Endress+Hauser Flowfit CYA27, Руководство по эксплуатации

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Flowfit CYA27 Maintenance
Hauser 33
9 Maintenance
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CAUTION
Danger resulting from improper maintenance
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Maintenance work on the assembly that compromises pressure safety must be
performed only by authorized specialist staff.
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The valve must comply with the original technical specifications following each
maintenance activity. Appropriate measures must be taken to check and ensure leak-
tightness.
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CAUTION
Risk of injury if medium escapes
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Before each maintenance task, ensure that the process pipe is unpressurized, empty
and rinsed.
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The assembly may contain medium residue. Rinse sufficiently before starting work.
The following regular maintenance activities may be necessary on the assembly or
measuring point, depending on the application and the process conditions:
• Function check (leak-tightness and flow)
• Cleaning of assembly
• Cleaning, replacement or calibration of sensors
• Replacement of seals
9.1 Maintenance schedule
The specified intervals serve as a guide. For harsh process or ambient conditions, it is
recommended that the interval be shortened accordingly. Cleaning intervals for the
sensor and assembly are dependent on the medium.
Window Maintenance work
Monthly
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Verify that process connections are leak-tight
1. Remove sensor and check for deposits.
2. If deposits are present, check cleaning cycle (cleaning agents,
temperature, duration, flow volume).
As required, biannually or annually
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Replace seals in contact with the medium when using highly
concentrated cleaning agents.