Spark Plug - Master B100ECA Owner's Manual

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.
12
(100,000 BTU/Hr Model Shown)
Burner
Head
Figure 9 - Spark Plug Removal
Figure 10 - Spark Plug Gap
Spark Plug
Wire
Spark
Plug
Bend Here
to Adjust
Gap