TM 5-3895-373-34
2.55
REPLACE VALVE PANEL CONTROL VALVES AND FLOW DIVIDERS - Continued.
A.
REMOVE - Continued.
13.
REMOVE STACK VALVE.
Ensure screed and hopper wings are
lowered before any tubes or hoses are
disconnected from stack valve. Serious
injury may result if pressure is removed
from lines and screed or hopper wings
are not lowered.
Hydraulic
oil
can
be
moderately
flammable and can be an irritant to the
skin, eyes, and respiratory system.
Avoid
prolonged
exposure.
Eye
protection and rubber gloves must be
worn when working with hydraulic oil.
Thoroughly clean hoses and fittings
before disconnecting. Always plug or
cap off disconnected fittings to prevent
intrusion of contaminants. Failure to
properly clean and cap off connectors
may result in system contamination
and equipment damage.
a.
Wipe all dirt and dust from fittings with cleaning
cloths.
b.
Place machinery wiping towels around stack
valve (158) and fittings to be disconnected.
c.
Tag and disconnect stack valve
electrical
connectors (159 and 160) from harness
electrical connectors (161 and 162).
NOTE
It may be necessary to remove hydraulic
tubes, and plug and cap fittings after
stack valve removal, step m.
d.
Tag and disconnect tube (163) from elbow (164).
Plug tube and cap elbow.
e.
Tag and disconnect tube (165) from swivel
elbow (166). Plug tube and cap swivel elbow.
f.
Tag and disconnect hose (167) from elbow
(168). Plug hose and cap elbow.
NOTE
Tube (169) may require loosening at
both ends to allow removal.
g.
Tag and disconnect tube (169) from straight
adapter(170). Plug tube and cap straight
adapter.
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