TM 55-1520-240-23-6
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TEST SWIVEL LOCK ACTUATOR (AVIM)
(Continued)
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12.
Connect pressure hose (1) to valve (5).
13.
Connect pressure hose (6) to port (2) of actuator
(3).
14.
Connect pressure hose (7) to port (4) of actuator
(3).
15.
Apply 3000 psi pressure to control valve (5).
NOTE
Swivel lock actuator is cycled by
operating handle on control valve from
position 1 to position 2 to position 1.
16.
Cycle actuator (3) 25 times.
17.
Check actuator (3) for leaks. There shall be no
leaks except at piston rod (8). Leaks at piston
rod shall be no more than 1 drop in 25 cycles.
18.
Reduce pressure to control valve (5) to 0 psi.
19.
Disconnect hoses (6 and 7) from actuator (3).
INSPECT
FOLLOW-ON MAINTENANCE:
None
END OF TASK
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