TM 55-1520-240-23-10
16-29
FORWARD OR AFT CARGO HOOK FUNCTIONAL TEST (AVIM)
(Continued)
16-29
11.
Connect test setup (15) to connector plug (16)
pins C (+) and D.
12.
Connect 80-pound load (10) to load beam (11).
Load shall be straight down and centered on
beam.
13.
Raise hoist (1) until load (10) clears ground.
14.
Adjust power supply (17) to 22 volts.
15.
Press test switch (18). Load beam (11) shall
release load (10) and return to closed and
latched position.
a.
If load (10) does not release, connect
multimeter (18.1) between pins E and H of
connector (16). If meter indicates 0 ohm with
test switch (18) pressed, replace relay (Task
16-24, step 21). If meter does not indicate
0 ohm, repair solenoid wiring or replace
solenoid ( Task 16-24, step 54).
b.
If load beam (11) does not close and latch,
release test switch (18) and repeat step 15.
If beam still does not close and latch, reject
hook.
16.
Release test switch (18).
17.
Disconnect test setup (15) from connector plug
(16).
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