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1)
NEUTRAL
3
Brake system
23
23
29 bar
300bar
B1
1
T/M
74cc/rev
S1
L2
L1
The steering wheel is not being operated so control spool(G) does not move.
The oil from the main pump(1) enters port P of steering unit(3) and the inlet pressure oil moves the
spool(D) to the left.
The pump flow goes to the attachment line of the main control valve.
STEERING
CYLINDER
L
R
230bar
H
G
T
LS
P
X2
X1
22 bar
280bar
B2
B3
11
20cc/rev
63cc/rev
S2
L5 L4 L3
S3
8
Tilt cylinder
4
LS
165bar
7B
7A
a5
6B
6A
a4
5B
5A
a3
4B
4A
a2
3B
3A
2A
a1
1A
166bar
T/M
LS
7
5-3
Lift cylinder
b5
b4
b3
b2
2B
b1
1B
185bar
LS
Spool(D)
34
110DESS03
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