24
PFP7/REV C/01-08
6.4
Six-monthly maintenance
Burner cleaning.
Equipment required:
10ml graduated measuring cylinder
Stop watch
Cleaning wire (500 194)
Cleaning solution (025 171)
Small, stiff brush
1. Carry out the
Weekly maintenance
schedule.
2. If the instrument has been running with the flame alight, allow 30 minutes for the burner
system to cool down.
3. Disconnect the mixing chamber from the chimney unit by unscrewing the knurled
locking ring and dropping the chamber clear of the chimney.
4. Remove the fluted burner from the top of the burner tube.
5. Rinse the burner in deionised water and remove any deposits or encrustations by
brushing with a small stiff brush. If deposits are persistent, heating or boiling the
deionised water will help.
6. Replace the burner, pointed end downwards and re-assemble the mixing chamber onto
the chimney.
7. Carry out the flushing procedure as described in
Monthly maintenance
.