Cleaning and Inspection and Repair

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

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