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2-9
GROUP 2 MAIN CONTROL VALVE
1. OUTLINE
(Pa1)
(Pa2)
(Pa3)
(Pa4)
(Pa5)
(Pa6)
(Pa7)
(Pb7)
(Pb6)
(Pb4)
(Pb3)
(Pb2)
(Pb1)
T2
B5
A5
B2
A2
Dr2
(Pa8)
(Pb8')
(Pb8)
P3
T1
A9
B8
A7
B7
P2
P1
A6
B6
A4
B4
A3
B3
A1
B1
A10
B10
(Pb10)
(Pb5)
(Pa10)
Mark
P1
P2
T1
T2
P3
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A9
B8
P1 pump port
P2 pump port
Tank return port
Tank return port
P3 pump port
Dozer
Dozer
Boom swing(RH) port
Boom swing(LH) port
Swing (LH) port
Swing (RH) port
Option port
Option port
Arm out port
Arm in port
Travel [LH/RR] port
Travel [LH/FW] port
Travel [RH/RR] port
Travel [RH/FW] port
Boom up port
Boom down port
PF
1/2
PF
3/8
6~7
kgf
Â
m
4.0~5.0
kgf
Â
m
Port name
Port
size
Tightening
torque
R35Z72MCV01
Mark
A10
B10
Pa1
Pb1
Pa2
Pb2
Pa3
Pb3
Pa5
Pb5
Pa6
Pb6
Pa7
Pb7
Pa8
Pb8
Pa10
Pb10
Bucket out port
Bucket in port
Dozer down pilot port
Dozer up pilot port
Boom swing (RH) pilot port
Boom swing (LH) pilot port
Swing (RH) pilot port
Swing (LH) pilot port
Arm out pilot port
Arm in pilot port
Travel [LH/RR] pilot port
Travel [LH/FW] pilot port
Travel [RH/RR] pilot port
Travel [RH/FW] pilot port
Boom up pilot port
Boom down pilot port
Bucket out pilot port
Bucket in pilot port
PF
3/8
PF
1/4
4.0~5.0
kgf
Â
m
2.5~3.0
kgf
Â
m
Port name
Port
size
Tightening
torque