GE Custom 8000 Instructions Manual page 31

DLCGEEP-124-I/000, Approved, 2016-11-11, CampinasDM
Trouble
Overheating (cont'd)
Bearings Noisy
Vibrating
(antifriction type).
Low insulation resistance
or insulation failure.
GE Industrial Control Systems GEEP-124-I
TROUBLE - SHOOTING CHART
Possible Cause
Insufficient oil
Contamination
improper grade of oil
Oil rings rotating slowly or not
rotating at all (if oil rings are
used).
Rings bent
damaged in reassembling.
Oil seals bound up or damaged.
or Defective bearings or rough
journal.
Wrong-grade of grease
Insufficient grease
Too much grease
Defective or damaged bearing
Foreign material in grease.
Moisture
Dirt
Conducting particles
penetrated insulation.
GEEP-124-I Horizontal Induction Motor
Add oil; if oil supply is very low,
drain, flush with clean oil, and refill.
in oil or Drain the oil. Flush with clean oil, and
relubricate using oil viscosity specified
on nameplate.
Oil ring has worn spot, replace with
new ring.
or otherwise Replace oil rings.
Replace seals.
Replace bearings or resurface shaft.
Remove old grease and relubricate
using grease recommended by this
Instruction Book.
Remove relief plug and regrease
bearing. Replace plug after ½ hour
running.
Remove relief plugs and let motor run
until excess grease is purged. Then
reinstall plug.
Replace bearing.
Remove
contaminated grease from bearings.
Relubricate until only clean grease is
exiting relief plug.
Dry winding
Clean winding
have Obtain expert help for repair.
Copyright 1997,1998 The General Electric Company, USA
WPI, Antifriction Bearing
Action
relief plug. Purge
31