Unic URW295CR, Maintenance Manual

Page: 52 / 125

11.2 Hydraulic Circuit Diagram (control valve)
（１１−２）
Accelerator
Gauge Port
Pilot pressure
Gauge Port
In‑out
Raise Lower
Up Down
Retract Extend
C.W C.C.W
Ext.
High pressure line
Tank line
Pilot pressure line
Feed‑back line
Hydraulic motor type
⇒Internal pilot type
Slewing
Telescope
Hoist
Derrick
Outrigger
Raise
Lower
Up
Down
Retract
Extend
C.W
C.C.W
Solenoid valve
for storing hook
Solenoid valve
for unloading
Main relief valve
Back pressure valve
Pressure regulator
valve
From pump
Tank
Pressure reducing
valve
Set bolt
Emergency screw