TM 9-2320-361-20 13-4. AUTOMATIC BRAKE TEST AND ADJUSTMENT This task covers: a. Testing b. Adjustment INITIAL SETUP: APPLICABLE MODELS EQUIPMENT CONDITION All Parking brake set (TM 9-2320-361-10). PERSONNEL REQUIRED GENERAL SAFETY INSTRUCTIONS Two Wear leather gloves when handling winch cable. REFERENCES (TM) Never stand between test vehicles during winching procedures. TM 9-2320-361-10 Assistant must remain in secondary vehicle. Use hand throttle to control engine speed when operating winch. NOTE Procedures for front winch and rear winch (M756A2) automatic brake adjustment are the same. This procedure covers the front winch testing and adjustment only. 1. Park test vehicle (1) at top of steep grade facing downhill and chock wheels (refer to TM 9-2320-361-10). 2. Park secondary vehicle (2) at bottom of steep grade facing test vehicle (l). WARNING 3. 4. •Wear leather gloves when handling cable. Do not let cable run through hands. Broken or rusty wires can cause injury to personnel. •Never stand between test vehicles. Assistant must remain in secondary vehicle to engage service brake if cable snaps or automatic brake fails. Failure to do this may result in injury to personnel. CAUTION Do not use front winch to pay out line loads greater than 3,000 lb (1,362 kg) for any distance greater than 10 ft (3. 1 m). Damage to equipment may result. Pull out drum lock lever (4) and turn 90° clockwise to unlocked position. Unwind cable (5) and rig to secondary vehicle (2). Place secondary vehicle’s (2) transmission lever in neutral position. Disengage parking brake and disengage front wheel drive lever if engaged. WARNING Never stand between test vehicles. Assistant must remain in secondary vehicle to engage service brake if cable snaps or automatic brake fails. Failure to do this may result in injury to personnel. Refer to TM 9-2320-361-10 for safe working loads. 5. Place winch drum clutch lever (3) in ENGAGE position. 13-4