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19
Starter/Generator
495
COMMUTATOR CLEANING AND INSPECTION
1.
Clean the carbon dust, dirt and oil from the commutator. Visually inspect the commutator for worn, burned or
glazed areas. Check for loose or raised commutator bars. Slight roughness of the commutator can be polished
away with 400 grit (or finer) sandpaper. See following CAUTION.
CAUTION
• Do not use emery cloth on the commutator. Particles of emery are conductive and may short-circuit
the commutator bars. Do not use oil or lubricants on the commutator or brushes.
2.
Using a micrometer, measure the outside diameter at two points along the commutator. If the commutator outside
diameter is less than 1.535 inches (39 mm), replace the armature and bearings (Figure 19-12, Page 19-9).
Page 19-8
2019 Carryall 550 Maintenance and Service Manual
1
6
7
Figure 19-11 Field Coil Assembly
GASOLINE VEHICLE - ELECTRICAL
COMPONENTS
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Troubleshooting
