d o w n l i f t i n g c y l i n d e r
u p li f t i n g cy l i n d e r
c o n t r o l v a l v e
c o n t r o l va l v e
P
P 2
P 3
p r e s s u r e s e n s o r
m o t o r
f i l t e r i n s e r t
s t e e r i n g c y l i nd e r
b r a k e c o n t r o l v a l v e
b r a k e d i s k
M
m o to r
B 1
C 2
B 2
c o n t r o l v a l v e
T 2
T 3
T 1
P
B R
A S
B S
C S E
C 1
Y1
Y4
Y3
Y7
Y5
Y6
w o r k i n g p u m p
o i l t a n k
PS
P
pressure s witch
CE added
Y 2
21MPa
Φ
1.0
Φ
1.3
Φ
1.3
Φ
1.0
AS1012/AS1212 hydraulic Schematic