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ASSEMBLE BOOM, ARM OR BUCKET CYLINDER - Continued
DISASSEMBLE AND ASSEMBLE AUXILIARY HYDRAULICS PRESSURE REDUCING VALVE

Technical Manual For Hydraulic Excavator Model 330Lcr 2
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TM 5-3805-281-24-2
Hydraulic System
REMOVE AND INSTALL AUXILIARY
HYDRAULICS PRESSURE REDUCING VALVE
33
3360
184
CAUTION: The hydraulic oil tank is pressurized.
High pressure release of oil from pressurized
system can cause serious burns or penetrating
injury. Release pressure from tank by loosening
vent plug. It is not necessary to remove vent
plug.
1. Loosen vent plug to release hydraulic pressure in
reservoir.
CED,OUOE020,39 1919MAR991/2
2. Disconnect hoses (A, D and E).
3. Remove nuts (C) and washers (B).
4. Remove valve (F). Replace parts as necessary.
A--Pilot Control Valve Hose
B--Washer (2 used)
C--Nut (2 used)
D--Inlet Hose
E--Solenoid Control Valve Hose
F--Valve
CED,OUOE020,39 1919MAR992/2
19-211


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