Desa R40 Manual Del Propietário página 13

SERVICE PROCEDURES
Continued
(For 200 Model Only)
1. Remove combustion chamber and ignitor by following steps 1
through 7 under Ignitor, page 11.
2. Carefully place the ignitor in a safe location.
3. Remove two nozzle adapter bracket screws (see Figure 25).
4. Place hex-shaped aluminum nozzle adapter into vise (do not
overtighten).
5. Carefully remove nozzle from nozzle adapter using 5/8" socket
wrench (see Figure 26).
6. Blow compressed air through face of nozzle. This will re-
move any debris in nozzle.
7. Inspect nozzle seal for damage.
8. Replace nozzle into nozzle adapter until nozzle seats. Tighten
80-110 inch-pounds.
9. Attach nozzle adapter bracket to combustion chamber with two
screws removed in step 3.
10. Repeat steps 9 through 16 under Ignitor, page 11.
Combustion
Chamber
Nozzle
Adapter
Bracket
Photocell
Bracket
Air Line
Hose
Figure 25 - Removing Air and Fuel Line Hoses (200 Model Only)
Nozzle Face
Nozzle
Nozzle
Adapter
Bracket
Figure 26 - Nozzle and Nozzle Adapter
111167-01C
Nozzle Adapter
Bracket
Screw
Nozzle/
Adapter
Assembly
Fuel Line Hose
Nozzle
Sleeve
Air Line
Fitting
Fuel Line Fitting
For more information, visit www.desatech.com
For more information, visit www.desatech.com
FUEL AND AIR LINE REPLACEMENT AND
PROPER ROUTING
1. Remove upper shell (see Upper Shell Removal, page 8).
2. Remove side cover screws using 5/16" nut driver (see Figure 15
or 16, page 9 or Figure 17, page 10).
3. Remove side cover.
4. Inspect fuel and air line hoses for cracks and/or holes. If fuel line
hose is damaged, disconnect from nozzle adapter (see Figure 21
or 22, page 12, or Figure 25) and from fuel filter (see Fuel Filter,
pages 9 and 10). If air line hose is damaged, disconnect from
nozzle adapter (see Figure 21 or 22, page 12, or Figure 25) and
from barb fitting on pump end cover (see Figure 27).
5. Install new air and/or fuel line. Attach one end of air line hose to
barb fitting on pump end cover (see Figure 27) and the other
end to nozzle adapter (see Figure 21 or 22, page 12, or Figure
25). Attach one end of fuel line hose to fuel filter (see Fuel Fil-
ter, pages 9 and 10) and the other end to nozzle adapter (see
Figure 21 or 22, page 12, or Figure 25).
Note: Route hoses as shown in see Figure 21 or 22, page 12,
or Figure 25, according to model. Hoses are not to touch pho-
tocell bracket.
6. Replace side cover.
7. Replace upper shell and fan guard (see Upper Shell Removal,
page 8).
40/55/60/70
Nozzle
Adapter
Figure 27 - Air Hose to Barb Fitting
SERVICE PROCEDURES
Pump End Cover
Barb
Fitting
Air Hose
110/115/155/165/200
Models
13
13
Barb Fitting
Models