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