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guide wood is ready for burning when radial cracks appear in the end of logs. Properly
dry wood means it should have a moisture content of between15%-20% which can only
be accurately measured using a moisture meter. Burning wood that is not seasoned will
result in tar being deposited in the stove, on the glass and in the flueways. This build-up
of tar is a hazard and if it ignites may cause a chimney fire. Resinous softwood burns
well and gives a high output for short periods but is not as efficient and does not last as
long as hardwood.
RE-FUELLING
Adding a 'little fuel often' is the best re-fuelling method to keep smoke to a minimum.
Our tests have shown that burning logs not longer than 20cm and with a width or
diameter of no more than 12cm will produce the optimum smoke free performance.
PEAT
Peat is a fuel conveniently available in some areas and should be burned in the same
manner as wood.
SOLID MINERAL FUEL BURNING
LIGHTING AND CONTROLLING THE FIRE
For solid mineral fuel burning it is best to set the riddle grate to the open position, see
fig. 6.
Before lighting the fire for the first time ensure that the baffle, the side and back bricks
are in position. Burning without either will result in the stove castings overheating and
being damaged.
Open the air wash control and the primary air control fully. Place some tightly rolled
paper on top of some crumpled paper on the base towards the back of the stove. On top
of this, place some small pieces of wood and on top of that a few small pieces of mineral
fuel. Light the crumpled paper and close the door. Once the fire becomes established
and the fuel is burning, more fuel can be added. When the stove is hot and the fuel is no
longer producing smoke, the air wash control can be reduced. The burning rate of the
fire can now be controlled with bottom air slider. As air from the primary air slider flows
up through the grate it will cool the grate preventing it from overheating and becoming
damaged. Reducing the air inlet and introducing air only from the air wash will allow the
fuel to burn but the grate will not be cooled resulting in damage to the grate. When
controlling the fire, the air inlet should be altered gradually. Reducing the primary air
dramatically and all at once on a hot stove will cause the fuel to clinker and will result in
a build-up of gases and smoke which could ignite with a bang the moment air is
reintroduced.
EXTENDED BURNING
Before adding a large amount of fuel, the grate should be de-ashed and the ash pan
emptied. Add the fuel sloping it from the front coal bar up to the back of the stove to
the level of the top of the back brick. Open the primary air inlet and let the fire burn for
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