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