TM 55-1520-240-T
14-1.4 CARGO/RESCUE WINCH SYSTEM OPERATIONAL CHECK
14-1.4
(Continued)
TASK
RESULT
TASK
RESULT
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
Set HOIST MASTER switch (7) to RE-
MOTE.
Connect winch control grip (14) to auxiliary
panel (15) with cable (16).
On winch control grip (14), press and hold
WINCH ARMING TRIGGER switch (17)
and set WINCH CABLE control (18) to
OUT. Reel out enough cable to hook up a
load in rescue mode (TM 55-1520-240-
10). Then release controls (17 and 18).
Connect 600-pound load to cable hook.
On winch control grip (14), press and hold
WINCH ARMING TRIGGER switch (17)
and set WINCH CABLE control (18) to
IN. Release controls (17 and 18) after
load clears ground.
On winch control grip (14), press and hdd
WINCH ARMING TRIGGER switch (17)
and set WINCH CABLE control (18) to
OUT. Release controls (17 and 18) after
tension is off cable. Disconnect 600-
pound load.
On winch control grip (14), press and hold
WINCH ARMING TRIGGER switch (17)
and set WINCH CABLE control (18) to
OUT. Reel out enough cable to hookup
an external load. Then release controls
(17 and 18).
Set winch shift lever (3) to CARGO.
Rig winch (4) for cargo mode (TM 55-1520-
240-10).
Deleted.
Connect winch control grip (14) to sta
502 HOIST CONTROL receptacle (19)
with cable (16).
Cable (12) shall reel off winch. If it does not, go to
task 14-1.9.
23.
Winch (4) shall raise load and hold it steady, If
winch does not raise load, go to task 14-1.10. If
winch sounded like it was beginning to operate
but stopped, replace winch. If load creeps down
after grip controls released, replace winch.
24.
25.
26.
Cable failure during loading
operations will result in cable
whiplash within the cabin. This
may result in personnel injury.
Stand aft and to one side of load
to avoid whiplash exposure.
On winch control grip (14), press and hold
WINCH ARMING TRIGGER switch (17)
and set WINCH CABLE control (18) to
IN.
On winch control grip (14), press and hold
WINCH ARMING TRIGGER switch (17)
and set WINCH CABLE control (18) to
OUT. Release controls (17 and 18) after
tension is off cable (12). Disconnect load
from cable hook.
Connect winch control grip (14) to
HOIST OPERATOR’S panel receptacle
(20) with cable (16).
NOTE
If necessary, reel in several feet of ca-
ble to perform following step.
On winch control grip (14), press and hold
WINCH ARMING TRIGGER switch (17)
and set WINCH CABLE control (18) to
OUT. Release controls (17 and 18) when
several feet of cable (12) are reeled out.
Have helper keep slight tension on cable.
Helper must wear gloves.
Winch (4) shall reel in cable (12) and stop when
second layer of cable starts on cable drum. If
winch does not reel in cable, go to task 14-1.11. If
winch continues to operate, release controls (17
and 18). Adjust overload limit switch. If switch is
adjusted, repeat steps 18 thru 23. If winch still
does not stop when second layer of cable wraps
begins, replace winch.
Cable (12) shall reel off winch (4), If winch does
not operate, locate open in wire W668-33-20,
W697-16-20, or W645-238-20 between recep-
tacle 132J12 and TB17. Repair or replace wire as
required.
Cable (12) shall reel off winch (4). If it does not, go
to task 14-1.12.
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Change 9
14-9
