Troubleshooting
Problem
Possible Cause
Corrective Action
1. Belt may be loose or broken.
1. Replace belt or adjust the tension of
the belt.
The fan quits turning.
2. Bearing pressed in the bearing mount
may be damaged.
2. Replace the bearing, use #609 Loctite
when replacing.
1. The bearing on the fan shaft is
damaged.
1. Replace the bearings.
2. Material is built up on the fan blades.
2. Clean out any build up on the inside of
the housing.
There is excessive vibration.
3. The RPM of the PTO shaft is too fast.
3. Reduce the PTO speed to 540 RPM.
1. The air slots are clogged with debris.
1. Clean out any debris from the slots.
2. The RPM on the tractor is too slow.
2. Increase the PTO speed to 540 RPM.
There is lack of adequate air flow.
3. The throttle on the tractor engine is too
low.
3. Make any necessary repairs to bring
the tractor speed up to normal.
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