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CLSS
FUNCTION OF LS BYPASS PLUG
•
LS bypass plug releases the remaining pressure in LS pressure circuit (6) through orifices (a) and (b).
•
It reduces the LS pressure rising speed and prevents sudden change of the hydraulic 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 effective LS differential pressure decreases, and the dynamic stability of the actuator is improved.
3
LS SELECT VALVE
LS
Abbreviation for Load Sensing
FUNCTION OF LS SELECT VALVE
The illustration shows the state of simultaneous operation of swing and travel RIGHT. (It shows the state when
pilot pressure (BP) is supplied)
10-94
5
6
A
a
1
10 STRUCTURE AND FUNCTION
a
b
4
2
A4P15728
PC500LC-10R
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