9-5
6. Loose venturi (11) or bad gasket (12)
can affect combustion. Tighten or
replace gasket.
AIR SHUTTER
Maintains air/gas mixture for good combus-
tion. Start with a 1/4” gap after installing a
new gas valve or piping.
Adjustment will be necessary if main burner
flame is mostly orange or yellow. If flame is
out of adjustment, check combustion
chamber and flue for soot build-up.
If soot is present, DO
NOT operate unit until all
soot is removed and correction made.
Soot is black and powdery to the touch.
See COMBUSTION CHAMBER.
Adjustment:
1. Loosen locknut (13) which locks air
shutter.
2. Screw shutter (14) in or out to obtain a
blue flame. Flame should start burning
slightly above main burner.
3. Tighten locknut.
COMBUSTION CHAMBER
Combustion chamber directs heat from
main burner flame across fins on cooking
well and out the exhaust flue (15). If main
burner flame is not adjusted correctly, soot
deposits can form on the combustion
chamber (16), exhaust flue (15) and cooking
well (17). Soot is identified as black and
powdery to the touch.
If soot is present,
DO
NOT
operate unit until all
soot is removed and corrections made.
Allow combustion cham-
ber parts to cool before
servicing. Hot metal may cause serious
burns.
Cleaning:
1. Turn cook/filter switch, gas valve
switch and manual gas shut off valve
OFF.
2. Turn main gas supply OFF.
broaster.com Manuals #14680 3/99 Rev 5/14
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