Machine Vibrating

PROBLEM

Possible Cause

Corrective Action

•Material buildup on impellers.

•Shaft bent (.001" max. runout per 10' of length).

•Bearing failure.

•Faulty replacement motor installed.

•Motor imbalance.

•Machine reassembled incorrectly.

•Motor not aligned in casing, impellers rubbing.

•Bearing(s) cramped due to improper ﬁt.

•Improper motor voltage causing operation at incorrect speed.

•Liquids passing through machine.

•Material passing through vacuum producer.

•Machine operating in surge or unbalanced ﬂow range.

•Machine not mounted on solid foundation (e.g., on unstable catwalk).

Clean impellers, check ﬁlter bags for holes.

Straighten shaft.

Replace bearing(s).

Replace with correct motor.

Disassemble machine, balance motor.

Disassemble machine, reassemble following instructions on pages 7-8.

Align motor, realign shaft.

Check bearings, shaft and housing, correct bearing ﬁt. Check voltage and wiring connections, correct voltage.

Do not use Industravac unit for liquid pickup. (Contact Spencer representative for portable wet separator.)

Disassemble, clean and inspect all parts, check ﬁlter bags for holes. Increase air ﬂow to stop surge condition.

Reinforce the foundation.

(Check with putty and thermometer; consult Spencer Service Dept. for assistance.)

• Ambient temperature too high for insulation class.		Cool motor or replace with motor having proper insulation.
•	Incorrect voltage.	Change to correct voltage.
•	Incorrect cycle.	Change to correct cycle.
•	Electrical short-circuit; insulation failure.	Repair or replace motor.
•	Motor overloaded.	Upgrade to larger Industravac unit, or reduce amount of air in
		vacuum producer. Verify amperage of motor. Set air gate.
•	Leaks in system.	Check components and tubing system for leaks.
•	Unbalanced voltage supply.	Consult power company for correction.