TM 55-1520-240-23-10
16-29
FORWARD OR AFT CARGO HOOK FUNCTIONAL TEST (AVIM)
(Continued)
16-29
4.
Connect 20-pound load (10) to load beam (11).
Load shall be straight down and centered on
beam.
5.
Raise hoist (1) until load (10) clears ground.
6.
Insert brass rod (12) in knob (13). Attach dial
indicating scale (14) to rod next to knob, as
shown.
7.
Pull scale (14) to rotate knob counterclockwise.
Check force required to turn knob. Force shall
not exceed 15 pounds. Load beam (11) shall
release 20-pound load (10) and return to closed
and latched position.
a.
If load (10) does not release, or force exceeds
15 pounds, check internal tip of load beam
(11) for damage (Task 16-24, step 44.4).
b.
If load beam (11) does not close and latch,
release knob (13). Repeat step 7, pulling
scale (14) more slowly. If beam still does not
close and latch, reject hook.
8.
Release knob (13).
9.
Remove dial indicating scale (14) and brass rod
(12).
10.
Lower hoist (1).
16-163