Taylor-Dunn BIGFOOT B5-440-36, Operation, T Roubleshooting And Replacement Parts Manual

Page: 60 / 130

Motor
Page 60
B5-440-36 / B5-440-48
MB-440-01
INSPECT/TESTING
Bearing
Note: The bearing in Motor spec DLGF112150-
4 consists of a combination bearing and
armature rotation sensor.
Bearing
Note: An “experienced ear” will be required to use
this procedure. If your are not familiar with
the normal sounds that emanate from a drive
axle, then the motor must be disassembled
to inspect the bearing.
Raise the rear wheels off of the ground and support with
jack stands.
Place a mechanics stethoscope on the rear motor
housing and listen to the bearing noise.
A faulty bearing will typically sound like a high pitch
grinding noise or squeal.
Electrical Testing
Electrical testing for the motor is included in the Electrical
Troubleshooting manual. Contact your Taylor-Dunn
representative for information on obtaining a copy of
the manual.
REMOVE/INSTALL
Refer to the Drive Axle section for information regarding
removing the motor.
MOTOR IDENTIFICATION
Shown below is a typical motor specification decal that
is applied to the motor.
The specification number on this illustration is for
reference only. Use the motor specification number on
your motor for parts and service information.