Part number 550-142-850/0716
79
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WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual
31 Annual startup(continued)
OFFBOILERANDALLOWBOILERTOCOOLDOWN4HENREMOVE
burner and clean it thoroughly using a vacuum cleaner
or compressed air. Do not use compressed air to clean
BURNERIFPERFORMEDINSIDEABUILDING
3. To access the burner, remove the heat exchanger cover
PLATEFOLLOWINGTHEPROCEDUREBEGINNINGONPAGE104.
4. )FREPLACINGTHEBURNERENSURETHEBURNERGASKETISIN
good condition and correctly positioned. Follow all
instructions on page 105 to reinstall all components.
5. Restart the boiler.
6. )NSPECTTHEmAMEATHIGHANDLOWlRE)FmAMEISSTILL
NOTACCEPTABLECHECKCOMBUSTIONVALUES)FCOMBUSTION
ISPROPERLYADJUSTEDOBTAINAREPLACEMENTBURNERFROM
Williamson-Thermoflo.