Spencer SeriesA,B,C,D,V - Manual (Page 12)

12
Possible Cause
VI. Troubleshooting Guide - Vacuum Producer
(cont.)
PROBLEM
MACHINE
VIBRATING
MOTOR
HOT
Corrective Action
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 mobile wet separator.)
Disassemble, clean and inspect all parts, check filter bags for holes.
Increase air flow to stop surge condition.
Reinforce the foundation.
Cool motor or replace with motor having proper insulation.
Change to correct voltage.
Change to correct cycle.
Repair or replace motor.
Upgrade to larger Industravac unit, or reduce amount of air in
vacuum producer. Verify amperage of motor. Set air gate.
Check components and tubing system for leaks.
Consult power company for correction.
• 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).
• Ambient temperature too high for insulation class.
• Incorrect voltage.
• Incorrect cycle.
• Electrical short-circuit; insulation failure.
• Motor overloaded.
• Leaks in system.
• Unbalanced voltage supply.
(Check with putty and thermometer; consult Spencer Service Dept. for assistance.)