TM 55-1520-240-23-4
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INSTALL SHOCK ABSORBER
(Continued)
5-93
Vent valve must be open for operation
below 0ºF (-18ºC). Valve must be
closed for operation above 30ºF
(-1ºC). Dangerous ground and flight
conditions can result if valve is in
wrong position. At 0º - 30ºF (-18º -
1ºC) valve may be open or closed.
12.
If operational temperatures are 0ºF (-18ºC) or
lower, open vent valve (21) as follows:
a.
Remove lockwire. Loosen nut (22) on
adjustment screw (23).
b.
Turn screw (23) clockwise to close valve (21)
completely. Turn screw counterclockwise
1/2-turn to open valve.
c.
Torque nut (22) to 25 inch-pounds. Lockwire
nut to screw (23). Use lockwire (E231).
13.
If operational temperatures are 30ºF (-1ºC) or
higher, close vent valve (21) as follows:
a.
Repeat step 12a.
b.
Turn screw (23) clockwise to close valve
completely.
c.
Repeat step 12c.
FOLLOW-ON MAINTENANCE:
Remove sling from blade.
Remove tiedown lines from blade over fuseage (Task
1-26).
Close work platforms (Task 2-2).
END OF TASK
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