Check The Hot Plate Seal; Remove The Flue Box Damper Plate; Lock The Air Valve Open; Fitting The Boards And Burner Components - Bubble Mk 2 PJ. CONVERSION Rayburn MF 19-12-05 Installation Information

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Fig 12. Secondary air chamber casting
removed.
Vac The Debris Out.
Thoroughly vacuum out all the dust
and debris from the appliance and the
ash pan area.
Fig 13. Remove the ash pit base plate
casting.
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Make sure that the ceramic rope seal,
on to which the hotplate sits, is in
good condition and not over
compressed, if it is not forming a
good airtight seal with the closure
plate, renew it.
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Remove the sliding damper in the flue
box and seal the opening left by the
sliding damper with fire cement.
Check that there are no potential for
air leaks in or around the flue box.
Check the rear outlet cover plate, as
these are prone to leaking.
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It is essential that as much cooling
and combustion air as possible be
allowed to circulate around the
burner.
A permanent free air supply must be
established, as the burner cannot
function correctly without it.
To achieve this it is necessary to fully
open the spin valve which is located in
the ash pan access door and lock it
permanently in this position by use of
either a lock nut, or a (suitably
positioned) drilled hole and split pin.
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Before permanently fitting the
boards, try a dummy run, to make sure
everything fits before final
permanent fitting and fire cementing.
It will be necessary to trim the ashpit
side lining boards, the front boards
and the opposite oven under and over
closure plate boards to fit.
(The boards can be cut and shaped
with wood working equipment.)
Start fitting the boards as per Fig 4
8
F
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