Excessive Noise Or Vibration; Maintenance - Greenheck VSU Installation, Operation And Maintenance Manual

Troubleshooting

Excessive Noise or Vibration

Belts worn or loose?
No
Sheaves aligned?
Yes
Wheel unbalanced?
No
Bearings worn or
need lubrication?
No
Wheel rubbing on inlet?
No
®
Yes
Replace worn belts or tighten loose belts.
Reference: Maintenance - Routine, V-Belt Drives, pg. 31
No
Reference: Maintenance - Routine, V-Belt Drives, pg. 31
Yes
Yes
Replace worn bearings or lubricate bearings as needed.
Reference: Maintenance - Routine, Bearings, pg. 32
Yes
Align sheaves.
Clean and/or balance wheel(s).
Adjust wheel(s) or inlet.
At this time noise and vibration
should be at acceptable levels.
Model VSU Make-Up Air 25