Master BY100CEA, Owner'S Manual

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16
102686
Nozzle
(70/100/150,000 Btu/Hr Models)
1. Remove upper shell (see
page 10).
2. Remove fan (see page
18).
3. Remove fuel and air line
hoses from burner head.
4. Remove spark plug wire
from spark plug.
5. Remove spark plug from
burner head using 13/16"
open-end wrench.
6. Remove three screws
using 5/16" nut-driver
and remove burner head
from combustion cham-
ber.
7. Place burner head into
vise and lightly tighten.
8. Carefully remove nozzle
from burner head using
5/8" socket wrench (see
Figure 24).
9. Blow compressed air thru
face of nozzle. This will
free any dirt in nozzle
area.
10. Inspect nozzle seal for
damage.
11. Replace nozzle into
burner head and tighten
firmly (9.1-12.4 n-m/80-
110 inch-pounds).
12. Attach burner head to
combustion chamber.
13. Install spark plug in
burner head.
14. Attach spark plug wire to
spark plug.
15. Attach fuel and airline
hoses to burner head.
16. Replace fan (see page
18).
17. Replace fan guard and
upper shell.
Figure 23 - Removing Burner Head, 70/100/150,000 Btu/Hr Models
Spark
Plug
Combustion
Chamber
Burner Head
Air Line Hose
Fuel Line Hose
Screw
Spark Plug
Wire
Figure 24 - Removing Nozzle, 70/100/150,000 Btu/Hr Models
Nozzle
Face
Nozzle
Burner
Head
Air line
Fitting
Fuel line
Fitting
Nozzle
Seal