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102553
Nozzle
1. Remove upper shell (see page 8).
2. Remove fan (see page 8).
3. Remove fuel and air line hoses from
nozzle assembly.
4. Turn nozzle assembly 1/4 turn to left
and pull toward motor to remove.
5. Place plastic hex-body into vise and
lightly tighten.
6. Carefully remove nozzle from the
nozzle adapter using 5/8" socket
wrench.
7. Blow compressed air through face of
nozzle. This will free any dirt in
nozzle area.
8. Inspect nozzle seal for damage.
9. Replace nozzle into nozzle adapter
until nozzle seats. Tighten 1/3 turn
more using 5/8" socket wrench (40-
45 inch-pounds).
10.Attach nozzle assembly to burner
strap.
11.Attach fuel and airline hoses to
nozzle assembly.
12.Replace fan (see page 8).
13.Replace fan guard and upper shell.
Continued
Pump Rotor
(Procedure if rotor is binding)
1. Remove upper shell (see page 8).
2. Remove filter end cover screws
using 5/16" nut-driver.
3. Remove filter end cover and air
filters.
4. Remove pump plate screws using
5/16" nut-driver.
5. Remove pump plate.
6. Remove rotor, insert, and blades.
7. Check for debris in pump. If debris
is found, blow out with compressed
air.
8. Install insert and rotor.
9. Check gap on rotor. Adjust to
.003"/.004" if needed (see Figure 13).
Note:
Rotate rotor one full turn to
insure the gap is .003"/.004" at tightest
position. Adjust if needed.
Fuel Line Hose
Nozzle
Assembly
Burner
Strap
Combustion
Chamber
Air Line Hose
Nozzle
Assembly
Nozzle
Face
Nozzle
Nozzle
Adapter
Air Line
Fitting
Fuel Line
Fitting
Figure 12 - Rotor Location
50 ROTOR
PFA/P 056
Insert
Rotor
Air Output
Filter
Blade
Pump
Plate
Air Intake
Filter
Filter End
Cover
Fan Guard
Figure 11 - Nozzle and Nozzle Adapter
Figure 9 - Removing Air and Fuel Line
Hoses
Figure 10 - Removing Nozzle Assembly
Nozzle
Seal