TM 9-2320-272-102-24.OPERATION OF MEDIUM WRECKER (Contd)(16) To rig the load:(a)Attach utility chain (10) to liftingshackles (11) or pintle hook of load (12).NOTEM939A2 vehicles do not have front anchors.(b)If load (12) is very heavy ordeeply mired, install snatch block (16) orcombination of snatch blocks (16) to increasewinch pulling power. To rig a snatch block (16):1.Unwind enough cable (14) to reach the load (12) and back to rearwinch. Rig cable hook and chain (3) to rear bumperettes (4).2.Turn hook (15) to right. Lift up rear of snatch block (16) and opensupport link (13). Insert cable (14). Lift up rear of snatch block (16) and lower and locksupport link (13) to hook (15). Return hook (15) to original position.3.Rig hook (15) to load (12).(17) Release brakes, transmission, andtransfer case of vehicle being retrieved.WARNINGDirect all personnel to stand clearof winch cable during winchoperation. A snapped winch cablemay result in injury or death.NOTEIf using the wrecker’s rear winch for self-recovery,release parking brake and set spring brakeoverride.(18) To pull load:(a)Position lever (7) to LOW forheavy loads or HIGH for light loads.(b)Push tensioner switch (9)down to engage tensioner.2-131
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