Appalachian Stove & Fabricators 36-BW Installation And Operation Procedures - Page 13
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4. CATALYST REPLACEMENT
To replace damaged or non-functioning catalytics follow these steps:
A) Loosen the damper tab bolts with 9/16" socket to allow the damper tab to slide back and lower the cast housing
as shown.
B) Remove the mixing plate, sealing plate and catalyst. Clean the area where the catalyst sits to remove old gasketing.
Inside the stove, check the area where the damper was located and clean away old gasketing, if necessary.
C) Install the new catalysts. Uncanned catalysts (catalyst not in metal housing) should be wrapped with 1/16"
gasketing before installing. Locate the catalysts ½" from the front of the damper housing. Reinstall the sealing.
D) New gasketing should be installed to allow for a seal between the damper housing and the firebox top. This may
be done by putting a layer of gasketing around the top where the housing will be located. In both cases the use of an
adhesive to hold the gasketing in place will make the installation easier.
E) Remount the cast housing in the back of the stove. Tighten damper tab bolts. Make sure the damper slides easily.
Use furnace cement to seal gaps between the sealing plate and catalysts, rod guide and the top of the firebox.
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