Harman PF100 - Maintenance - Burnpot and Feeder; Burnpot cleaning; Feeder Chamber Cleaning

29
3-90-08101R23_06/13
Burnpot cleaning:
Theburnpotshouldbecleanednolessthanonceaweek.For
bestoperationtheburnpotshouldbecleanedeverytimethe
hopperislledwithpellets.Theredoesnothavetobeout
toscrapetheburnpotalthoughitisrecomendedthefurnace
beonminimumburnatthetimeofcleaning.
Note: The furnacecan easily beturned to minimumburn
regardless of present operation. Simply  turn the Mode
SelectortoSERVICE.ThenturntheTempDialtothe#1
setting.Ifthisisdonebeforestartingtorellthehopperthe
furnacewillnotbeashotwhenscrapingtheburnpot.When
the burnpot cleaning is completed don’t forget to turn the
controlbacktotheWallControlpositions.
Usetheatendofthescraperprovidedtoscrapedownover
theholedsurfaceoftheburnpotgrate.SeeFig.62.Itis
notnecessarytocleanoutthescrapingsfromthiscleaning
because they will be pushed out the next time the auger
operates.
Note: Make a special effort to scrape the bottom inside
corners of the burnpot where the auger tube enters the
burnpot.Carbondepositscanbuildupovertimeinthisarea
thatmay causea restriction tothe ow ofpellets into the
burnpot.
Note: Anoldlongshankscrewdriverwiththeendsharpened
isanidealaidintheremovalofthesedeposits.
Cleaning the burnpot air chamber: 
Thisareaonlyneedstobecleanedtwiceaheatingseason,
unless excessive buildup is noticed during scheduled
cleanings.
Thereisacoveronthefrontoftheburnpottogainaccessto
theairchamber.Thecoverisheldintoplacebytwothumb
screws.Loosen thethumb screws andremove the cover.
SeeFig.60.Theairchambercanbecleanedofanyashthat
hasfallenthroughtheholesduringoperationandcleaning.
NOTE: ALWAYS REMEMBER TO CLOSE THE
CLEANOUT COVER AFTER CLEANING.
Feeder Chamber (Fig. 61):
This chamber may get a buildup of nes from the feeder
mechanismmovement.This area shouldbe checked and
cleanedatleastonceayear.
To remove the feeder cover:
• Removethewingnut.
• Slidethecoveroffofthethreadedstud.
• Inspectandcleantheinnerchamberifnecessary.See
Fig.61.
• Reinstallthecovermakingcertainitiscenteredonthe
feederbodyandtightenastightlyasyoucanbyhand.
Maintenance
Fig. 60
Fines cleanout cover
Scrape burnpot to remove
any carbon build-up that
may have occured.
Scraping can be done
while in operation.
Fig. 62
Fig. 61
Possiblepelletnesbuilduparea.