Norcold 9182 Service Manual & Parts List page 33

Figure 28
Ignition/Sense
Electrode
Burner
Figure 29
Flare Nut
(On Gas Tube)
Caution: Do not clean the orifice with a
pin, drill or similar object.
Figure 30
Flue Tube
Pale Blue
Outer Cone
Sharp Blue
Inner Cone
Orifice
Burner
Sense/Ignition Electrode Alignment
Figure 28
The alignment of the electrode is to be between 1/8"-3/16" from
the top of the burner.
Burner Flame Appearance-Figure 29
A visual check of the burner flame should be made regularly. The
flame should be sharp blue with a stable burning appearance. If
there is a constant yellow component observed or if the flame
appears erratic or unstable, the burner and burner orifice must be
cleaned.
Burner Orifice Removal and Cleaning
Figure 29 & 30
1.
Turn off the gas at the main tank.
2.
Turn the refrigerator off.
3.
Remove the screws securing the burner
cover and burner box to the refrigerator.
4.
Loosen the flare nut and remove the burner
tube from the orifice. To prevent damage to the gas line, use
two wrenches when loosening the flare nut.
5.
Carefully remove the gas tube from the
burner.
6.
Remove the orifice and clean with alcohol and air pressure
(80 psi max)
7.
Remove the screw securing the burner to the burner
bracket. Remove the burner.
8.
Use air pressure to remove dust, spider webs, etc., from
inside the burner. Clean the ports of the burner with a brush.
9.
Clean and inspect the ignition/sense electrode. Replace if
corroded, cracked, or broken.
10.
Using air pressure, clean any debris from burner bracket of
cooling system.
11.
Thread orifice into the burner until finger tight. Tighten
additional 1/4 turn with wrench. Thread flare nut to ori-
fice. Do not cross-thread connections. To prevent damage,
use two wrenches when tightening.
12.
Leak test all fittings using a soapy water solution. Do not
use a solution which contains ammonia. Ammonia will
attack the brass fittings of the burner and gas valve assem-
blies. Do not leak test fittings with an open flame.
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