Taylor-Dunn MB-238-00, Operation, T Roubleshooting And Replacement Parts Manual

Page: 67 / 194

Motor Service
Motor Page 3
Inspection
1. Measure the length of each motor brush.
• If any one brush is less than or equal to the service limit specified
in section
Service Limits
, then all four brushes should be
replaced. Refer to
Replacing the Brushes
section for
information regarding replacing the motor brushes.
Disassembly
1. Remove the motor from the vehicle. See the
Transmission
section for information on removing
the motor.
2. Remove the brush cover and pull the brushes out away from the commutator.
3. Remove the dust cap from the rear motor housing.
4. Place the motor in a press, and press the armature out of the rear bearing.
NOTE: Removing the armature will damage the motor bearing. The motor
bearing should be replaced whenever the armature is removed.
5. Remove the housing screws from the rear motor housing and remove the housing from the
motor.
6. Remove the nuts from the armature studs and remove the two brush assemblies.
7. Remove the bearing circlip and press the motor bearing out of the housing and discard.
MOTOR REMOVAL AND INSTALLATION
See the
Transmission
section for information on removing or installing the motor.
MOTOR INSPECTION