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18.2 REPLACING THE O-RING SEALS
We also recommend replacing the adapter's seals every time that the cartridge is replaced (supplied
with each cartridge).
Hot catalyst cartridges. Touching the cartridge can lead to very se-
vere burns. Wear protective gloves and safeguard cartridge against
unauthorised access!
Figure 10 shows schematically the location of the two inside and outside O-ring seals.
Figure 10 Adapter for catalyst cartridge with handle
The inside seals can be removed using a pointed tool (e.g. a needle).
When replacing the outside seals, they have to be pushed over the adapter into the appropriate seal
groove.
The inside seals are to be mounted as follows:
• Lay the seal in the adapter aperture;
• Push the O-ring into the appropriate seal groove using a blunt instrument.
Take care when re-mounting the O-ring seals:
Do not damage the O-rings and take care that they are correctly po-
sitioned!
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