27
1. Move the drive unit to PROCESS position until
the two screws
(Z)
become visible.
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 133
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, the 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 immersion tube from the process adaptation (see “Removing the Drive Unit”
chapter).
Stop for the
screws on the
immersion tube
Removing the Immersion Tube
