jcb JS160 - Page 255

18 - 2
Pump Hydraulic Circuit Diagram
Section E Hydraulics
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Section E
18 - 2
Issue 1
Hydraulic Pump/Regulator JS130, JS160
(REAR)
(FRONT)
A1
A2
B1 B3 A3
P1
Dr1
a4
Pi2
Pm2
Pi1
Pm1
a3
a2
a1
Key
A1,2 Delivery port
B1 Suction port
D
r1
Drain port
Pi1,2 Pilot port
P1 Proportional pressure reducing valve
P
m1,2
Q
max cut port
a1-3 Gauge port
a4 Gauge port
A
3
Gear pump delivery port
B
3 Gear pump suction port
417110