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NOZZLE
REMOVE DIRT IN NOZZLE AS NEEDED.
- Remove upper shell.
- Remove fuel line from solenoid valve using 1/4” wrench.
- Remove spark plug wire from spark plug.
- Remove spark plug from burner head using medium Phillips
screwdriver.
- Remove five screws using medium Phillips screwdriver and
remove burner head from combustion chamber.
- Carefully remove nozzle from burner head using 5/8” socket
wrench.
- Blow compressed air through face of nozzle (this will remove any
dirt).
- Inspect nozzle for damage. If damaged or clogged, replace
nozzle.
- Make sure plug is in place on burner head.
- Reinstall nozzle into burner head and tighten firmly (175-200
inch-pounds).
- Reinstall spark plug into burner head.
- Attach burner head to combustion chamber.
- Attach spark plug wire to spark plug.
- Attach fuel line to solenoid valve. Tighten firmly.
- Replace upper shell.
SPARK PLUG
CLEAN AND REGAP EVERY 600 HOURS OF OPERATION OR
REPLACE AS NEEDED.
- Remove upper shell.
- Remove spark plug wire from spark plug (See Figure 18).
- Remove spark plug from burner head using medium Phillips
screwdriver.
- Clean and regap spark plug electrodes to .140” (3.5 mm) gap.
- Reinstall spark plug into burner head.
- Attach spark plug wire to spark plug.
- Reinstall upper shell.
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15
MAINTENANCE (cont.)
Figure 18 – Spark Plug
Burner Head
Spark Plug
Spark Plug
Wire
Gap
Figure 17 – Nozzle
Burner Head
Fuel Line
Plug
Nozzle
Spark Plug
Spark Plug
Wire