TM 55-1520-240-23-4
5-2
PREPARE ROTARY-WING HEADS FOR SHIPMENT OR STORAGE
(Continued)
5-2
30.
Align record receptacle (47) with locator pin (48).
Install cover (25) on container (26). Install 24
bolts (21), washers (22), lockwashers (23), and
nuts (24). Tighten every fifth bolt until all are tight.
31.
Remove plug (49) from cover (25).
32.
Connect air test line (50) to cover (25).
Low pressure air supply must be
used. Exceeding test pressure can
damage container.
33.
Pressurize container (26) to 3 psi max. Check
container for leaks. Container must hold 3 psi
for 1 hour.
Be careful when releasing air under
pressure; wear goggles. Personal
injury can result.
34.
Push pressure relief valve (51) until pressure in
container (26) is 0 psi.
35.
Disconnect air line (50) from cover (25).
36.
Install plug (49) in cover (25).
FOLLOW-ON MAINTENANCE:
None
END OF TASK
5-14
