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CHAPTER 7
7.1 Piping
Motor pump type (EHU15/30R**00*-03)
There are different port types below for motor pump type. Be sure to connect piping at the all ports. Details
on the piping positions can be found in the outside view drawing. Use hoses for the piping work, and fasten
them with sealing tape.
In addition, the motor pump type is not equipped with an oil cooler. Use the cooling equipment separately
so that they can be used at an appropriate oil temperature.
<Piping Specifications>
Piping Port
P
DR
Suction port
Make sure the suction pressure is under -0.02MPa. If it becomes more than -0.02MPa, the flow rate may
reduce and the noise may become large.
PIM00587
HYDRAULIC PIPING
Recommended Hose
Piping Size
Withstand Pressure
EHU**R07 : 10.5 MPa
Rc 3/8
EHU**R10 : 14.0 MPa
Rc 3/8
G 3/4
Arrow view A
1.5 MPa
1.5 MPa
CAUTION
EN-30
At Shipment
Vinyl cap
P Discharge port
Rc 3/8
DR Drain port
Rc 3/8
Suction port
G 3/4
Arrow view A
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