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1) Pull out the immersion tube by hand until you
see the two screws
(Z)
. Loosen the two screws
(Z)
using a screwdriver (TX 25) until they contact
the stop at the immersion tube (see illustration).
Note:
Contrary to the figure, the O-ring may still be in the immersion tube.
Immersion Tube
SensoGate WA 132
Z
T
D
2) Turn the immersion tube
(T)
counterclockwise
by approx. 60°.
3) The bayonet coupling opens so you can pull out
the immersion tube
(T)
in direction of the arrow.
4) Now, O-ring
(D)
(sensor gasket) is visible.
Check and replace if required
(O-ring dimensions: 11.9 x 2.6 mm).
Conditions:
First, separate the drive unit from the process adaptation (see page 25).
Stop for the screws
Removing the Immersion Tube
NOTICE!
Before working on the drive unit, make sure that the retractable fitting is
in SERVICE position (see page 13).
!
WARNING!
Warning! No process medium and no process pressure!
To separate the retractable fitting safely from the process,
make sure that it is disconnected from all process media and process pressure.