Nozzle Assembly - Factory Buys Direct FBD75T El Manual Del Propietario

NOZZLE ASSEMBLY

1. Remove upper shell (see Upper Shell
Removal, page 9).
2. Remove fan (see Fan, page 10).
3. Remove fuel and air line hoses from
nozzle assembly (see Figure 14).
4. Turn nozzle assembly 1/4 turn to left and
pull toward motor to remove (see Figure
15).
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 16).
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 16.
10. Attach nozzle assembly to burner strap
(see Figure 15).
11. Attach fuel and airline hoses to nozzle
assembly.
12. Replace fan (see Fan, page 10).
13. Replace fan guard and upper shell (see
Upper Shell Removal, page 9).
Combustion
Chamber
Nozzle
Adapter
Bracket
Photocell
Bracket
Air Line
Hose
Figure 14 - Removing Air and Fuel Line
160942-01A
SERVICE PROCEDURES
Nozzle/
Adapter
Assembly
Fuel Line
Hose
Hoses
www.factorybuysdirect.com
Combustion
Chamber
Figure 15 - Removing Nozzle/Adapter
Assembly
Nozzle Face
Nozzle
Nozzle
Adapter
Air Line
Fitting
Figure 16 - Nozzle and Nozzle Adapter
IGNITION CONTROL ASSEMBLY
WARNING: High voltage!
1. Unplug heater.
2. To expose the ignition control assembly,
remove the control panel side cover
screws using 5/16" nut-driver.
3. Remove old ignition control assembly.
Install new ignition control assembly (see
Figure 12, page 12).
4. Replace control panel side cover.
Nozzle/
Adapter
Assembly
Nozzle Sleeve
Fuel Line
Fitting
13