Feedback
Core
Working pressure
of pump is maintained
at 6Mpa or less.
Pilot
re
re
3MPa
Spool
P
Main relief
valve
1
1
-4)
Main relief valve opens when the hook has been stored
and the relief valve for storing hook is actuated.
Oil fed out of pump, while generating pressure of
6Mpa, allows surplus oil to flow into the tank.
Pre
re re
ci
al
e
E
er
e
cy
crew
Sole
oi
al
e for
loa
i
Relief
al
e
for
tori
ook
Sole
oi
al
e
for
tori
ook
Pre
re re
lator
al
e
Back
re
re
al
e
Ta
k
Set-
olt
10.4 Oil flow in the in-out body when hook is being
wound up by hook storing operation
P1
Solenoid valve
for storing hook
Solenoid valve
for unlading
pressure reducing valve
Pump
Tank
Main relief valve
Relief valve for storing hook
Back pressure valve
Pressure regulator
valve
Emergency screw
(stop valve)
3.0MPa
(30kgf/cm )
20.6MPa(210kgf/cm )
Set-bolt
(stop valve)
3.9MPa(40kgf/cm )
G.P
Pailot pressurer
G.P
1.0MPa
(10kgf/cm )
1.0MPa
(10kgf/cm )
2
2
2
2
2
Primary
pressure
Secondary
pressure
Working
pressur
Feedback
Winding up
Содержание URW295CAR
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Страница 45: ...9 5 9 5 Back pressure valve O ring 731191018 Back pressure valve Gauge port Courtesy of Machine Market ...
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Страница 116: ...WIRE ROPE RETAINING MECHANISM Limit switch 750306029 25 1 Courtesy of Machine Market ...
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