© 2017 Honeywell International Inc
Operation and maintenance manual HON HSV086 20
5 Maintenance
5.1 General
Maintenance work is limited to replacing the O-rings and diaphragms.
To all dynamic O-rings (seals between the moving parts) and the diaphragms applies,
for optimal working, a recommended maximum life of 4 years. For static O-rings
(seals between fixed, non-moving parts) Honeywell advises a useful life of 6 to 7
years.
You can find all required parts for maintenance work in the parts list added.
5.2 Lubricants
Mind the following during all maintenance work:
Unless otherwise indicated, all screw connections are to be greased with a suitable
grease (Honeywell advises weicon anti-seize).
All O-rings are to be greased with a suitable grease (Honeywell advises krytox
GPL 309 or Klueber unisilikon TK44 N2).
All guiding surfaces are to be greased with a suitable grease (Honeywell advises
Krytox GPL 309 or Klueber unisilikon TK44 N2).
CAUTION !!!
De-pressurise the line before starting
maintenance work!
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