16
Motor Component Testing and Inspection
754
Figure 16-10 Brush Rigging
MOTOR COMPONENT TESTING AND INSPECTION
See General Warnings on page 1-2.
ARMATURE INSPECTION AND TESTING
1.
Remove the motor from the vehicle. See Motor Removal on page 16-4.
2.
Remove the end cap and armature by performing steps 1 through 7 of Motor Disassembly on page 16-5.
Visual Inspection
• Burned, charred or cracked insulation
• Improperly cured varnish
• Thrown solder
• Flared armature windings
• Damaged armature core laminations
• Worn, burned or glazed commutators
• Dirty or oily commutators
• Raised commutator bars
• Worn armature bearing or shaft
A dirty or oily commutator should be cleaned and wiped dry. Abnormalities identified during the inspection can help
determine original cause of failure. Slight roughness of the commutator can be polished smooth with 400 grit or
finer sandpaper. See following CAUTION and NOTE.
Page 16-8
2019 Precedent Villager 2 Maintenance and Service Manual
755
Figure 16-11 Bearing Retaining Ring
ELECTRIC VEHICLE - MOTOR