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ADJUSTMENT OF BOOM WINCH PRESSURE RELIEF VALVE (cont) - TM-9-2350-238-34-2_203
MAINTENANCE OF HYDRAULIC FLOW DIVIDER MANIFOLD AND HYDRAULIC
TM-9-2350-238-34-2 Recovery Vehicle Full-Tracked: Light Armored M578 (2350-00-439-6242) Manual
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Adjust pressure for boom winch pressure
relief valve (2) to between 1525 and
1675 psi (10,515 and 11,549 kPa) by
turning screw (8) counterclockwise to
decrease pressure or clockwise to in-
crease pressure.
When correct pressure adjustment is ob-
tained, tighten nut (6).
If correct pressure adjustment cannot be
obtained, replace boom winch pressure
relief valve (2). Refer to page 2-154.
Turn off hydraulic system. Refer to TM
9-2350-238-10.
Push in BOOM WINCH BRAKE
PRESSURE SELECTOR knob (5).
Disconnect oil pressure tester from boom
winch pressure relief valve (2).
Slowly pull BOOM WINCH control handle
(7) to RAISE to remove air trapped in
boom winch pressure relief valve (2).
Install spring cap (1).
TM 9-2350-238-34-2
OIL PRESSURE
TESTER
2-191
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