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10.6.5 Replacing the lower O-ring
1. Detach the valve support (10) from the bottom screw
connection (11).
2. Remove the O-ring, and fit a new O-ring (12).
10.6.6 Replacing the valves in the valve support
1. Unfasten the connection piece (8) for the top valve from the
valve support.
2. Unscrew and remove the valve (9).
3. Screw in a new valve.
4. Fasten the connection piece again.
5. Unfasten the bottom valve from the valve support.
6. Unscrew and remove the valve (9).
7. Screw in a new valve.
8. Dispose of the old O-rings, valves and old adsorbent.
10.7 Maintenance release
After completion of the maintenance work, confirm the
maintenance.
"main menu> service > maint. release".
Warning
Check the tightness of all seals, valves, hose
connections and chemical lines.
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