TM 55-1520-240-23-6
7-20
TEST FILL MODULE (AVIM)
(Continued)
7-20
VALVE SHAFT LEAK TEST
31.
Fill reservoir (8) with fluid (E199).
32.
Open vavles (17, 18 and 19).
33.
Set handle (9) to position 1.
34.
Operate handle (14) and maintain 200 psi on
gage (22). Set valve (21) for flow of 5 cc per
minute. Collect spilled fluid in graduate (28).
Use 10 cc graduate.
35.
Maintain 200 psi on gage (22). Cycle handle (9)
25 times between positions 1, 2 and 3.
36.
Check for leaks at shaft seal (29). Leaks shall
not exceed 1 drop.
37.
Close valve (21).
HANDLE TORQUE TEST
38.
Set handle (9) to position 3. Attach scale (26)
to end of handle.
NOTE
Torque equals L x scale indication.
39.
Pull handle (9) with scale (26) at 90º to handle
as shown. Torque to start handle moving shall
be 3 to 10 inch-pounds greater than torque
to keep handle moving. Add shims as needed
(Task 7-19).
7-149