spark
plug.
6. Install a new, correctly gapped
spark plug(s).
7. Replace the fuel filter.
8. Contact an Authorized Service
Dealer.
9. Drain the tank and replace the
fuel with the proper type.
10.Add oil to the crankcase.
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