Greenheck TSU Base Unit Manual (464441) - Manual (Page 25)

Make-Up Air Unit 25
®
Excessive Noise or Vibration
Troubleshooting
Sheaves aligned?
Align sheaves.
(Reference V-Belt Drives in the Maintenance section)
Wheel(s) unbalanced?
Clean and/or balance wheel(s).
Belts worn or loose?
Replace worn belts or tighten loose belts.
(Reference V-Belt Drives in the Maintenance section)
Yes
Yes
No
No
Yes
Bearings worn or need
lubrication?
Replace worn bearings or lubricate bearings as needed.
(Reference Bearings in the Maintenance section)
Yes
No
Wheel(s) rubbing on inlet?
Adjust wheel(s) or inlet.
At this time noise and vibration should
be at acceptable levels.
Yes
No
No