Case CX490C - Page 40

INTRODUCTION
Hydraulically-operatedfanpump
ManufacturerSHIMADZUCORPORATION
Pumptype
Gearpump
Displacement40.6cm³/rev(2.5in³/rev)
Allowablepeakpressure24.5MPa(3553.73psi)
Maximumspeed2300RPM
Maximumdischargevolume
86.0L/min(22.719USgpm)at22.5MPa(3263.63psi),2300RPM,
oiltemperatureof40°C(104°F)
Negativesuctionpressure
-0.02–0.2MPa(2.90–29.01psi)
DirectionofrotationLeftrotation(seenfromshaftend)
InputshaftshapeSAEinvolutespline:13T-16/32DP
Operatingpressure20.6MPa(2988.03psi)
Operatingow69.8L/min(18.4392USgpm)
Maximumoperatingspeed2000RPM
Minimumoperatingspeed900RPM
Shaftinputhorsepower27.9kW(37.9Hp)
Shaftinputtorque133.1N·m(98.17lbft)
Operatingtemperaturerange-20–100°C(-4–212°F)
HydraulicuidusedISOviscositygradeVG46-equivalenthydraulicuid
Dryweight
5.4kg(11.905lb)
Hydraulically-operatedfanmotor
ManufacturerKOMATSULTD.(DEALTINBYKOMATSUZENOAHLTD.)
Absorptionamount
40.0cm³/rev(2.4in³/rev)
Allowablepeakpressure31.9MPa(4627.10psi)
Normal
operation
pressure
2.0MPa(290.10psi)orless
Tportpressure
Peakpressure
4.4MPa(638.22psi)orless
Normal
operation
pressure
0.10MPa(14.51psi)orless
Drainpressure
Peakpressure
0.15MPa(21.76psi)orless
Suctionvalve
performance
Suction
performance
20.0L/min(5.283USgpm)at0.10MPa(14.51psi)
Crack
pressure
19.6MPa(2842.98psi)at5.0L/min(1.321USgpm)
Safetyvalveperformance
Reseat
pressure
14.7MPa(2132.24psi)at5.0L/min(1.321USgpm)
Ratedpressure
17.8MPa(2581.89psi)
Ratedowrate64.0L/min(16.907USgpm)
Maximumoperatingspeed1600RPM
Minimumoperatingspeed1000RPM
Directionofrotation
Bothdirections
Reliefvalvesetpressure24.5MPa(3553.73psi)
Operatingtemperaturerange-20–100°C(-4–212°F)
HydraulicuidusedISOviscositygradeVG46-equivalenthydraulicuid
Flowadjustmentcontrolbyexternalcommandmilli-amp(Fanrotation
control)
Controlmethod
Directionswitchovercontrolbyexternalcommand(Fanreversecontrol)
Dryweight
15.0kg(33.069lb)
4809839920/01/2017
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