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licPumpsHydrauilCooerSMPSeriesEectricPumpsSpecaPumpsManuaPumpsBatteryPumpsSmall-Size Portable Electric Pumps for Double-Acting Cylinders (SMP Series)73MPaCR73MPaSMP Series ■SW-4WP ■SW-4WP ■SW-4WPSW-4WPSPS-7AESW-4H ■SMP-3012SL ■SMP-3012ESW■SMP-3012SP ■Hydraulic circuit diagram ■Hydraulic circuit diagram ■Hydraulic circuit diagram ■Electric circuit diagram ■Electric circuit diagramDo not apply pressure for 1 minuteor longer to prevent sticking of thespool. ■Electric circuit diagramABABABllilOl KD-3CSPS-7A1.5MPaSPS-7AESW-4H73MPa1.5MPaKD-3C(a)KD-3C(b)SPS-7A1.5MPaNo.79E since202574■SMP-30SL・SMP-40SL● A double-acting cylinder, torque wrench, etc. are operated by the remote controlled operating switch (SW-4WP).● Only while the PUSH button of the SW-4WP is pressed and held, oil is discharged from port B, and the pump automatically stops at the preset pressure for the pressure switch, maintaining the pressure. Only while the PULL button is pressed and held, oil is dis- charged from port A. As soon as the button is released, the outlet port is switched to B, and the amount of oil for the inertia of the motor is discharged from port B.● The pumps can be changed to another type 2 model by changing parts, etc. (For type 2, see page 68.)■SMP-30ESW・SMP-40ESW● Discharges from port A or B only while the “PUSH” or "PULL" button on the SW-4WP is pressed and stops automatically at the　pressure set by the pressure switch. Even when the SW-4WP button is released, the check valve maintains pressure for a long time.● An emergency oil vented port is connected between the pilot operated check valve and the discharge port for easy pressure relief. (Vent Type)● The pumps can be changed to another type 2 model by changing parts, etc. (For type 2, see page 68.)■SMP-30SP・SMP-40SP● The remote controlled operating switch (SW-4WP) operates a double-acting cylinder.● Only while the PUSH or PULL button of the SW-4WP is pressed and held, oil is discharged from port A or B, and the pump can stop automatically at the preset pressure for the pressure switch, maintaining the pressure. If the pressure drops a few MPa below the preset one, the pump will restart operation automatically.● The pumps can be changed to another type 2 model by changing parts, etc. (For type 2, see page 68.)