Voltage Regulator Adjustment cont'd

TM 9-2320-360-20-2

7-2. ALTERNATOR TEST/VOLTAGE REGULATOR ADJUSTMENT (CONT)

(8) Remove plastic screw (6) from access hole in

cover (7).

(9) Connect voltmeter leads across positive (+)

terminal (8) and negative (-) terminal (9).

(10) Start and operate engine at idle with aid of

assistant (TM 9-2320-360-10).

(11) Insert small screwdriver in access hole cover.

CAUTION

Do not force adjusting screw past

stops at either end of range.

Damage to voltage regulator may

result.

NOTE

Turn adjusting screw clockwise to

increase voltage, counterclockwise

to decrease voltage.

Replace alternator

28.02

volts

cannot be obtained.

(12) Turn adjusting screw (10) until voltage of 28.02

is achieved.

(13) Install plastic screw (6) in access hole of cover

(7).

(14) Disconnect voltmeter test leads from negative (-)

terminal (9) and positive (+) terminal (8).

NOTE

If voltage at batteries is not within

specifications, after voltage regulator

adjustment, refer to Electrical System

Troubleshooting.

(15) Test alternator output at batteries (para 7-2a).

d. Follow-On Maintenance

(1)

Shut off engine (TM 9-2320-360-10).

(2)

Close battery box (TM 9-2320-360-10).

(3)

Install alternator access panel (para 16-2).

(4)

Install inner fender (para 16-34).

7-4.2 Change 1