Roper B400 Use And Care Manual page 8

MAKING BURNER ADJUSTMENTS
If you are using L.P. (bottled) gas, all the
adjustments described on the previous
pagemust bemadebeforeyoumakeany
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
be different, you should check all adjustments described
below.
If youare using L.P. gas, all theadjustments must
be made.
Remove the oven bottom as shown in the Cleaning and Care
section of the owner's manual. Remove the shipping wires
from the oven burner.
Step 1: Adjust Air Shutter
Turn the burner full on and check the flames. Burner flames
should not flutter or 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.
If the flames are yellow or flutter, open the arr shutter more
If they blow away from the burner, close the air shutter more
Burner flames should be checked frequently and adjust-
ments made as necessary
To adjust air shutter:
Use a screwdriver to loosen the air shutter screw. Adjust the
air snutter and retrghten the air shutter screw.
Step 2: Adjust Orifice Hood
Check the inner cone of the flame. It should be about 112"
long for the oven broiler burner (see below). If the length of
the inner cone of the flame is not correct, use a li2"open end
6
GINS80-1
'r\
BROll
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 in the
n (see illustrations this
AIR SHUTTER
AIR SHUTTER
A ACCESS OPENING COVER
B FI FCTRICAL CONNFCTION
C TRIM CLIP
D ORIFICE COVER
E OVEN IGNITOR
NAT.