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32
CONTINUING MAINTENANCE
In addition to daily and weekly maintenance tasks, the
exhaust chamber covers should be removed and the
entire chamber vacuumed thoroughly once every 1.5
tons of pellets burned.
First, you will need to locate the cover plates to the
rear exhaust chambers. These chamber covers are
small, rectangular, metal plates that are affixed with 2
wing nuts. There are two total chamber covers. One
is about 6 inches below the air intake damper, the
other is on the top portion of the square exhaust pipe,
adjacent to the exhaust motor housing.
See Figure 33A and 33B
Once you have located the chamber covers, you will
then remove them by unscrewing the wing nuts and
pulling the plate back. There is a gasket behind the
plate to help make an airtight seal so the stove does
not draw in air through these panels. It is ok to cut
through the center of the gasket to access the
chamber behind it. As long as there is adequate
gasket material around the perimeter, it will provide a
proper seal. Using a slender hose attachment on your
ash vac, thoroughly vacuum out these chambers top
to bottom. These chambers extend all the way up to
the heat exchange tubes near the top of the stove, so
it is imperative that the entire chamber is cleaned, top
to bottom. Using a cross-hatching/sweeping motion
will ensure that no area is neglected and as much of
the ash and debris is removed as possible.
REAR AIRFLOW/EXHAUST CHAMBER
Figure 33A: Exhaust Chamber Cover Plate.
Air Intake side
Figure 33B: Exhaust Chamber Cover Plate.
Exhaust side
EXHAUST & COMBUSTION ASSEMBLY
In addition to the daily and weekly maintenance
tasks, the exhaust venting, and combustion motor,
housing, and impellers should be inspected and
cleaned once per year. See Figure 34
There is a combustion motor gasket, which allows
you to remove the motor from the housing, for
inspection and cleaning, without having to remove
the entire exhaust fan. However, if you must remove
or replace the entire exhaust fan, a new blower
flange gasket should be added between the blower
flange and the steel plate.
Figure 34: Combustion Motor Assembly
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