Nozzle - Desa PORTABLE FORCED AIR HEATERS Owner's Manual

11.Tighten spark plug with spark plug
mounting nut.
12.Release hex-body of spark plug
from vise.
13.Replace burner strap onto combus-
tion chamber.
14.Attach spark plug wire to spark
plug.
15.Attach fuel and air line hoses to
nozzle assembly.
16.Replace fan (see page 9).
17.Replace fan guard and upper shell.

Nozzle

1. Remove upper shell (see page 9).
2. Remove fan (see page 9).
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 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).
10.Attach nozzle assembly to burner
strap.
11.Attach fuel and airline hoses to
nozzle assembly.
12.Replace fan (see page 9).
13.Replace fan guard and upper shell.
10
45
Figure 12- Spark Plug Rotation
Combustion
Chamber
Air Line Hose
Figure 13 - Removing Air and Fuel Line Hoses
Burner
Strap
Figure 14 - Removing Nozzle Assembly
Nozzle
Face
Nozzle
Nozzle
Adapter
Air Line
Fitting
Figure 15 - Nozzle and Nozzle Adapter
Burner
Strap
Nozzle
Assembly
Fuel Line Hose
Nozzle
Assembly
Nozzle
Seal
Fuel Line
Fitting
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