Maintaining The O-Rings - Siemens SITRANS FX330 Operating Instructions Manual

SITRANS FX330

7.2 Maintaining the O-rings

Figure 7-2: Maintaining the O-rings
1 Display cover
2 Rear cover
Whenever either the display cover 1 or the rear cover 2 of the housing is opened and closed
again, make sure that the O-rings are well greased or being replaced if need be (O-ring 94x2,5-
NBR-70K, ISO 3601-1).
CAUTION!
Use proper multi-purpose grease covering the full operational temperature range to treat the O-
rings with the following properties:
Operational temperature range (-30...+130
•
Free from silicone
•
Good adhesive capability
•
• Lithium saponified
Water resistant
•
Compatible with material of O-ring
•
05/2016 - A5E36751269-AA
C / -22...+266
°
www.siemens.com/flow
SERVICE
F at permanent lubrication)
°
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