Desa B350CEA owner manual Spark Plug Removal, Spark Plug Gap, Replacing Nozzle

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.

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.

Burner	Spark Plug
Head

Spark

Plug Wire

Figure 7 - Spark Plug Removal

.055 inch (1.4 mm)

Figure 8 - Spark Plug Gap

Nozzle

Plug Spark Plug

Burner	Solenoid	Spark
		Plug
	Valve
Head
		Wire
	Fuel Line

Figure 9 - Replacing Nozzle

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