Greenheck IGK (472084) - Manual (Page 13)

13 Model IGK Make-Up Air
®
Troubleshooting
Excessive Noise or Vibration
Sheaves aligned?
Align sheaves.
(Reference V-Belt Drive maintenance in the Maintenance section)
Wheel unbalanced?
Clean and/or balance wheel(s).
Belts worn or loose?
Shipping fasteners
removed from
blower vibration isolators
Replace worn belts or tighten loose belts.
(Reference V-Belt Drive maintenance in the Maintenance section)
Remove shipping fasteners
from blower vibration isolators.
Yes
Yes
No
No
No
Yes
Yes
Bearings worn or need
lubrication?
Replace worn bearings or lubricate bearings as needed.
(Reference Bearing maintenance in the Maintenance section)
Yes
No
Wheel rubbing on inlet?
Adjust wheel(s) or inlet.
At this time noise and vibration should
be at acceptable levels.
Yes
No
No