TM 9-4940-568-34
3-129
b. Installation
NOTE
Lubricate all preformed packings
and backup rings with clean
hydraulic oil.
(1) Install orifice (8) in hoist control valve
(2).
(2) Install preformed packing (7) on holding
valve (1).
(3) Install backup ring (6) and preformed
packing (5) on holding valve (1).
(4) Install two backup rings (3) and
preformed packing (4) on holding valve
(1).
(5) Install holding valve (1) in hoist control
valve (2).
END OF TASK
Follow-On Maintenance
Check crane for proper
operation and hydraulic
leaks,
(TM 9-4940-568-10).
Load test crane
(para 3-5).
