31 - 2
Section E
9803/8550
Section E
31 - 2
Issue 1
C
Cooler
F1
Filter
P1
Main Pump
P2
Main Pump
P3
Auxiliary Gear Pump
M1
Left Hand Drive Motor
M2
Right Hand Drive Motor
S1
Suction Strainer
T
Tank
1
Left Hand Joystick
2
Loader Valve Block
2A
Crowd Spool
2B
Lift Spool
2C
Auxiliary Spool
2D
Main Relief Valve (MRV)
2E
Crowd Ram Rod Side ARV
2F
Crowd Ram Head Side ARV
2G
Lift Ram Head Side ARV
2H
Auxiliary ARV
2J
Auxiliary ARV
2X
Pressure Test Point (Main Relief Valve)
2Y
Pressure Test Point (Transmission Charge Pressure)
2Z
Pressure Test Point (Brake Pressure) &
Hand Pump Connector (Manual Brake Release)
3
Check Valve (8 bar)
4
Excavator Valve Block
4A
Slew Spool
4B
Boom Spool
4C
Stabiliser Spool
4D
Stabiliser Spool
4E
Dipper Spool
4F
Bucket Spool
4G
Auxiliary Spool
4H
Hydraclamp Valve
4J
Slew ARV
4K
Slew ARV
4L
Boom Ram Head Side ARV
4M
Boom Ram Rod Side ARV
4N
Dipper Ram Rod Side ARV
4P
Dipper Ram Head Side ARV
4Q
Bucket Ram Rod Side ARV
4R
Bucket Ram Head Side ARV
4S
Auxiliary ARV
4T
Auxiliary ARV
5
Crowd Rams
6
Manually Operated Dump Valve
7
Lift Rams
8
Right Hand Joystick
9
Pressure Reducing Solenoid Valve
10
Check Valve (2 bar)
11
Filter By-pass Valve (3 bar)
12
Auxiliary Feeds
30
Hydraclamp
32
Stabiliser Ram
33
Stabiliser Ram
34
Slew Ram
35
Slew Ram
36
Boom Ram
Schematic Hydraulic Circuit
37
Dipper Ram
38
Bucket Ram
50
Bi-restrictor
51
Bi-restrictor
52
One-way Restrictor
Note: Excavator services shown here are to the JCB 'X'
control pattern. For ISO '+' control pattern, components 36
and 37 are swapped over.
Run in Tandem
Component Key - Standard Machine from machine no. 751012 to 752462
- Dual Lever Drive Control
Summary of Contents for 1CX
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