TrouBlE shooTIng
27
8. Trouble shooting
Instructions to determine the cause of abnormal behavior or failure conditions and proposed corrective
measures.
Should abnormal behavior arise when starting or operating the motor, the cause should be determined
and eliminated immediately, whereby prompt action can often avoid serious damage. In case of
phenomena which cannot be satisfactorily explained, please contact your local ABB sales office for
further clarification.
Use the guidelines below for trouble shooting.
Motors for heavy electrical vehicles, type AMXE132
Introduction
3BSY600011-BCM
6 (34)
Chapter 1
Introduction
1.1
General
The purpose of this document is to describe general guidelines for the installation, maintenance
and disposal of the AMXE132 motor.
•
Actions shown in this manual are only to be performed by trained personnel authorized by
ABB or authorized by the end user.
The actual appearance of the motor may vary from the illustrations in this manual, depending on
the final design.
Abbreviations and nomenclature used in this manual:
•
D-end or DE: Drive side of motor.
•
ND-end or NDE: Non drive side of motor.
•
WARNING: signal word used to indicate a potentially hazardous situation which, if not
avoided, can result in death or serious injury.
Symbols used in this manual:
Caution, risk of electric shock.
Safety Alert Symbol, warns of a potential personal injury hazard.
Warning, magnetic field.
Prohibition, No access for people with active implanted cardiac devices
(pace maker)
Warning – High Voltage
Touching a live motor connection causes serious injuries or death.
The motor must be isolated from the power supply system prior to carrying out any investigations.
Mechanical failures
Failure
Possible cause of failure
Corrective action
Motor is vibrating and generating
abnormal noise.
Damage bearing.
Please contact ABB for further instructions.
Motor starts with scraping noise.
Foreign particles in the air gap.
Please contact ABB for further instructions.
Motor starts with abnormal
permanent scraping noise.
Rotor and stator touch each other in
the air gap.
Please contact ABB for further instructions.
Motor is abnormally hot also at no
load.
Liquid cooling system is out of
order.
Check liquid cooling system’s functionality.
High vibrations at run out.
Too high residual unbalance.
Please contact ABB for further instructions.
Bearing failure during normal
operation.
Misaligned total driving axle system. Check the alignment, make corrections, and
contact ABB for further instructions.
Motor does not start at load,
normal magnetic noise.
Load torque too high.
Uncouple the motor and test it separately at no
load, compare the results with other motors
tested at no load.
Shaft torque disappear.
Loose coupling on the shaft.
Take the motor out of them chassis. Investigate
the shaft and coupling dimensions. Replace defect
component.
