Desa B350CE - Manual (Page 15)

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Nozzle
1. Remove upper shell (see page
14).
2. Remove fuel line from
solenoid valve using 7/16"
wrench.
3. Remove spark plug wire from
spark plug.
4. Remove spark plug from
burner head using 13/16"
open-end wrench.
5. Remove five screws using
5/16" nut-driver and remove
burner head from combustion
chamber.
6. Place burner head into vise
and lightly tighten.
7. Carefully remove nozzle from
burner head using 5/8" socket
wrench (see Figure 9).
8. Inspect nozzle for damage. If
damaged or clogged, replace
nozzle.
9. Make sure plug is in place on
burner head.
10.Replace nozzle into burner
head and tighten to 80-110
inch-pounds (9.1 to 12.4 n-m).
11.Attach burner head to combus-
tion chamber.
12.Install spark plug in burner
head.
13.Attach spark plug wire to
spark plug.
14.Attach fuel line to solenoid
valve. Tighten firmly.
15.Replace upper shell.
Spark Plug
1. Remove upper shell (see page
14).
2. Remove spark plug wire from
spark plug (see Figure 7).
3. Remove spark plug from
burner head using 13/16" open-
end wrench (see Figure 7).
4. Replace spark plug if damaged
or heavily coated with carbon.
5. Clean and regap spark plug
electrodes to .055 inch
(1.4 mm) (see Figure 8).
6. Install spark plug in burner
head.
7. Attach spark plug wire to spark
plug.
8. Replace upper shell.
Spark Plug
Burner
Head
Fuel Line
Solenoid
Valve
Plug
Figure 9 - Replacing Nozzle
Nozzle
Spark
Plug
Wire
.055 inch (1.4 mm)
Figure 8 - Spark Plug Gap
Spark
Plug Wire
Spark Plug
Burner
Head
Figure 7 - Spark Plug Removal