![SERVICE](/images/new-backgrounds/50730/5073019x1.webp)
PORTABLE SPACE HEATER
SERVICE | 8. | Remove burner strap from spark plug. |
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PROCEDURES | 9. | Clean and regap spark plug electrodes |
| to .055" gap for 35,000 Btu/Hr model | |
Continued |
| and .075" gap for 55,000 Btu/Hr model. |
SPARK PLUG | 10. | Replace burner strap onto spark plug. |
| Rotate burner strap to position spark | |
(35/55,000 BTU/Hr Models) |
| plug electrodes (see Figure 19). |
1.Remove upper shell (see Upper Shell 11. Tighten spark plug with spark plug
| Removal, page 8). |
| mounting nut. |
2. | Remove fan (see Fan, page 8). | 12. | Release |
3. | Remove fuel and air line hoses from | 13. | Replace burner strap onto combustion |
| nozzle assembly. |
| chamber. |
4. | Remove spark plug wire from spark plug. | 14. | Attach spark plug wire to spark plug. |
5.Remove two (2) screws using 5/16" nut- 15. Attach fuel and air line hoses to nozzle
driver and remove burner strap. | assembly. | ||
6. Place | 16. Replace fan (see Fan, page 8). | ||
and tighten. |
| 17. Replace fan guard and upper shell. | |
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7. Remove spark plug mounting nut us- |
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ing 11/16" | Bend Here | ||
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| to Adjust |
Combustion | Spark Plug | Burner | Gap |
Chamber | Mounting Nut | Strap Spark | Gap |
|
| Plug | Figure 18 - Spark Plug Gap, 35/55,000 |
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| Spark | |
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| BTU/Hr Models | |
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| Plug |
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Wire
| 45° | Burner |
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| Strap |
| Nozzle |
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| Assembly |
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Air Line Hose | Fuel Line |
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| Hose |
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Figure 17 - Spark Plug Removal, 35/55,000 |
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BTU/Hr Models | Figure 19 - Spark Plug Rotation, 35/55,000 | |
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| BTU/Hr Models Only |
Spark Plug
(110/150,000 BTU/Hr Models)
1.Remove upper shell (see Upper Shell Removal, page 8).
2.Remove fan (see Fan, page 8).
3.Remove spark plug wire from spark plug.
4.Remove spark plug from burner head using 13/16"
5.Clean and regap spark plug electrodes to .075" gap.
6.Install spark plug in burner head.
7.Attach spark plug wire to spark plug.
8.Replace fan (see Fan, page 8).
9.Replace fan guard and upper shell.
Burner | Spark Plug Wire | |
Head | ||
|
Spark
Plug
Figure 20 - Spark Plug Removal, 110/ 150,000 BTU/Hr Models
Bend Here to
Adjust Gap
Gap
Figure 21 - Spark Plug Gap, 110/150,000 BTU/Hr Models
10 | 100507 |