Desa R40 Manual Del Propietário página 12

SERVICE PROCEDURES
12
SERVICE PROCEDURES
Continued
NOZZLE ASSEMBLY
(For 40/55/60/70/110/115/155/165 Models Only)
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 (see Fig-
ure 21 or 22).
4. Turn nozzle assembly 1/4 turn to left and pull toward motor to
remove (see Figure 23).
5. Place plastic hex-body into vise and lightly tighten.
6. Carefully remove nozzle from the nozzle adapter using 5/8"
socket wrench (see Figure 24).
7. Blow compressed air through face of nozzle. This will free
any dirt in nozzle area.
8. Inspect nozzle sleeve for damage.
9. 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-lbs). See Figure 24.
Combustion
Chamber
Nozzle
Adapter
Bracket
Photocell
Bracket
Air Line
Hose
Figure 21 - Removing Air and Fuel Line Hoses
(40/55/60/70 Models Only)
Combustion
Chamber
Nozzle Adapter
Bracket
Air Line Hose
Fuel Line
Hose
Figure 22 - Removing Air and Fuel Line Hoses
(110/115/155/165 Models Only)
Nozzle/Adapter
Assembly
Fuel Line Hose
Nozzle/
Adapter
Assembly
Photocell Bracket
For more information, visit www.desatech.com
For more information, visit www.desatech.com
10. Attach nozzle assembly to burner strap (see Figure 23).
11. Attach fuel and airline hoses to nozzle assembly. See Fuel and
Airline Replacement and Proper Routing, page 13.
12. Replace fan (see Fan, page 8).
13. Replace fan guard and upper shell (see Upper Shell Removal,
page 8).
Combustion
Chamber
Figure 23 - Removing Nozzle/Adapter Assembly
Nozzle
Face
Nozzle
Nozzle Adapter
Figure 24 - Nozzle and Nozzle Adapter
Nozzle/Adapter
Assembly
Nozzle Sleeve
Air Line
Fitting
Fuel Line
Fitting
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