11.5 Change of the pump element
Proceed as follows to change the pump element:
Loosen the interlock screw (fig. 15, pos. 5) at the front of the pump element with an Allen key AF 8.
Screw the supplied extraction tool (fig. 15, pos. 2) into the thread on the front side (fig. 15, pos. 4) of the pump element.
Pull the pump element (fig. 15, pos. 1) with the extraction tool out of the pump body.
Screw the extraction tool from the old pump element into the new pump element.
The feather key (fig. 15, pos. 3) must be in the corresponding groove of the pump element.
Make sure that no dirt enters the device at the assembly of the new pump element.
Insert the pump into the mounting hole so that the feather key snaps in the groove of the pump housing.
Lightly grease the O-ring which is located on the interlock screw before assembly.
The pump element must be secured again with the enclosed new interlock screw.
Fig. 15:
When copper paste is used, the pump element must be exchanged after approx. 1,000 hours of operation
Caution!
because of the solid content!
1
2
3
4
5
6
47
Pump element
Extraction tool
Feather key
Thread
Interlock screw
O-ring
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