Unic URW295CR, Maintenance Manual

Page: 32 / 125

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2
Relief for storing hook set Pressure
Main relief set pressure
Pump
speed
2000 rpm 20.6MPa（ 210kgf/cm2 ）at 38L/min
3.9MPa（ 40kgf/cm2 ）at 17L/min
Pump port
Gauge port
Port relief for storing hook
606041000
Solenoid valve for unloading
740192192
Lever side Piping port side Flame side Engine side
Differential
transformer
750211006
Common to
D,H,T,S,O
Proportional
solenoid
740192193
Common to
D,H,T,S
Accelerator
cylinder
601239000
Proportional solenoid for
accelerator cylinder
740192193
Needle valve for releasing automatic
stop for over‑winding
Pressure reducing valve
Gauge port for pilot
Main relief valve
606042000
Back pressure valve
Pressure regulator valve
3.0MPa(30kgf/cm )
1.0MPa(10kgf/cm )
Tank port
Pressure difference1.2MPa
(12kgf/cm )
9.1 MRV‑500 control valve
Flame side
Piping port side
Solenoid for storing hook
740192192
（
９
−
１
）
Lever side
Engine side
2
2
Differential transformer
accelerator cylinder
750211008
Extend Retract
C.W C.C.W
Retract Extend
Up
UP
Down
Down
Slew
Telescope
Hoist
Derrick
Outrigger
C.C.W C.W
ａ
Extend Retract
Down
Down
UP
Up