AM Series Boilers and Water Heaters
CHAPTER 10 – MAINTENANCE
OMM-0100_0D
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
121
of
154
GF-146
Ph.: 800-526-0288
03/28/16
Cleaning the Burner and Primary Heat Exchanger
- Continued
12. Use a cylindrical brush with plastic bristles to clean the inside of the combustion chamber,
item “H” per Figure 10-6
13. Use a vacuum cleaner to remove any unburned residue from the combustion chamber.
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 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. 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 10-4 and the O-ring “L” as per Figure 10-5.
These must be replaced with a new gasket and/or O-ring if not in good condition.
17. Open the manual gas shutoff valve.
18. Check that there are no gas leaks.
19. Restore electrical power to the unit.
