TM 55-1520-240-23-10
16-28
ADJUST FORWARD OR AFT CARGO HOOK SWITCHES (AVIM)
(Continued)
16-28
LINKAGE OPEN SWITCH ADJUSTMENT
6.
Check load beam (15). Make sure beam is
closed and latched. Make sure index mark (16)
on knob (17) is aligned with index mark (18).
7.
Position tongue depressor (19) between
load-beam-open switch (20) and actuator arm
(21).
NOTE
Load-beam-open switch must
be blocked during adjustment of
linkage-open switch.
8.
Connect multimeter (22) set to RX1 scale,
between pins B and F of connector plug (23).
9.
Pull lockwire (12) until gap between arm (24) and
pin (25) is 5/64 inch. Use 5/64 inch drill bit.
Maintain this distance.
10.
Remove lockwire from screws (26) and loosen
screws.
11.
Move linkage-open switch (27) away from
actuator arm (28) as far as it will go.
12.
Move linkage-open switch (27) toward actuator
arm (28) until multimeter (22) reads 0 ohm.
Tighten two screws (26).
13.
Release lockwire (12). Check multimeter (22)
reading. Multimeter shall read infinity.
14.
Pull lockwire (12) until gap between arm (24)
and pin (25) is 5/64 inch. Check multimeter (22)
reading. Multimeter shall read 0 ohm. Release
lockwire.
15.
Rotate knob (171) counterclockwise until gap
between arm (24) and pin (25) is 5/64 inch.
Check multimeter (22) reading. Multimeter shall
read 0 ohm.
16.
Release knob (17). Check multimeter (22)
reading. Multimeter shall read infinity.
17.
Torque two screws (26) to 15 inch-pounds.
Lockwire screws. Use lockwire (E227). Remove
tongue depressor (19).
18.
Disconnect multimeter (22) from connector plug
(23).
16-155
