Spark Plug
(35 Model)
1.Remove upper shell (see page 12).
2.Remove fan (see page 12).
3.Remove fuel and air line hoses from nozzle assembly.
4.Remove spark plug cable from spark plug.
5.Remove two (2) screws using 5/16"
6.Place
7.Remove spark plug mounting nut using 11/16"
8.Remove burner strap from spark plug.
9.Clean and regap spark plug electrodes to .055" (1.4 mm) gap.
10.Replace burner strap onto spark plug. Rotate burner strap to position spark plug electrodes as shown in Figure 19.
11.Tighten spark plug with spark plug mounting nut.
12.Release
13.Replace burner strap onto combus- tion chamber.
14.Attach spark plug cable to spark plug.
15.Attach fuel and air line hoses to nozzle assembly.
16.Replace fan (see page 12).
17.Replace fan guard and upper shell.
Combustion | Spark Plug |
|
|
Mounting Nut |
|
| |
Chamber | Burner | Spark |
|
| Strap | Spark Plug | |
| Plug | ||
|
| ||
|
|
| Cable |
| Nozzle Assembly |
Air Line | Fuel Line Hose |
Hose |
|
Figure 17- Spark Plug Removal, 35 Model
Bend Here to Adjust Gap
.055" (1.4 mm) Gap
Figure 18 - Spark Plug Gap, 35 Model
Burner
45° Strap
Figure 19 - Spark Plug Rotation, 35 Model Only
Spark Plug
(100/150 Models)
1. | Remove upper shell (see page 12). |
2. | Remove fan (see page 12). |
3. | Remove spark plug cable from |
| spark plug. |
Burner Head
Spark Plug Cable
4. | Remove spark plug from burner |
| head using 13/16" |
| wrench. |
5. | Clean and regap spark plug elec- |
| trodes as follows: |
| 100 Model = .055" (1.4 mm) |
| gap |
| 150 Model = .075" (1.9 mm) gap |
6. | Install spark plug in burner head. |
7. | Attach spark plug cable to spark |
| plug. |
8. | Replace fan (see page 12). |
9. | Replace fan guard and upper shell. |
14
Spark
Plug
Figure 20 - Spark Plug Removal, 100/150 Models
Bend Here to Adjust Gap
Gap
Figure 21 - Spark Plug Gap, 100/150 Models
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