AERCO AM Series Boiler User Manual - Manual (Page 123)

AM Series Boilers and Water Heaters
CHAPTER 8 – SPARE PARTS
OMM-0100_0B AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 123 of 156
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Cleaning the Burner and Primary Heat Exchanger (Cont.)
12. Use a cylindrical brush with plastic bristles to clean the inside of the combustion chamber,
detail “H” per Figure 6-6
13. Use a vacuum cleaner to remove any unburned residue from the combustion chamber “H” in
Figure 6-6.
14. Clean the surfaces of the burner and around the electrodes using the vacuum cleaner.
WARNING!
While performing the next step, carefully wash only the inside of
the combustion chamber “H” of Figure 14-6, and do not get water
on the outside of the combustion chamber opening. Failure to
comply with this warning can cause extensive property damage or
a dangerous condition.
15. Using only water, wash the inside of the combustion chamber, detail “H” per Figure 14-6.
The water will drain into the condensate drain.
16. Reassemble the components by performing the disassembly steps in reverse order, taking
care to reinstall the gasket at nut “H” of Figure 14-4 and the O-ring “L” as per Figure 14-5.
These must be in good condition. If not they must be replaced with some new ones.
17. Open the manual gas shutoff valve.
18. Check that there are no gas leaks.
19. Restore electrical power to the unit.