Troubleshooting - Toro 30855 Operator's Manual

Troubleshooting

Problem
The fan quits turning.
There is excessive vibration.
There is lack of adequate air flow.
Possible Causes
1. The bolt on the PTO adapter
may be sheared.
1. The bearing on the fan shaft is
damaged.
2. Material is built up on the fan
blades.
3. The RPM of the PTO shaft is
too fast.
1. The air slots are clogged with
debris.
2. The RPM on the tractor is too
slow.
3. The throttle on the tractor
engine is too blow.
14
Corrective Action
1. Replace the bolt.
1. Replace the bearings.
2. Clean out any build up on the
inside of the housing.
3. Reduce the PTO speed to
540 RPM.
1. Clean out any debris from the
slots.
2. Increase the PTO speed to
540 RPM.
3. Make any necessary repairs to
bring the tractor speed up to
normal.