Spark Plug (70/90/150,000 Btu/Hr Models) - Master B100 Owner's Manual

Spark Plug
(70/90/150,000 BTU/Hr Models)
1. Remove upper shell (see
page 10).
2. Remove fan (see page 19).
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 to .055"
(1.4 mm) gap.
6. Install spark plug in burner
head.
7. Attach spark plug wire to
spark plug.
8. Replace fan (see page 19).
9. Replace fan guard and
upper shell.
100743
(70/90,000 BTU/Hr Model Shown)
Burner
Head
SPARK PLUG REMOVAL 70, 100 &150
Figure 18 - Spark Plug Removal, 70/90/150,000 BTU/Hr Models
Figure 19 - Spark Plug Gap, 70/90/150,000 BTU/Hr Models
Spark Plug
Wire
Spark
Plug
PFA/P 031A
Bend Here
to Adjust
Gap
.055"
(1.4 mm)
Gap
13