Installation And Removal Of The Pump Elements; Ventilation Of The Pump - MBZ EP-1 Original - Betriebs- Und Montageanleitung

Adjusting the delivery rate:
− All pump elements are set to full stroke by the manufacturer.
− Remove screw plug (2) with Allen key (A/F 5).
− Set screw (3) can be turned with a screwdriver.
− Turning clockwise reduces the output rate.
−
Turning counter-clockwise increases the output rate.
−
Maximum stroke of set screw is 2.4 mm = 6 notches.
− 1 turn of set screw is 0.8 mm = 2 notches.
− Tighten screw plug (2) incl. sealing ring.

10.3. Installation and removal of the pump elements:

− Only install / remove when pump is off.
−
Install pump element with partially extended piston (4) and insert it at an angle into the housing
drilling(see diagram A).
− When the piston head rests on pressure ring - move element into vertical position (see
diagram B).
−
Piston head must run in guide ring groove.
−
Tighten the pump elements.
−
For removal, reserve above sequence.
− When removing the pump element, ensure that the piston (4) is not left behind in the pump
housing.
Diagram A:
4
The pump element or the pump are destroyed at first operation, if the pump
Attention!
element has not been positioned correctly.

10.4 Ventilation of the pump

- Remove screw plug (2) with Allen key (A/F 5).
- Screw the adjusting screw (3) by means of a screw driver until stop
- Start the pump
- Screw back the adjusting screw (3) by 1 notch per revolution of the agitator blade
- Operate the pump until oil comes out of the screw plug thread
- Assemble the screw plug (2) incl. sealing ring and tighten it
Diagram B:
2
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