Changing Shaft Seals - Nassenheider Fill Up 2 Manual

20 Putting into operation
7.5.2

Changing shaft seals

Be careful when changing the shaft seals, not to damage any part of the pump head.
The shaft seals for the exchange may both be blue. In this case pay attention only to
the installation direction.
Fig. 10: Gear pump head L,
Disassemble the gear pump head as
described in chapter Putting into
Operation: Pump head (see Fig. 10).
Fig. 12: Remove the red/blue
Remove the red/blue and the green/blue
seal shaft after each other with a suitable
tool from the housing
(see Fig. 12 and Fig. 13).
disassembled
shaft seal
Fig. 11: Knock out the driving
shaft
Knock the hexagonal driving shaft
(including ball bearing) and the white
plastic ring out of the housing with a
suitable rubber hammer (see Fig. 11).
Fig. 13: Remove the green/blue
shaft seal