OWNER’S MANUAL
SERVICE
PROCEDURES
Continued
Nozzle Face
Nozzle Seal
Nozzle
Burner
Head
Fuel
Air Line Line
Fitting Fitting
Figure 16 - Removing Nozzle
PUMP ROTOR
(Procedure if Rotor is Binding)
1.Remove upper shell (see Upper Shell Removal, page 8).
2.Remove filter end cover screws using 5/16"
3.Remove filter end cover and air filters.
4.Remove pump plate screws using 5/16"
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 18).
Note: Rotate rotor one full turn to insure the gap is .003"/.004" at tightest position. Ad- just if needed.
10.Install blades, pump plate, air filters, and filter end cover.
11.Replace fan guard and upper shell.
12.Adjust pump pressure (see Pump Pres- sure Adjustment, page 8).
Note: If rotor is still binding, proceed as follows.
13.Perform steps 1 through 6 above.
14.Place fine grade sandpaper (600 grit) on flat surface. Sand rotor lightly in “figure 8” motion four times (see Fig- ure 19).
15.Reinstall insert and rotor.
16.Perform steps 10 through 12 above.
Gap Adjusting | .003"/.004" Gap | ||||
Screw | Measured With | ||||
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Rotor
Blade
Gap Adjusting Screw
Figure 18 - Gap Adjusting Screw Locations
Sandpaper
Figure 19 - Sanding Rotor
Insert
Blade Pump
Plate
Air
Intake
Filter Filter End
Cover
Rotor
Air Output Filter
Fan Guard
Figure 17 - Rotor Location
102569 | 11 |
