Toro 22306 Operator's Manual page 45

Problem
The engine overheats.
Abnormal vibration.
The traction unit does not
drive.
Possible Cause
1. The engine load is
excessive.
2. The oil level in crankcase
is low.
3. The cooling ns and
air passages under the
engine blower housing
are plugged.
1. The engine mounting
bolts are loose.
1. The parking brake is on.
2. The hydraulic uid level
low.
3. The tow valves are open. 3. Close the tow valves.
4. The hydraulic system is
damaged.
45
Corrective Action
1. Reduce ground speed.
2. Check and add oil to the
crankcase.
3. Remove any obstructions
from the cooling ns and
air passages.
1. Tighten the engine
mounting bolts.
1. Release the parking
brake.
2. Check and add hydraulic
uid.
4. Contact Authorized
Service Dealer.