Greenheck Fan 470658 MSX manual Excessive Noise or Vibration, Troubleshooting

Troubleshooting

Excessive Noise or Vibration

Belts worn or loose?		Yes
	No
		No
Sheaves aligned?
	Yes
		Yes
Wheel unbalanced?
	No

Bearings worn or need		Yes
lubrication?
	No
		Yes
Wheel rubbing on inlet?
	No

Replace worn belts or tighten loose belts.

(Reference V-Belt Drive Maintenance in the Maintenance section)

Align sheaves.

(Reference V-Belt Drive Maintenance in the Maintenance section)

Clean and/or balance wheel(s).

Replace worn bearings or lubricate bearings as needed. (Reference Bearing Maintenance in the Maintenance section)

Adjust wheel(s) or inlet.

At this time noise and vibration should

be at acceptable levels.

® Model MSX Make-Up Air 29