TM 55-1520-240-23-1
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SERVICE CENTER CARGO HOOK ACTUATOR
(Continued)
1-74
High pressure air trapped under valve
cap can be a hazard. If cap is not
removed slowly, air can pop it off and
cause injury.
1.
Loosen valve cap (1) slowly. Remove it from
valve (2). Connect chuck (3) from air source to
valve.
2.
Loosen nut (4) two turns with wrench.
NOTE
Actuator must be serviced to at
least 2,100 psi or it will not function
properly. Do not exceed 2,200 psi.
3.
Have helper operate air source to charge
actuator to at least 2,100 psi as marked on gage
(5). Use inspection mirror to read gage.
4.
Tighten nut (4) firmly against valve body.
5.
Disconnect chuck (3) from valve (2). Continue
tightening nut (4) until air leakage stops.
6.
Install valve cap (1).
7.
If hook will not be used right away, stow it before
dosing door (TM 55-1520-240-10).
INSPECT
NO BREAK - WORK HARDER
NO BREAK - WORK HARDER
FOLLOW-ON MAINTENANCE:
None
END OF TASK
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