5 OIL CONTROL VALVE
Hydraulic Circuit Diagram (4YE engine)
Relief valve
Lift lock valve
(Lift lock SOL)
Manual
downlifting valve
Tilt control valve
(Tilt control SOL)
ATT spool with
drain circuit
Electromagnetic proportional reducing valve
T2
T1
LS
R
Gauge port
P
Priority valve
CF
S1
Load check valve
Flow regulator valve
S2
C1
Load check valve
Tilt backward lock valve
(Tilt backward lock SOL)
C2
C3
Load check valve
C4
C5
5-29
5