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SECTION IV (Con't.)
Cleaning and Inspection and Repair
(1) Clean the outside of the generator with a cloth dampened
with an approved cleaning solvent and dry thoroughly.
Clean all other metal parts in an approved solvent and
dry with a lint-free cloth.
(2) Inspect the terminal studs for corrosion. Remove all
corrosion and apply a thin film of grease.
(3) Inspect tie brushes through the holes in the end bell.
Replace brushes that are oil soaked or worn to less than
half their original length.
(4) Inspect the pulley and fan for cracks, breaks, and distor-
tion. Straighten a bent or distorted pulley and fan.
Replace a pulley or fan damaged beyond repair.
(5) Inspect all attaching hardware for distortion and damaged
threads. Replace if defective.
The generator regulator is a 12-volt unit
4-7
Generator Regulator.
provided to control the charging current from the generator to the
battery.
Defects in the generator or regulator
(A) On-Engine Testing.
are indicated on the ammeter by a continuous high-charg-
ing rate when the battery is fully charged, or by a low
or no-charging rate when the battery is low.
(1) When a high charging rate is indicated, run the
engine at operating speed and disconnect the lead
from the field terminal.
If the output remains high
the trouble is in the generator. Replace or repair
a defective generator.
If the output drops off, the
-60-

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