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PARK BRAKE RELEASE SHUTTLE VALVE
RELIEF VALVES

Technical Manual For Hydraulic Excavator Model 330Lcr 1
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TM 5-3805-281-24-1
Hydraulic System
COUNTERBALANCE VALVE
NOTE: Valve can be removed with propel motor on
machine.
Apply clean oil to spool (D). Install spool plug (C) with
smaller diameter toward spool.
Install and tighten plug and O-ring (A).
Counterbalance Valve Plug--Specification
02
0260
Torque ......................................................................... 340 Nm (250 lb-ft)
27
A--Plug and O-Ring (2 used)
B--Spring (2 used)
C--Spool Plug (2 used)
D--Counterbalance Spool
Continued on next page
CED,OUOE023,175
1901JUN984/7
10-66


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