KROHNE OPTISWITCH 3300C ARV33 unpressurized EN - Manual (Page 6)

4 Mounting
4.1 Mounting procedure
The numbers in brackets refer to the illustrations on the
following pages.
1
2
Fig. 1: Lock fitting ARV 67 - unpressurized
1 Lock fitting
2 Terminal screws (3 pcs.)
1 Screw the lock fitting (1) with a resistant seal ring into the
thread of your vessel and tighten the lock fitting (1) on the
hexagon
2 Clean the connection tube of the sensor and the lock fitting
carefully and remove grease, oil and dirt. Insert the sensor
into the lock fitting. Slide the tube into the requested
position and hold it
3 Make sure that the sensor is in the correct position (height.
The height adjustment of the sensor determines also the
switching point
4 Tighten the terminal screws (2) with a torque of 8 ±1 Nm
(6 ±0.7 lbf ft)
The terminal screws (2) press lightly into the tube and fix
the tube of the sensor in this position.
6 Lock fitting ARV 67 - unpressurised for OPTISWITCH 3300 C
Mounting
30924
-EN
-050704