TM 9-2350-238-10
OPERATING CRANE–CONTINUED
TOW WINCH AND WIRE ROPE OPERATION–CONTINUED
l Always wear leather gloves
(item 31, appx B) when han-
dling winch cable. Never
allow cable to run through
hands. Broken wires can
cause painful injuries. Do not
operate winch/crane with
less than four turns of wire
rope on drums. Failure to
observe these warnings could
result in injuries to personnel.
l Any kinks, crushed sections,
or broken strands are poten-
tial weak points and can
cause wire rope failure.
Frayed, kinked, worn, or cor-
single boom block, and attach to boom.
Refer to page 2-75.
8 Install level wind on tow winch wire
rope. Refer to page 2-80.
9 Attach tow winch wire rope to load to
be recovered. Operate tow winch to pull
in load.
RECOVERY OPERATION
Every recovery operation will present different
conditions and circumstances. Refer to FM
20-22 for vehicle recovery operations. The
following procedures apply to operation of
M578 recovery vehicle to accomplish the
recovery mission.
VEHICLE OPERATION
roded ropes must be replaced.
Rope is unsafe if three brok-
1
en wires are found in one
strand of 6 x 7 rope, six
broken wires in one strand of
6 x 19 rope, or nine broken
wires in one strand of 6 x 37
2
rope.
7 Disconnect boom winch wire rope from
tow winch wire rope. Remove snatch
3
block from load and stow on cab. Pay in
boom winch wire rope, reeve through
Drive vehicle as close to load to be
recovered and on as level ground as
possible. Position vehicle with rear of
vehicle toward load to be moved.
Actuate hydraulic system. Refer to page
2-67. Refer to load rating capacities in-
struction plate for hoisting and tow
winching capacities information. Refer to
page 2-74.
Emplace spade, if required, to increase
winching capacity. Refer to page 2-69.
2-84
