Case CX180C - Page 32

INTRODUCTION
Overloadsetpressure32.3MPa(4685psi)boomdown
38.2MPa(5541psi)other
Mainreliefsetpressure34.3MPa(4975psi)
(forpressure
boost)
36.3MPa(5265psi)
Footreliefsetpressure2.55MPa(370psi)
Function
Straighttravelcircuit
Boom-up/arm2pumpsinternalow
Boomandarmloadholdingcircuit
Boom-downregenerativecircuit
Bucket-closeregenerativecircuit
Arm-inforcedregenerativecircuit
Swingpriorityvariableorice
2pumpsow
Variablefootrelief
Weight
160kg(352.740lb)
Solenoidvalve(4stack)
ManufacturerYukenKogyoCo.,Ltd.
Valvespecications
MaximumowP→B20.0L/min(5.3USgpm)Other5l/min(1.321USgpm)
Ratedpressure
4.5MPa(652psi)
PortsizeP .T.Bport
G3/8
C1,C2,C3,C4,C5portsG1/4
Solenoidspecications
OperatingvoltageDC20–32V
Powerconsumption17Wmax.
Weight
5.0kg(11.0231lb)
Valveforleft/rightoperations
Manufacturer
KawasakiHeavyIndustries,Ltd.
Operatingpressure3.92MPa(569psi)
Secondarypressure0.64–2.45MPa(92.8320–355psi)primaryshorttype
1,3port
19°
Operatingangle
2,4port
25°
Weight
1.9kg(4.1888lb)
Valvefortraveloperation
Manufacturer
KawasakiHeavyIndustries,Ltd.
Operatingpressure3.92MPa(569psi)
Secondarypressure0.64–2.45MPa(92.8320–355psi)primaryshorttype
Operatingangle12.4°
Weight
5.5kg(12.1254lb)
Remotecontrolvalveforoptionoperations
ManufacturerNishinaIndustrialCo.,Ltd.
Operatingpressure39.2bar(568.400psi)
Secondarypressure6.4–24.5bar(92.800–355.250psi)primaryshorttype
Operatingangle11.4°–12.6°
Portsize
P ,T ,A,B,C1,C2G1/4
Weight
1.7kg(3.748lb)
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