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Chapter 6. MAINTENANCE AND INSPECTION
zMaintenance and inspection cycle
Points to check Frequency
Dirty monitoring window and monitoring pipe, loose screws Once a month or more
Safety shutoff test Once a month or more
Measurement of flame voltage Once a month or more
Pilot turndown test Once a year or more
Handling Precautions
•
If burner shutoff will cause serious loss, conduct inspection
more frequently.
•
If the burner manufacturer provides specific instructions for
maintenance and inspection, be sure to observe them.
•
For inquiries about device failure, repair service, etc., contact
the azbil Group.
Replacement of the shutter unit and tube unit using the AUD
Maintenance Kit (Model AUD60A1000)
CAUTION
The service life of the tube unit and shutter unit components of this device is
a maximum of 3 years. To ensure operational safety, be sure to replace these
units with new ones within the service life period. For replacement, use the AUD
Maintenance Kit (AUD60A1000), which includes the tube and shutter units.
zAUD Maintenance Kit
The AUD Maintenance Kit incorporates the tube and shutter units,
including expendables like the O-ring.
Handling Precautions
•
When replacing, handle the tube unit gently, taking care not to
jar it.
•
When attaching the cover after replacement, fit the O-ring onto
the flange unit properly. Failure to do so will impair its sealing
performance.
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