TM-9-2350-261-20-1

CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL - VOLUME 1 OF 4

TM-9-2350-261-20-1 - Page 194 of 346

TM 9-2350-261-20-1

200 AMP FULL FIELD CHARGE TROUBLESHOOTING

0022 00

INITIAL SETUP:

Maintenance Level

Unit

Tools and Special Tools

Alternator Test Kit (WP 0780 00, Item 78)

Electrical Connector Pliers (WP 0780 00, Item 44)

General Mechanic’s Tool Kit (WP 0780 00, Item 29)

Multimeter (WP 0780 00, Item 43)

Personnel Required

Unit Mechanic

References

WP 0294 00

Equipment Condition

Engine stopped (see your -10)

Carrier blocked (see your -10)

Ramp lowered (see your -10)

All radios and heaters OFF (see your -10)

Battery box cover removed (WP 0295 00) or battery

drawer open (WP 0306 00).

T

1.

Disconnect battery ground lead (WP 0294 00).

2.

Check all electrical connectors, harnesses, and cannon plugs

before connecting alternator test kit.

3.

Are connectors and cannon plugs tight and pins in place in

harnesses?

TN

1.

Tighten or repair connections,

cannon plugs, and harnesses. Use

electrical connector pliers.

2.

Repeat charging system operational

check (WP 0020 00).

Y

1.

Remove six screws (1) and cover (2) from voltage regulator (3).

2.

Connect multimeter to clean unpainted surface and

vehicle ground.

3.

Does multimeter read 0.5 ohms or less?

YN

1.

Ensure lockwashers (4) and screws

(5) are tight on plate (6).

2.

Tighten nut (7) securing ground lead

(8) to regulator (3).

3.

Install cover and screws on voltage

regulator.

4.

Repeat charging system operational

check (WP 0020 00).

002200-1