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10 STRUCTURE AND FUNCTION
FUNCTION OF LS BYPASS PLUG OF CONTROL VALVE
•
LS bypass plug releases the remaining pressure in LS pressure circuit (6) through orifices (a) and (b).
•
The LS bypass plug of control valve prevents the rapid change of the oil pressure by slowing down the rais-
ing speed of the LS pressure.
•
When oil bypasses through LS bypass plug (5), pressure loss occurs due to the resistance in the circuit
from orifice (c) of main spool (2) to LS shuttle valve (4).
•
The LS bypass plug of control valve lowers the differential pressure of the effective LS circuit in order to
improve the dynamic stability of actuator.
PC500LC-10R
COMPONENT PARTS OF HYDRAULIC SYSTEM
10-155
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