Servicing
Vacuum pump system SCC 950
44
Translation of original Operating Instructions, English, KNF 304771-304773 07/18
Fig. 23: Exploded drawing of pump heads 1 and 2
9.3.5. Replacing the diaphragms and valve plates
1. Manually remove the four diaphragms
8
)
by turning
them in a counter-clockwise direction.
Use caution to prevent the shim rings (
17
) located between
the diaphragm and the connecting rod from falling into the
pump housing. The shim rings (
17
) must be installed in the
same quantity as before to ensure the pump's pneumatic
performance.
Fig. 24: Replacing the diaphragm
