Greenheck Hooded Propeller Roof Fans - Manuals

Belt Span Deflection = Belt Span 64 ROUTINE MAINTENANCE Once the fan has been put into operation, a periodic maintenance program should be set up to preserve the reliabilityand performance of the fan. Items to be included in this program are: • BELTS• BEARINGS• FASTENERS • SET SCREWS• LUBRICATION• R...

BEARINGS (For belt drive fans only) Bearings are the most critical moving part of the fan and should be inspected at periodic intervals. Locking collarsand set screws, in addition to fasteners attaching the bearings to the bearing plate, must be checked for tightness. In aclean environment and tempe...

IOM RB 10-95 TROUBLESHOOTING PROBLEM CAUSE CORRECTIVE ACTION System resistance is too high. Check backdraft dampers for proper operation.Remove obstructions in ductwork. Clean dirtyfilters. Check for adequate supply air for exhaust fans or exhaust air for supply fans. Reduced airflow Fan too close t...