Section E - Hydraulics
Circuit Diagrams
Standard and High-flow Servo Machines
E - 54 E - 54
9803-9450-2
Circuit Diagrams
Standard and High-flow Servo Machines
Component Key
See Fig 42. (X E-55)
C Cooler
F1 Charge Filter
F2 Loader Filter
P1 Transmission Pump - Run in Tandem
P2 Transmission Pump - Run in Tandem
P3 Loader Gear Pump
P4 Charge Pump
P5 High Flow Pump
M1 Left Hand Drive Motor
M1a Left Hand Motor Shuttle Valve
M2 Right Hand Drive Motor
M2a Right Hand Motor Shuttle Valve
S Suction Strainer
T Tank
X1 Pressure Test Point
X2 Pressure Test Point
Y Plan View of Pump showing Servo
Connections
Z Plan View of Valve Block showing Servo
Connections
1 Accumulator
2 Lift Ram
3 Float Valve (Optional)
4 Levelling Valve (Optional)
5 Tilt Ram
6 Dump Valve
7 Brake Valve
8 Manual Load Lower Valve
9 Loader Valve Block
9a Main Relief Valve (MRV)
9b Lift Spool
9c Tilt Spool
9d Auxiliary Spool
9f Anti-cavitation Valve
10 Auxiliary Couplings
11 Servo Cut-off Valve
12 Drive Servo Control Valve
12a Forward
12b Left
12c Reverse
12d Right
12e Shuttle Valves
13 Loader Servo Control Valve
13a Crowd
13b Tip
13c Lift
13d Lower
14 Charge Pressure Switch
15 Attachment Proportional Solenoid Valve
16 Check Valve (0.5 bar)
17 Check Valve (2 bar)
19
High-flow Control Valve
(1)
19a High-flow Relief Valve
19b High-flow Valve Spool
20 Attachment Motor
(1) Items 19, 19a and 19b (and the relevant
hydraulic lines shown dotted) are fitted to High
Flow machines only.
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