Toro 23510 Operator's Manual page 30

Troubleshooting
Problem
The engine will not start, starts hard, or
fails to keep running.
The engine loses power.
The engine overheats.
The machine pulls to the left or the right.
The machine does not drive.
There is abnormal vibration.
Possible Cause
1. The fuel tank is empty.
2. The fuel shutoff valve is closed.
3. There is dirt in fuel filter.
4. Dirt, water, or stale fuel is in the fuel
system.
5. The air cleaner is dirty.
6. The spark plug is old or improperly
gapped.
7. The spark-plug wire is not connected.
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 for
the engine are plugged.
5. Dirt in fuel filter.
6. 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 for
the engine are plugged.
1. The tire pressure in the drive tires is
not correct.
1. The drive or pump belt is worn, loose,
or broken.
2. The drive or pump belt is off a pulley.
3. The transmission oil level is low.
4. The self-propel cable needs adjustment
or is broken.
1. The blade(s) is/are bent.
2. The engine mounting bolts are loose.
3. The engine pulley or idler pulley is
loose.
4. The engine pulley is damaged.
5. The belt is damaged.
30
Corrective Action
1. Fill the fuel tank.
2. Open the fuel shutoff valve.
3. Replace the fuel filter.
4. Contact an Authorized Service Dealer.
5. Clean or replace the air-cleaner
elements.
6. Adjust or replace the spark plug.
7. Check the spark-plug wire connection.
1. Reduce the ground speed or slicing
depth.
2. Clean or replace the air-cleaner
elements.
3. Add oil to the crankcase.
4. Remove the obstructions from the
cooling fins and air passages.
5. Replace the fuel filter.
6. Contact an Authorized Service Dealer.
1. Reduce the ground speed or slicing
depth.
2. Add oil to the crankcase.
3. Remove the obstructions from the
cooling fins and air passages.
1. Adjust the tire pressure in the drive
tires.
1. Change the belt.
2. Change the belt.
3. Add hydraulic oil to the transmission.
4. Adjust or replace the cable.
1. Install new blade(s).
2. Tighten the engine mounting bolts.
3. Tighten the appropriate pulley.
4. Contact an Authorized Service Dealer.
5. Install a new belt.