When the fire is burning well,
close the dampers _g_ and _i_ so that the fuel will not burn too rapidly
and the heat will surround the oven instead of passing up the chimney;
also, before too much of the first supply of coal is burned out, add a
new supply, but be sure that the coal is sufficiently ignited before the
new supply is added so as not to smother the fire. If only a thin layer
is added each time, this danger will be removed. Experience has proved
that the best results are secured if the fire is built only 4 inches
high. When hot coals come near the top of the stove, the lids are
likely to warp and crack from the heat and the cooking will not be done
any more effectively. Another thing to avoid in connection with a fire
is the accumulation of ashes. The ash-pan should be kept as nearly empty
as possible, for a full ash-pan will check the draft and cause the grate
in the firebox to burn out.
67. ADJUSTING THE DAMPERS.--To get the best results from a cook stove,
and at the same time overcome the wasting of fuel, the ways in which to
adjust the dampers should be fully known. If it is desired to heat the
oven for baking, close dampers _f_ and _i_ and open dampers _g_ and _h_.
With the dampers so arranged, the heated air above the fire is forced
around the oven and up the flue, as is clearly shown by the arrows in
Fig.
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