Mettler Toledo InTrac 785 Instructions D'utilisation page 32

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© 07 / 12 Mettler-Toledo AG, CH-8606 Greifensee
Printed in Switzerland
Attention: Recommendations by METTLER TOLEDO concerning maintenance intervals are based
solely on experience gained in standard applications and in no way binding or an admission of
any guarantee liability whatsoever on the part of the manufacturer/supplier. Depending upon the
degree of aggressiveness of the process medium, the necessary maintenance intervals to sup-
port smooth operation of the equipment may be correspondingly shorter.
Attention: Details of replacements and examination of the seals are to be documented in the
maintenance log.
Change O-rings.
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Summary the periodic change of O-rings:
O-rings «6» + «8» 17.86 x 2.62 Viton or Kalrez
Guide ring «7» 20.4 x 3.9 x 1.3
Scraper ring «9» 20.0 x 2.9 x 1.1 with O-Ring 18.77 x 1.78 Viton or Kalrez
O-rings «10» 10.77 x 2.62 Viton or Kalrez
Caution!
– Retractable housings may only be stripped down for maintenance and repair work after having
being completely dismounted from the equipment in which they were installed for operation.
– Only perform the dismantling work described and instructed in this Section and replace only
the seals listed above. Check that the correct types of seals have been selected, examine for
any signs of damage and for correct seating.
– Ensure that the seals are of the correct material quality (see Section 8).
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9
7 8
InTrac ®
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InTrac ®
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785
785