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1)
SERVICE BRAKE RELEASED
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(31).
Therefore, the service brake is kept released.
2
107kgf/cm
2
173kgf/cm
127~
2
153kgf/cm
31~41
2
kgf/cm
61
2
kgf/cm
Return
line
MCV
178kgf/cm
4-4
Steering
unit
MCV
2
100D7BS102
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