Desa 50 - Manuel (Page 15)

15
099618
Nozzle
(35/50 Models)
1. Remove upper shell (see page 12).
2. Remove fan (see page 12).
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 thru face of
nozzle. This will free any dirt in
nozzle area.
8. Inspect nozzle seal for damage.
9. Replace nozzle into nozzle adapter
until nozzle seats. Tighten 1/3 turn
more using 5/8" socket wrench (40-
45 inch-pounds/4.5-5.1 n-m).
10. Attach nozzle assembly to burner
strap.
11. Attach fuel and airline hoses to
nozzle assembly.
12. Replace fan (see page 12).
13. Replace fan guard and upper shell.
Nozzle
Adapter
Air Line
Fitting
Fuel Line
Fitting
Nozzle
Seal
Figure 24 - Nozzle and Nozzle Adapter, 35/50 Models
Nozzle
Assembly
Fuel Line Hose
Figure 23 - Removing Nozzle Assembly,
35/50 Models
Nozzle
(70/100/150 Models)
1. Remove upper shell (see page 12).
2. Remove fan (see page 12).
3. Remove fuel and air line hoses from
burner head.
4. Remove spark plug cable 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 chamber.
7. Place burner head into vise and
lightly tighten.
Spark Plug
Cable
Spark
Plug
Combustion
Chamber
Figure 25 - Removing Burner Head, 70/100/150 Models
Combustion
Chamber
Air Line Hose
Figure 22 - Removing Air and Fuel
Line Hoses, 35/50 Models
Air Line Hose
Fuel Line Hose
Nozzle
Assembly
Burner
Strap
Screw
Continued
Nozzle Face
Nozzle
Burner Head