Hyundai R 160 LC-3, Service Manual, Page: 63 / 459

2 - 34
P
B
is higher than P
A
P
A
: Pressure of cylinder head side
P
B
: Pressure of cylinder rod side
Return oil from cylinder rod side opens check valve(C
2
) in the plunger ; It flows into cylinder head
side after returning to the high pressure feed passage via passage(1) and (2) in the plunger.
At this time, the regeneration selector spool(B) is at the shown position; as passage(3) is shut off
from passage(4) return oil from cylinder rod side does not flow into the tank passage.
ڹ
Center bypass passage
Pilot
port
High pressure feed passage
Spool(B) Spring(C)
Low pressure passage
Parallel feed passage
1 2
3
(P
B
)
C
2
C
1
(P
A
)
4
Tank passage
Ba1
Aa1
Piston(A)
XAa1