A.O. Smith 310 - Page 27

TroubleshootingGuide
27|Page


6) BURNERASSEMBLY
‐Nowproceedtoremovetheburnerassembly.
a. RemovethefivewidepanheadPhilipsscrewsholdingtheburnertothecombustionchamber.
Therearethreeatthetopoftheburner.Therearetwoatthebottomoftheburnertotheback
ofthecombustionchamber.

b. Disconnecttherodassembly:Orangeflamesensor,YellowAFR,Blackigniterwire
c. Removetheburner.Itmaybehardtotakeout,sotrythefollowing:
i. Withpliers,graspbetweentheovalairventsinthefrontoftheburneronthefarleftandpull
firmly.
Repeatontherightvent.
ii. Nowpullfromthecenteranditshouldslideoutreadily.
d. Inspectthegasket.(Minorsurfacetearsareallowable.Majorseparationsarenotacceptable.


7) CLEANTHEBURNER
–Usedegreaserinapumpactionbottle.
a. Protecttheburnergasketfromdirectwaterpressure.
IFthegasketbecomescompromised,pleasecontactthe
TechnicalServiceDepartmentforfurtherassistance.

b. Thoroughlysaturatetheburnerwiththecleaningsolution
fromthetop,downthroughtheslots,aswellasthe
openingsinthefrontoftheburneruntiltheburneris
soakingwet.
c. Lettheburnersitfor5minutes.
d. Removetheburnerfromthesolution.Settheburner
ina
sinkinitsnormaluprightpositionandwashtheburner
withahighflowofwaterdownintotheslots,startingatthebackandmoving forward.Again,
ensurethatnocontactismadewiththegaskets.
e. Usecompressedairtoclearexcessivewaterfromtheburner
afterrinsing.Inspectthegasket.
(Minorsurfacetearsareallowable.Majorseparationsarenotacceptable)

8) FAN
‐Thefanisprobablycoatedwithdustaswell.
a. Placeatowelatthebottomoftheheatexchangertocoverthesquareporttothefan.This
towelwillcatchallthedustblowninthenextstep.
b. Usecompressedairtoblowintothefan.It
willrotateanddustwillflyoutofthefanhousing
intothetowelabove.



Rod Assembly
Figure27
Figure28