Lennox Hearth II-T C FS - Manual (Page 27)

ROUTINE MAINTENANCE
PAGE 27
ASH TRAP AND BAFFLES
Access to the ash trap baffles (behind the two side fire-
bricks) is obtained by loosening the screws that hold the
Brick Retention Plates in place and lifting the clips away
from the stove. After the clips have been removed, re-
move the side bricks first, then the center firebrick. Thor-
oughly clean out the areas where ash has collected be-
hind the firebrick. The amount of time between clean-
ings will be directly related to the ash content of the pellet
fuel being burned. Excessive ash build up in the baffle
area behind the brick panels will restrict the exhaust pas-
sages and cause less combustion air to enter the firebox,
which can lead to poor performance and a "dirty burn".
Handy Hint: After the first 10-20 bags of fuel, you may
want to remove the firebrick and determine the rate at
which the fly ash is building build up within the Stove.
Contact your dealer for more information. HEAT EXCHANGER TUBES
ONLY CLEAN HEAT EXCHANGER TUBES AFTER
STOVE HAS COOLED DOWN.
A rod located above the combustion chamber door is
used for cleaning the tubes. Use the ash pan / grate
scraper tool to grab this rod and pull out and in several
times (see picture below). This will clean the fly ash off
the heat exchanger tubes. If your stove was recently
turned off, the rod may still be hot.
Use Ash Pan / Grate Scraper Tool To Pull And
Push Rod For Ash Removal From Heat Ex-
changer Tubes
Minimum Frequency of 2 days – 2 weeks
Fly Ash
Build-up
Ash Trap
Baffle
Firebrick
Retention
Plates
UltraGrate®
and
Base Plate
Firebrick
Pull Rod
Heat Exchanger
Tubes
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