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100507
OWNER’S MANUAL
NOZZLE
(110/150,000 BTU/Hr Models)
1. Remove upper shell (see Upper Shell
Removal, page 8).
2. Remove fan (see Fan, page 8).
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.
NOZZLE
(35/55,000 BTU/Hr Models)
1. Remove upper shell (see Upper Shell
Removal, page 8).
2. Remove fan (see Fan, page 8).
3. Remove fuel and air line hoses from
nozzle assembly.
4. Turn nozzle assembly 1/4 turn to left
and pull toward motor to remove.
5. Place plastic hex-body into vise and
lightly tighten.
6. Carefully remove nozzle from the
nozzle adapter using 5/8" socket
wrench.
7. Blow compressed air through face of
nozzle. This will free any dirt in nozzle area.
8. Inspect nozzle sleeve for damage.
Nozzle
Nozzle
Face
Nozzle
Adapter
Air Line
Fitting
Fuel Line
Fitting
Nozzle
Sleeve
Figure 24 - Nozzle and Nozzle Adapter,
35/55,000 BTU/Hr Models
Nozzle
Assembly
Fuel Line Hose
Nozzle
Assembly
Figure 22 - Removing Air and Fuel Line
Hoses, 35/55,000 BTU/Hr Models
Figure 23 - Removing Nozzle Assembly,
35/55,000 BTU/Hr Models
Burner
Strap
Combustion
Chamber
Air Line Hose
SERVICE
PROCEDURES
Continued
9. Replace nozzle into nozzle adapter un-
til nozzle seats. Tighten 1/3 turn more
using 5/8" socket wrench (40-45 inch-
pounds).
10. Attach nozzle assembly to burner strap.
11. Attach fuel and airline hoses to nozzle
assembly.
12. Replace fan (see Fan, page 8).
13. Replace fan guard and upper shell.
6. Remove three screws using
5/16" nut-driver and remove burner
head from combustion chamber.
7. Place burner head into vise and lightly
tighten.
8. Carefully remove nozzle from burn-er
head using 5/8" socket wrench (see Fig-
ure 26, page 12).
9. Blow compressed air through face of
nozzle. This will free any dirt in nozzle area.
10. Inspect nozzle sleeve for damage.
11. Replace nozzle into burner head and
tighten firmly (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 Fan, page 8).
17. Replace fan guard and upper shell.
Continued