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11.
Work in reverse order to re-assemble. Replacement inner tops include a separate ‘web’ piece
between the catalyst chamber and the damper opening. This web can move separately in
response to the high temperatures in that area.
The web is loosely bolted into place at each end and has Interam gasket to seal its ends. On
installation, the Interam gasket can look too small for the gap it seals. However, this Interam
will expand greatly under heat, and seal the gaps.
It’s worthwhile to do a ‘dry fit’ to ensure that parts fit together well before you cement anything.
Put a heavy bead of stove cement in each joint groove before putting the mating piece of iron
into it. When installing the inner top, be sure to align the inner top with the bypass operating
rod’s hole in the left side so that the bypass gate operates freely without causing the operating
rod to be forced to one side of the hole in the stove’s left side. Adjust the bypass gate so it
closes with only a little pressure.
12.
Transfer the original baffle, channel cap, and air distributor from the original inner top to the
new one.
13.
When the inner top is in place and the right side is attached and supports the inner top, use
hex bolts and steel tabs to attach the damper to the inner top. After you have positioned the
damper crank, damper operating rod, and adjuster--anchor the adjuster to the damper with a
hex bolt and nut below the damper.
14.
Re-attach the stove front, after cementing its seams where it joins the stove sides and the
inner top and the inner bottom. Add the doors.
15.
Install the catalytic combustor and insulator. Be sure there is Interam gasket around the
combustor.
16.
Re-install the brass bar across the top/front opening.
17.
Check the gasketing on the under side of the stove top to ensure a good seal here. Replace
the top. The bolts should be snug but not overly tight; over-tightening can warp the top,
possibly causing leakage.
18.
Direct the customer to re-‘cure’ the stove, to acclimate the new inner top to the pressures of
expansion and contraction. Curing is a series of five small fires, with each fire hotter and
longer than the previous one.