Nozzle Assembly - Procom Heating 110 Manual Del Propietário

NOZZLE ASSEMBLY

1. Remove upper shell (see Upper Shell
Removal, page 13).
2. Remove fan (see Fan, page 13).
3. Remove fuel and air line hoses from
nozzle assembly (see Figure 16).
4. Turn nozzle assembly 1/4 turn to left
and pull toward motor to remove (see
Figure 17).
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 18).
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 18.
10. Attach nozzle assembly to burner strap
(see Figure 17).
11. Attach fuel and airline hoses to nozzle
assembly.
12. Replace fan (see Fan, page 13).
13. Replace fan guard and upper shell (see
Upper Shell Removal, page 13).
Combustion
Chamber
Nozzle
Adapter
Bracket
Photocell
Bracket
Air Line
Hose
Figure 16 - Removing Air and Fuel Line
16
SERVICE PROCEDURES
Nozzle/
Adapter
Assembly
Fuel Line
Hose
Hoses
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Continued
Combustion
Chamber
Figure 17 - Removing Nozzle/Adapter
Nozzle Face
Nozzle
Figure 18 - Nozzle and Nozzle Adapter
(For 220 Model Only)
1. Remove combustion chamber and ignitor
by following steps 1 through 7 under
Ignitor, page 14.
2. Carefully place ignitor in a safe location.
3. Remove two nozzle adapter bracket
screws.
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 18).
6. Blow compressed air through face of
nozzle. This will remove 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 combus-
tion chamber with two screws removed in
step 3.
10. Repeat steps 9 through 16 under Ignitor,
page 14.
Nozzle/
Adapter
Assembly
Assembly
Nozzle Sleeve
Nozzle
Adapter
Air Line
Fitting
Fuel Line
Fitting
160108-01