OPERATION OF MEDIUM WRECKER (Contd)
(16) To rig the load:
Attach utility chain (10) to lifting
shackles (11) or pintle hook of load (12).
M939A2 vehicles do not have front anchors.
If load (12) is very heavy or
combination of snatch blocks (16) to increase
winch pulling power. To rig a snatch block (16):
Unwind enough cable (14) to reach the load (12) and back to rear
winch. Rig cable hook and chain (3) to rear bumperettes (4).
Turn hook (15) to right. Lift up rear of snatch block (16) and open
support link (13). Insert cable (14). Lift up rear of snatch block (16) and lower and lock
support link (13) to hook (15). Return hook (15) to original position.
Rig hook (15) to load (12).
(17) Release brakes, transmission, and
transfer case of vehicle being retrieved.
Direct all personnel to stand clear
operation. A snapped winch cable
may result in injury or death.
If using the wreckers rear winch for self-recovery,
release parking brake and set spring brake
(18) To pull load:
Position lever (7) to LOW for
heavy loads or HIGH for light loads.
down to engage tensioner.