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Idiomas disponibles
Idiomas disponibles
Vacuum system SH820G / SR820G / SH840G / SR840G
1 Cap screw
2 Pressure
plate
3 Head cover
4 Valve plates/
Seals
5 Locating pin
6 Intermediate
plate
7 Diaphragm
8 Shim rings
Translation of Originial Operating Instruction, KNF 325562-325564 02/23
Removing pump head
1
2
3
4
5
6
7
8
Fig.13: Pump head (pump N820 shown)
The following item numbers refer to Fig. 13, unless speci-
fied otherwise.
1. Mark the pressure plate (2), head plate (3) and intermedi-
ate plate (6) with a continuous pencil stroke. This prevents
the parts from being incorrectly mounted later on.
2. Remove the external screws (4/Fig. 12) of the pump
heads.
Servicing
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