TM-9-2320-361-20

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

OCTOBER 1991

TM-9-2320-361-20 - Page 971 of 1207

TM 9-2320-361-20

13-4. AUTOMATIC BRAKE TEST AND ADJUSTMENT (Contd)

6. Place transfer case shift lever (5) to NEUTRAL position and transmission power takeoff lever (6) to

LOW position on test vehicle (l).

WARNING

Always use hand throttle to control engine speed when operating

winch. Avoid sudden changes in speed. Rough or jerky operation

may cause broken shearpins and snapped cables. Injury to

personnel or damage to equipment may result.

7. Depress clutch pedal (3) and start vehicle (1). Place transmission gearshift lever (4) in 4th gear

position.

8. Release clutch pedal (3) slowly. Using hand throttle, pull secondary vehicle (2) halfway up grade.

Depress clutch pedal (3). If secondary vehicle (2) rolls back down grade, adjust automatic brake.

1.

2.

3.

4.

5.

6.

7.

Disengage hand throttle. Depress clutch pedal (3) and place PTO lever (6) in REVERSE position.

Release clutch pedal (3) and unwind secondary vehicle (2) back to level ground and set parking

brake.

Place PTO lever (6) in NEUTRAL position and disengage drum clutch lever (7).

Adjust brake band by turning adjusting screw (9) in 1/2-turn clockwise increments to increase

braking action.

Repeat testing and adjustment until correct adjustment is obtained.

NOTE

Perform steps 5 through 7 only when new winch is installed.

Pay out winch cable (8) for 5 minutes at engine idle (TM 9-2320-361-10).

Allow brake band to cool for approximately l-1/2 hours.

Repeat brake band adjustment procedure.

13-6