Desa BY150CE - Manual (Page 13)

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Spark Plug
(70/90/150,000 Btu/Hr Models)
1. Remove upper shell (see
page 10).
2. Remove fan (see page 18).
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:
70/90,000 Btu/Hr Models:
1.4 mm (.055") gap
150,000 Btu/Hr Model:
2.2 mm (.085") gap
6. Install spark plug in burner
head.
7. Attach spark plug wire to
spark plug.
8. Replace fan (see page 18).
9. Replace fan guard and
upper shell.
Figure 15 - Spark Plug Gap, 70/90/150,000 Btu/Hr Models
Figure 14 - Spark Plug Removal, 70/90/150,000 Btu/Hr Models
Burner
Head
Spark Plug
Wire
Spark
Plug
Bend Here
to Adjust
Gap
Gap