Georg Fischer DIASTAR SIX Manuel D'utilisation D'origine page 44

3. Open housing nut with a strap wrench, take actuator out
Information
On opening: unlatching of the friction lock is clearly audible
4. For dismounting: Move actuator in "closed" position
5. Hold actuator tight and screw diaphragm counter clockwise out of the inner housing
6. Screw new diaphragm clockwise into the inner housing and then turn the diaphragm
back by min. 90°
For assembly: To screw the new diaphragm in, the actuator must be positioned
upright for the first turns.
Diaphragm tabs must be positioned between the narrow guiding bars of
the inner housing
7. Replace friction lock on the valve body, therefore loose it with a screw driver. Push the
new one in
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