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Positive Displacement Injector(PDI) System for Large Machines

Automatic intermittent gear pump AMZ-III [CE]

A lightweight and compact pump unit without controller.

Conforming to European Safety Standard. Oil level and pressure switches are standard equipment.


Pump Discharge volume 90ml/min (50Hz), 110ml/min (60Hz)
Discharge pressure 1.5MPa (safety valve set pressure)
Mortor Voltage / current AC100V?1/1.5A, AC200V?1/0.8A (50Hz)
AC100V?1/1.3A, AC200V?1/0.7A (60Hz)
Output 19W (50Hz), 18W (60Hz) Shading motor
Abnormality detection Oil level pressure
Oil level switch
Contact type A Contact (NO) ON at low level
Contact capacity 0.5A, AC DC200V/30W smaller
Prerssure switch
Contact type A Contact (NO)
Operating pressure: 1.3M ON
Reset pressure: 0.9MPa OFF
Contact capacity AC DC250V/2A
Operation rating MAX. discharge time:1 min.
Min.interval time:3 min.
Working viscosity range 50?1300mm2/S (50Hz)
Reservoir capacity 1.8l,3l (plastic) 3l,4l,8l (sheet metal)
Weight 1.8l: 2.7kg 3l: 3.6kg
External fuse 100V/2.0A, 200V/1.0A

How to Order

how to order


Model Part Number
AMZ-III-1 285017
AMZ-III-1-3 285024
AMZ-III-2 285016
AMZ-III-2-3 285023

Directions for use

  • This pump unit requires a separate control circuit to operate.
  • Do not remove the oil strainer to keep the pump clear of foreign matter.
  • Oil viscosity varies with oil temperature. Be sure to use oil within the working viscosity range. Refer to the viscosity table.
  • Oil viscosity varies with oil temperature. Be sure to use oil within specified working viscosity range. Click here to view the viscosity list.
  • Do not use any special additive-contained oil, water soluble oil and solvent.
  • Periodically check the oil in the reservoir for impurities. Replace it, if necessary, with fresh oil immediately. Be sure to clean the reservoir before oil change.
  • Make sure that proper voltage and pressure are proper.
  • Do not overtighten the discharge joint.
  • Refer to the tightening torque table.
  • Low-oil viscosity versions are available. Contact us for information.
  • For system planning information, click here.
  • * Should the pump malfunction, Contact us for immediate response with substitution.


Hydraulic circuit drawing

Hydraulic circuit drawing

Wiring digram

Wiring digram

Dimensional drawing

Dimensional drawing