Desa 100,000 Btu/Hr Owner's Manual page 18

5. Carefully remove nozzle from the nozzle
adapter using 5/8" socket wrench (see
Figure 26).
6. Blow compressed air through face of
nozzle. This will free any dirt in nozzle
area.
7. Inspect nozzle sleeve for damage.
8. Replace nozzle into nozzle adapter until
nozzle seats. Tighten 1/3 turn more using
5/8" socket wrench 4.5 to 5.1 N-m (40 to
45 in- bs).
9. Replace nozzle adapter into bracket (see
Figure 25, page 15) and rotate to position
shown in Figure 24, page 15.
10. Attach fuel and airline hoses to nozzle
assembly. See Fuel and Air Line Replace-
ment and Proper Routing, page 19.
11. Replace upper shell and upper shroud.
Nozzle Face
Nozzle
Nozzle Adapter
Air Line
Fitting
Figure 26 - Nozzle and Nozzle Adapter
(100/150 Models)
(For 200 Model Only)
1. Open upper shroud and remove upper shell
(see Shroud and Upper Shell, page 15).
2. Disconnect air and fuel lines.
3. Disconnect spark ignitor wire.
4. Remove two nozzle adapter bracket
screws (see Figure 27).
5. Place hex-shaped aluminum nozzle
adapter into vise (do not overtighten).
6. Carefully remove nozzle from nozzle
adapter using 5/8" socket wrench (see
Figure 28).
18
SerViCe ProCedureS
Nozzle Sleeve
Fuel Line Fitting
www.desatech.com
Continued
7. Blow compressed air through face of
nozzle. This will remove any debris in
nozzle.
8. Inspect nozzle seal for damage.
9. Replace nozzle into nozzle adapter until
nozzle seats. Tighten 80-110 in- bs.
10. Attach nozzle adapter bracket to combus-
tion chamber with two screws removed in
step 4.
11. Reconnect spark ignitor wire, fuel line and
air line.
12. Replace upper shell, upper shroud and
handle crossbar.
Combustion
Chamber
Nozzle
Adapter
Bracket
Nozzle
Adapter
Bracket
Screw
Fuel Line
Nozzle
Adapter
Air Line
Figure 27 - Removing Nozzle/Adapter
Assembly (200 Model)
Nozzle Face
Nozzle
Nozzle
Adapter
Bracket
Figure 28 - Nozzle and Nozzle Adapter
Spark Ignitor
Nozzle
Sleeve
Nozzle
Adapter
Fuel Line Fitting
(200 Model)
Air Line
Fitting
118419-01E