4 Description of the micro annular gear pump
Operating manual mzr-2521 and mzr-2921
Last update: June 2019
Technical data subject to change without prior notice!
17
cap nut
casing
seal
O-ring
Ø 1,5x1 mm
fluid connection
figure 11
Pump after installation with both gaskets (version M2)
In order to prevent foreign bodies from penetrating into the pump, the liquid
inlet and outlet are protected by plastic plugs or screws.
Warning
It has to be taken care the packaging of the O-rings that these sit in the
scheduled groove properly. At not proper location of the O-rings the fluid
terminal connection can be or get leaky.
Warning
Tighten the cap nut only hand screwed!
Too firm tightening of the cap nut can rotate to one the pump housing to
lead. The pump can block.