KROHNE OPTISWITCH 3300C ARV33 16bar EN - Manual (Page 10)

10 Screw the pressure screw (11) with a view turns from top
into the mounting boss (7)
11 Clean the connection tube of the sensor and the surfaces
of the clamp (1) as well as the pressure screw (11)
carefully and remove grease, oil and dirt. Insert the sensor
into the lock fitting. Slide the tube into the requested
position and hold it
12 Make sure that the sensor is in the correct position (height.
The height adjustment of the sensor determines also the
switching point
13 Tighten the pressure screw (11) with a torque 240 ±10 Nm
(177 ±7 lbf ft)
14 Continue to turn the pressure screw (11) clockwise until the
hexagon surfaces of the pressure screw (11) and the
mounting boss (7) correspond (max. 1/6 turn)
15 Tighten the terminal screws (3) alternately. Make sure that
the gap between clamp and pressure screw is in parallel.
Tighten the terminal screws up to a torque of 10 ±1 Nm
(7 ±0.7 lbf ft).
Hence the clamp (1) is pressed against the tube and fixes
the tube of the sensor in this position
16 Fasten the locking angle (4) with the hold screw (6) and the
spring ring (5) laterally on the pressure screw (11)
Hence the pressure screw and the terminal screws are
protected against unintentional loosening
5.3 Instrument repair
If a repair is necessary, please proceed as follows:
You can download a return form from our Internet homepage
http://www.krohne-mar.com/fileadmin/media-lounge/PDF-
Download/Specimen_e.pdf.
By doing this you help us carry out the repair quickly and
without having to call back for needed information.
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Print and fill out one form per instrument
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Clean the instrument and pack it damage-proof
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Attach the completed form and possibly also a safety data
sheet to the instrument.
10 Lock fitting ARV 67 - up to 16 bar for OPTISWITCH 3300 C
Maintenance and fault rectification
30925
-EN
-050704