Homelite HH35A, HH55, HH110 & HH150A owner manual Pump Rotor, Procedure if rotor is binding, Removal

Page 12

PORTABLE SPACE HEATER

SERVICE

PROCEDURES

Continued

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" nut-driver.

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 29).

Note: Rotate rotor one full turn to in- sure the gap is .003"/.004" at tightest position. Adjust 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 page 10).

Note: If rotor is still binding, proceed as follows.

13.Perform steps 1 through 6.

14.Place fine grade sandpaper (600 grit) on flat surface. Sand rotor lightly in “figure 8” motion four times (see Fig- ure 30).

15.Reinstall insert and rotor.

16.Perform steps 10 through 12 above.

nut-driver.

Blade

Air Intake Filter

Gap Adjusting Screw

 

Burner Head

Combustion

Spark

Plug

Chamber

Cable

 

Screw

Spark

Plug

Fuel Line Hose

Air Line Hose

Figure 25 - Removing Burner Head, 110/ 150,000 BTU/Hr Models

Nozzle Face

Nozzle

 

 

Sleeve

Nozzle

 

Pump Plate

Filter End

Cover

Insert

Rotor

0 ROTOR Air Output

PFA/P 056

Filter

Fan Guard

Figure 27 - Rotor Location, 35/55,000 BTU/ Hr Models

Blade Pump Air Intake

Plate

Filter

Filter End

Cover

Insert

Rotor

0 ROTOR-Domestic

PFA/P 059A

 

.003"/.004"

 

Gap

 

Measured

 

With

 

Feeler

 

Gauge

Blade

Rotor

 

Gap Adjusting Screw

Figure 29 - Gap Adjusting Screw Locations

Sandpaper

Figure 30 - Sanding Rotor

Burner

Head

Air Line

Fuel Line

Air Output

Filter

Fan Guard

Fitting

Fitting

Figure 28 - Rotor Location, 110/150,000 BTU/Hr Models

Figure 26 - Removing Nozzle, 110/150,000 BTU/Hr Models

12

100507

Image 12
Contents Portable Space Heaters Safety Information Portable Space HeaterProduct Identification UnpackingAssembly FuelsVentilation For 110,000 and 150,000 BTU/ Hr Models OnlyTheory Operation To Start HeaterTo Stop Heater To Restart HeaterPreventative Maintenance Storing TRANSPORTING, or ShippingSchedule How Often How ToTroubleshooting See Pump Pressure Adjustment,Service Procedures Upper Shell RemovalFAN AIR OUTPUT, AIR INTAKE, and Lint FiltersPump Pressure Adjustment Fuel Filter35/55/110/150,000 BTU/Hr Models Service Attach spark plug wire to spark plugSpark Plug 35/55,000 BTU/Hr ModelsNozzle 110/150,000 BTU/Hr ModelsProcedure if rotor is binding Pump RotorRemoval, Specifications Wiring DiagramsAccessories AIR Gauge KIT100507 Inc

HH55, HH110 & HH150A, HH35A specifications

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