jcb ROBOT 150 - Page 236

Section E Section E
Hydraulics
9803/8500
Issue 1
30 - 12
30 - 12
A257393-2
1
2
3
4
6
7
F1
2X
M1
P1
P2
M2
P3
8
5
T
T
S1
2X
9
2A 2B 2C
2D
2E 2F
2G
2X
10
2H 2J
F2
S2
11
12
12A
13
14
2X
2K
C
Schematic Circuit
Servo machines from serial no. 678000
Component Key - High-flow Circuit
C Cooler
F1 Filter
F2 High-flow Filter
P1 Main Pump
P2 Main Pump
P3 Auxiliary Gear Pump
M1 Left Hand Drive Motor
M2 Right Hand Drive Motor
S1 Suction Strainer
S2 High-flow Pump Suction Strainer
T Tank
1 Loader Joystick
2 Main Loader Valve Block
2A Auxiliary Spool
2B Lift Spool
2C Crowd Spool
2D Main Relief Valve (MRV)
2E Attachment Auxiliary Relief Valve (if required)
2F Attachment Auxiliary Relief Valve (if required)
2G Auxiliary Relief Valve (ARV)
2H Auxiliary Relief Valve (ARV)
2J Auxiliary Relief Valve (ARV)
2K One-way Restrictor
2X Pressure Test Points
3 Drive Control Joystick
4 Lift Ram
5 Manually Operated Dump Valve
6 Compensating Ram
7 Crowd Ram
8 Brake Valve
9 Check Valve (2 bar)
10 Filter By-pass
11 High-flow Pump
12 High-flow Valve
12A High-flow Circuit Relief Valve
13 High-flow Control Valve
14 Attachment Motor
Note 1: Neutral Circuit shown in bold line
Run in Tandem