6 exchanging the rod – VEGA VEGAFLEX 83 Foundation Fieldbus Polished version User Manual

Page 67

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9 Diagnostics and service

VEGAFLEX 83 • Foundation Fieldbus

44224-EN-130910

Or on site by the user

In both cases, the serial number of the sensor is needed. The serial

numbers are stated on the type label of the instrument, on the inside

of the housing as well as on the delivery note.
When loading on site, first of all the order data must be downloaded

from the Internet (see operating instructions manual "Electronics

module").

9.6 Exchanging the rod

The rod (meas. part) of the probe can be shortened, if necessary. To

loosen the meas. rod you need a fork spanner with spanner width 10.
Caution:

Remember that the polished rod of the food version is very sensitive

to damage and scratching. Use special tools in order to avoid damag-

ing the surface.
1. Loosen the rod by applying a fork spanner to the flat surfaces

(SW 10), provide counterforce manually on the process fitting

2. Twist off the loosened measuring rod manually
3. Put the attached new seal ring onto the thread.
4. Insert the new measuring rod carefully by hand with a twisting

motion into the opening of the process fitting.

5. Continue screwing in the rod manually into the opening of the pro-

cess fitting.

6. Exert counterforce manually and tighten the rod on the flat sur-

faces with a torque of 6 Nm (4.43 lbf ft).

Exchanging the rod

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