KNF LABOPORT SH820G Originalbetriebsanleitung Seite 139

Vacuum system SH820G / SR820G / SH840G / SR840G
Material and
tools
Information on
the procedure
Translation of Originial Operating Instruction, KNF 325562-325564 02/23
Quan- Material
tity
®
1 TORX T20 screwdriver with torque indicator
1 Open-end wrench, size 14
®
1 TORX screwdriver T25 with torque indicator (only
for SH840G and SR840G)
1 Spare parts set (see Chapter 11 Spare parts and ac-
cessories [} 68])
1 Felt-tip pen
Tab.22:
à
Always replace diaphragms, valve plates/seals, and O-
rings together to maintain the performance of the pump.
à
Replace the diaphragms and valve plates/seals of the in-
dividual pump heads one after the other.
à
As standard, only the elastomer parts of the pump are re-
placed during servicing. For servicing of the complete vac-
uum system, please refer to Chapter 10.4 Change O-rings
on the complete vacuum system (optional) [} 65].
Servicing
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