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 TM 55-1905-221-14-2
5-6.2. RAMP HOIST CONTROL VALVE (Continued).
LOCATION/ITEM
ACTION
REMARKS
REASSEMBLY
NOTE
Coat all parts with clean hydraulic lotio facilitate reassembly, and provide initial lubrication.
Petroleum jelly can be used to hold packings in place on assembly.
6.
Control
a. Valve Body
Valve
(1) Install plug (35) in
DO NOT over-
inlet body (8).
tighten plug.
(2) Install preformed
Used on models
packing (33), and
with a single-
plug (32).
acting spool
only.
(3) Install preformed
packings (31 and 30)
in valve body (8).
b. Relief Valve Sub-Assembly.
(1) Place relief valve sub-
assembly (29) in its
bore; hex nut ends
towards the opening.
(2) Install spring (28) in
relief valve subassembly
(29).
(3) Install preformed
DO NOT over-
packing (27) on plug
tighten plug.
(26), install plug and
tighten securely.
c. Check Valve.
(1) Install poppet (25) and
spring (24).
5-88
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