Operating instructions DuMaster D-480
©BÜCHI Labortechnik AG
8 - Maintaining the instrument
200
Dismantled ball valve
The following picture shows the disassembled ball valve:
Legend:
1 Wheel flange of the half shells
2 Top and bottom half shell
3 Ball
4 Screws
5 Drive bearing
6 Holder plate
7 O-ring
8 Bayonet catch
Phase 4: Dismantling the ball valve
Please observe the following instruction:
Caution
Cutting sealing elements apart/out (o-rings, quad rings, half shells, ferrules).
When cutting sealing elements apart/out with a knife you may damage sealing
surfaces.
Never remove sealing elements with a knife but rather with tweezers.
Proceed as follows:
Unscrew and remove the wheel flange of the half shells using the hook wrench.
Unscrew the screws of the holder plate and remove the holder plate.
Содержание DuMaster D-480
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