Air Shutter - Roper B875 Use And Care Manual

Gas built-in oven
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MAKING
BURNER
ADJUSTMENTS
P
A
If you are using
L.P. (bottled)
gas, all the
adjustments
described on the previous
pagemustbemadebeforeyoumakeany
burner adjustments
or use the oven.
All ovens are factory adjusted for use with the natural gas
used In most areas.
But, since the gas in some areas may
vary you should check all adjustments
described
below.
If
you are using L.P. gas, all the adjustments
must be made.
Step
1:
Adjust
Air Shutter
Turn the burner full on and check the flames. Burner flames
should not flutteror blow away from the burner
They should
be blue In color with no trace of yellow
Foreign particles in
the gas line may cause an orange flame at first, but this will
soon disappear.
AIR SHUTTER
--'
SCREW
If the flames are yellow or flutter, open the air shutter more
If they blow away from the burner, close the air shutter more.
Burner flames should be checked frequently.
To idjust
air shutter:
Use a xrewdriver
to loosen the air shutter screw. Adjust the
air shutter and retighten the air shutter screw.
Step 2: Adjust
Orifice
Hood
Check the inner cone of lhe flame.
It should be about 112"
lcng foV the oven broiler burner (see below).
If Ihe length of
the inner cone of the flame is not correct, use a li2"open
end
wrench or adjustable joint pliers to adjust the orifice hood
To shorten the cones, tighten the orifice hood by turning in
the L P direction.
To lengthen the cones, loosen the orifice hood by turning i
the Nat direction.
INNER CONE
,/
OF FLAME
l/2"
WARNING:
If you
attempt
to
measure
the inner cone of the
flame, please use caution.
Burns
could result.
6
GIN.%+ 2

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