Harman Accentra - Burnpot Maintenance

Harman® • Accentra Owner’s Manual_R40 • 2002 -___ • 11/1516 3-90-08326c
Whenaddingfuel,taketheopportunitytocleantheburnpot.
(Weekly at minimum)
• Scrapethetopholedsurfaceandsidesoftheburnpot
down to auger tube Figure 5.1. It is not necessary to
completely remove all material from the burn pot. The
excesswillbepushedoutduringthenextuse.
• With the re out and burn pot cold, use the supplied
allen wrench to remove any build-up that may have
accumulatedintheholesoftheburnpotgrate.Simply
pushtheallenwrenchdownthrougheachholeensuring
itisclearofanybuild-uppayingattentionnottodamage
theigniterelementintheprocess.
Monthly, or after each ton of fuel burned:
• Loosenthe(2)wingthumbscrewsonthelowerfrontangle
oftheburnpot.Figure5.2
• Liftofftheclean-outcovertoopenthebottomclean-out
chamber.Figure5.3
• Cleanashbuildupfrominsidethechamberwhilecover
isoff.Usethescrapertotaponthetopfrontedgeofthe
burn pot.This will help knock pieces of ash, loosened
bythescrapingprocess,downthroughtheholes.Italso
helpsknockscaleoffoftheigniterelement.
Figure 5.3
Theigniterismadetoberemovableforservicebyinsulated
male/femalewireconnectors.Theseconnectionsbetween
thehot leads (thewiresinside the burnpot) and thecold
leads(thewiresfromthecontrolboard)arealwayspulled
totheinsiderearofthefeederbody. (Not coiled inside the
burn pot.)
Itisveryimportantthattheseconnectionsaretotheinside
rearofthefeederbody.Also,theextrawireoftheigniterwire
serviceloopmustbepulledoutthroughtherearofthefeeder
andtiedupsothatitwillnotbedamagedbyanymovingparts.
Note: The hot lead/cold lead connection must always
be pulled to the rear of the feeder body before
operation.
Viewed from below through the ash pan opening.
Igniter hot lead wires
(High temperature)
Burn pot igniter
E. Burnpot Maintenance
Figure 5.1
Figure 5.2
Figure 5.3
Wing Thumb Screws
Use caution when cleaning burn pot clean-out
chamber. Do not damage the high temperature igniter
wires.
CAUTION
!
Disconnect the power to the unit before removing
cover.
DANGER
!