Exchanging The Seal - Siemens SITRANS LG240 Operating Instructions Manual

Exchanging the seal

62
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. Screw out the loosened measuring rod by hand
3. Push the enclosed new seal ring onto the thread.
4. Screw the new rod carefully by hand onto the thread on the pro-
cess fitting.
5. Exert counterforce manually and tighten the rod on the flat sur-
faces with a torque of 4.5 Nm (3.32 lbf ft).
Fig. 36: Exchanging the measuring rod
1 Seal ring
Information:
Please maintain the specified torque so that the max. tensile strength
of the connection remains.
6. Enter new probe length and if necessary the new probe type and
then carry out a fresh adjustment (see "Setup procedure, Carry-
ing out min. adjustment - Carrying out max. adjustment").
9.7 Exchanging the seal
If necessary, the seal of the probe can be exchanged.
SITRANS LG240 - Operating Instructions
1
PBD-51041038