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2)
LIFT SECTION OPERATION
(1)
Neutral position of lift spool
8
7
1
Inlet from hydraulic pump
2
Outlet to tank
3
Pilot passage
4
Closed passage(Not used)
5
Passage to head end of lift cylinders(lift
upward)
Working actuation
P
A
B
If the control valve is in the neutral position, oil is not allowed into lift cylinder, and returns to tank
because the spool of lift interrupts the pump flow.
L
Cout
P
L
1
4
3
6
L
T
A
P
Cin
T Closed with through line(Lc) open.
B
T
Cin
2
1
3
5
L
L
P
B
T
Cout
Cin
6
Return passage to tank
Lift spool
7
8
PV
(Hydraulic pressure from joystick)
9
PV (Hydraulic pressure from joystick)
6-20
6
9
100D7MCV31
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