Replacing The Catalysts; Replacing The Baffle - HearthStone Green Mountain 40 Owner's Manual

Figure 18 (cont.) - Removing/Replacing the Baffle for Inspection
4. Use a small vacuum nozzle or soft bristled
brush to remove any accumulated ash or
stoot on the face of the catalysts.
5. Inspect the catalysts for any unusual
warping, corrosion, or plugged openings.
6. If any unusual conditions are found, remove
the catalyst blocks – See replacing the
catalysts.
7. Replace the baffles and baffle protector.
Installation is the opposite of removal.
8. Ensure that the baffle pieces are pushed
together at the center joint.
R R
EMOVING OR EPLACING THE CATALYSTS
Refer to the Catalytic combustor warranty on page
35 for catalyst replacement information. DO NOT
OPERATE UNIT WHITOUT CATALYSTS.
1. Allow the stove and ashes to fully cool.
2. Loosen, but do not remove the screws
securing the rear heatshield. (If stove is so
equipped).
3. Remove the heat shield by sliding the screw
heads through the slots in the heatshield.
4. Remove the 2 bolts securing the cast iron
catalyst access cover, and remove the cover.
Hearthstone Quality Home Heating Products, Inc ®
5. Inspect the catalysts for visible damage or fly
6. If fly ash exists, or if there are suspected
7. Remove any remaining gasket material from
8. Inspect the catalysts for any fly ash or
Figure 19 – Catalyst Access Door
25
ash. If fly ash exists, gently brush the
catalysts off with a narrow soft-bristle brush,
or vacuum with a crevice tool.
catalyst performance issues, fully remove the
catalysts by gently pulling upwards from the
ribs in the cast iron, and then pulling
outwards through the catalyst access
opening.
the opening and from the catalysts.
clogging, and remove with a soft bristled
brush or vacuum crevice tool. If extra
cleaning is needed, follow the guidelines
below:
-You may use compressed air under 35
psi, air only, no chemicals.
-You may soak the catalysts in a hot water
mix (not boiling), 4 parts water, 1 part
vinegar. Rinse with cold water until
vinegar smell is mostly gone.
-No metal tools such as gun cleaners
should be used.
-No detergents or chemicals.
Green Mountain 40 (Model 8640)