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11
102016
50 ROTOR
PFA/P 056
Fuel Line Hose
Nozzle
Assembly
Figure 13 - Removing Air and Fuel
Line Hoses
Combustion
Chamber
Air Line Hose
Nozzle
Assembly
Figure 14 - Removing Nozzle Assembly
Burner
Strap
Nozzle
Nozzle
Face
Nozzle
Adapter
Air Line
Fitting
Fuel Line
Fitting
Nozzle
Seal
Figure 16 - Rotor Location
Pump
Plate
Blade
Air Intake
Filter
Filter End
Cover
Fan Guard
Rotor
Insert
Air Output
Filter
Figure 15 - Nozzle and Nozzle Adapter
45°
Burner
Strap
Figure 12 - Spark Plug Rotation
13.Replace burner strap onto combus-
tion chamber.
14.Attach spark plug wire to spark
plug.
15.Attach fuel and air line hoses to
nozzle assembly.
16.Replace fan (see page 9).
17.Replace fan guard and upper shell.
Nozzle
1. Remove upper shell (see page 9).
2. Remove fan (see page 9).
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 9).
13.Replace fan guard and upper shell.
Pump Rotor
(Procedure if rotor is binding)
1. Remove upper shell (see page 9).
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 17,
page 12).
Note:
Rotate rotor one full turn to
insure the gap is .003"/.004" at tightest
position. Adjust if needed.