IHI 9VX3 - Page 28

STRUCTURE AND FUNCTION
9VX3
CONTROL VALVE (1)
Weight: 10.5 kg
MR2
Main
relief valve
OR1
Boom up
Overload
relief valve
MR1
Main
relief valve
Upon assembling the
valve block
Observe the tightening
torque (3 positions).
13.7~14.7N • m
Circuit diagram
2- 10-1