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1)
SERVICE BRAKE RELEASED
20
B1
A3
PS
18
B
PS1
18
21
A4
PP
9
22
F2
P
10
T
11
LIFT
TILT
POSITIONER
1
2 3
4
5
V8
V5
V6
V7
V3
V12
V11
V9
V10
When the pedal of brake valve(8) is released, the operating force is eliminated by the force of the
spring, and the spool is returned.
When the spool removes up, the drain port is opened and the hydraulic oil in the piston of axles
return to the tank(34).
Therefore, the service brake is kept released.
Drive axle
17
BR
BL
8
T P
5
T2
T1
P
T
TO THE AXLE
AUX
T
FROM THE AXLE
P
6
7
8
V4 V1
V2
Return
line
MCV
31
P
T
C
32
E/G
33
24
23
34
4-4
Steering
unit
MCV
EF CF
OUT
1
LS
T/M
IN
IN
110D7EBS02
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