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12
Spark Plug
1. Remove upper shell (see
page 10).
2. Remove fan (see page 17).
3. Remove spark plug wire
from spark plug.
4. Remove spark plug from
burner head using 13/16"
open-end wrench.
5. Clean and regap spark plug
electrodes as follows:
.055" (1.4 mm) = 100,000
BTU/Hr model
.075" (1.9 mm) = 150,000
BTU/Hr model
6. Install spark plug in burner
head.
7. Attach spark plug wire to
spark plug.
8. Replace fan (see page 17).
9. Replace fan guard and
upper shell.
SPARK PLUG REMOVAL 70, 100 &150 PFA/P 031A
Figure 10 - Spark Plug Gap
Figure 9 - Spark Plug Removal
Burner
Head
Spark Plug
Wire
Spark
Plug
Bend Here
to Adjust
Gap
(100,000 BTU/Hr Model Shown)