Spark Plug

(30,000 Btu/Hr Model)

1.Remove upper shell (see page 10).

2.Remove fan (see page 18).

3.Remove fuel and air line hoses from nozzle assembly.

4.Remove spark plug wire from spark plug.

5.Remove two screws using 5/16" nut-driver and remove burner strap.

6.Place hex-body of spark plug into vise and tighten.

7.Remove spark plug mounting nut using 11/16" open-end wrench.

8.Remove burner strap from spark plug.

9.Clean and regap spark plug electrodes to 1.4 mm (.055") gap.

10.Replace burner strap onto spark plug. Rotate burner strap to position spark plug electrodes (see Figure 13).

11.Tighten spark plug with spark plug mounting nut.

12.Release hex-body of spark plug from vise.

13.Replace burner strap onto combustion chamber.

14.Attach spark plug wire to spark plug.

15.Attach fuel and air line hoses to nozzle assembly.

16.Replace fan (see page 18).

17.Replace fan guard and upper shell.

12

Combustion

Chamber

Spark Plug

Burner

Mounting Nut

Strap Spark

 

 

Plug Spark Plug

 

Wire

Nozzle

Assembly

Air Line

Fuel Line

Hose

Hose

Figure 11 - Spark Plug Removal, 30,000 Btu/Hr Model

Bend Here to Adjust Gap

1.4 mm (.055") Gap

Figure 12 - Spark Plug Gap, 30,000 Btu/Hr Model

Burner

BurnerStrap

Strap

Figure 13 - Spark Plug Rotation, 30,000 Btu/Hr Model Only

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Desa BY150CE, BY30CE, BY100CE, BY70CE owner manual Spark Plug Removal, 30,000 Btu/Hr Model

BY150CE, BY30CE, BY100CE, BY70CE specifications

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