Troubleshooting - Toro 23522 Operator's Manual

Troubleshooting

Problem
The engine overheats.
The starter does not crank.
The engine does not start, starts hard, or
fails to keep running.
The engine loses power.
There is abnormal vibration.
Possible Cause
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.
4. The air cleaner is dirty.
5. Dirt, water, or stale fuel is in fuel
system.
1. The blade control switch is engaged.
2. The battery is dead.
3. The electrical connections are
corroded or loose.
4. A fuse is blown.
5. A relay or switch is damaged.
1. The fuel tank is empty.
2. The air cleaner is dirty.
3. The spark plug wire(s) is loose or
disconnected.
4. The spark plug(s) is pitted, fouled, or
the gap is incorrect.
5. There is dirt in fuel filter.
6. Dirt, water, or stale fuel is in fuel
system.
7. There is incorrect fuel in the fuel tank.
8. The oil level in the crankcase is low.
1. The engine load is excessive.
2. The air cleaner 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(s) is pitted, fouled, or
the gap is incorrect.
6. The fuel tank vent is blocked.
7. There is dirt in the fuel filter.
8. Dirt, water, or stale fuel is in the fuel
system.
9. There is incorrect fuel in the fuel tank.
1. The engine mounting bolts are loose.
2. The engine pulley, idler pulley, or blade
pulley is loose.
3. The engine pulley is damaged.
4. The cutting blade(s) is/are bent or
unbalanced.
5. A blade mounting bolt is loose.
6. A blade spindle is bent.
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Corrective Action
1. Reduce the 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. Disengage the blade-control switch.
2. Charge the battery. Turn the ignition
switch to O and remove the key
FF
when the machine is not in use to avoid
draining the battery.
3. Check the electrical connections for
good contact.
4. Replace the fuse.
5. Contact an Authorized Service Dealer.
1. Fill the fuel tank.
2. Clean or replace the air cleaner
element.
3. Install the wire(s) on the spark plug.
4. Install a new, correctly gapped spark
plug(s).
5. Replace the fuel filter.
6. Contact an Authorized Service Dealer.
7. Drain the tank and replace the fuel with
the proper type.
8. Add oil to the crankcase.
1. Reduce 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(s).
6. Contact an Authorized Service Dealer.
7. Replace the fuel filter.
8. Contact an Authorized Service Dealer.
9. Drain the tank and replace the fuel with
the proper type.
1. Tighten the engine mounting bolts.
2. Tighten the appropriate pulley.
3. Contact an Authorized Service Dealer.
4. Install a new cutting blade(s).
5. Tighten the blade mounting bolt.
6. Contact an Authorized Service Dealer.