TM 9-4940-568-34
3-156
3-45. BOOM LIFT HOLDING VALVE REPLACEMENT (Continued)
b.
Installation
NOTE
Apply lubricating oil to all
preformed packings, backup rings
and packing retainer prior to
installation.
Position backup rings and
preformed packing as noted
removal.
(1) Install three preformed packings (11, 10
and 9), packing retainer (8) and two
backup rings (7) on holding valve (6).
(2) Install holding valve (6) in holding valve
manifold (5).
Follow-On Maintenance
Operate crane and
check for leaks
(TM 9-4940-568-10)
Stow crane
(TM 9-4940-568-10)
END OF TASK
6
5
7
10
9
8
11
