7-M5
F2880, F3680, RCK72-F36, RCK72R-F36, RCK60-F36, RCK60R-F36, WSM
HYDRAULIC SYSTEM
5. IMPLEMENT CONTROL VALVE
This implement control valve is located under the hydraulic cylinder block.
■ Neutral
Oil forced into the implement control valve (1) through
P port and returns to the transmission case through T2
port.
Also, C port is closed by spool (2), oil in the hydraulic
cylinder does not flow to the transmission case.
Thus, the implement remains at its fixed position.
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■ Lift
When the hydraulic control lever is set to the “LIFT”
position, the spool (2) is move to the left.
The oil forced into the implement control valve (1)
through P port flows to C port.
The oil pushes and flows into the hydraulic cylinder
through the C port to lift the implement.
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■ Down
When the hydraulic control lever is moved to
“DOWN” position, the spool (2) is moved to the right.
Oil in the hydraulic cylinder is forced out to the
transmission case through the T1 port by the weight of
the implement, causing the implement to lower.
Oil forced into the implement control valve (1) through
the P port and returns to the transmission case through
the T2 port.
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(1) Implement Control Valve
(2) Spool
P : Pump Port
C : Cylinder Port
T1, T2 : Tank Port
(1) Implement Control Valve
(2) Spool
P : Pump Port
C : Cylinder Port
T1, T2 : Tank Port
(1) Implement Control Valve
(2) Spool
P : Pump Port
C : Cylinder Port
T1, T2 : Tank Port