Vacuum system SC820G / SC840G
Material and
tools
Information on
the procedure
Translation of Originial Operating Instruction, KNF 339416-339418 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 SC840G)
1
Spare parts set (see Chapter 11 Spare parts and ac-
cessories [} 90])
1
Felt-tip pen
Tab.23:
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 Change O-rings on
the complete vacuum system (optional).
CAUTION
Risk of injury due to moving parts
If the vacuum system is not properly
disconnected from the mains, the vac-
uum system may restart if the on/off
switch is pressed.
à
Pull mains plug out of the socket.
Servicing
DE
EN
FR
ES
IT
77