Homelite HH55 Service, Procedures, Spark Plug, 35/55,000 BTU/Hr Models, Portable Space Heater

Models: HH55 HH110 & HH150A HH35A

1 16
Download 16 pages 37.67 Kb
Page 10
Image 10
SERVICE

PORTABLE SPACE HEATER

SERVICE

8.

Remove burner strap from spark plug.

 

PROCEDURES

9.

Clean and regap spark plug electrodes

 

to .055" gap for 35,000 Btu/Hr model

Continued

 

and .075" gap for 55,000 Btu/Hr model.

SPARK PLUG

10.

Replace burner strap onto spark plug.

 

Rotate burner strap to position spark

(35/55,000 BTU/Hr Models)

 

plug electrodes (see Figure 19).

1.Remove upper shell (see Upper Shell 11. Tighten spark plug with spark plug

 

Removal, page 8).

 

mounting nut.

2.

Remove fan (see Fan, page 8).

12.

Release hex-body of spark plug from vise.

3.

Remove fuel and air line hoses from

13.

Replace burner strap onto combustion

 

nozzle assembly.

 

chamber.

4.

Remove spark plug wire from spark plug.

14.

Attach spark plug wire to spark plug.

5.Remove two (2) screws using 5/16" nut- 15. Attach fuel and air line hoses to nozzle

driver and remove burner strap.

assembly.

6. Place hex-body of spark plug into vise

16. Replace fan (see Fan, page 8).

and tighten.

 

17. Replace fan guard and upper shell.

 

 

 

7. Remove spark plug mounting nut us-

 

ing 11/16" open-end wrench.

Bend Here

 

 

 

 

 

 

to Adjust

Combustion

Spark Plug

Burner

Gap

Chamber

Mounting Nut

Strap Spark

Gap

 

 

Plug

Figure 18 - Spark Plug Gap, 35/55,000

 

 

Spark

 

 

BTU/Hr Models

 

 

Plug

 

Wire

 

45°

Burner

 

 

Strap

 

Nozzle

 

 

Assembly

 

Air Line Hose

Fuel Line

 

 

Hose

 

Figure 17 - Spark Plug Removal, 35/55,000

 

BTU/Hr Models

Figure 19 - Spark Plug Rotation, 35/55,000

 

 

BTU/Hr Models Only

Spark Plug

(110/150,000 BTU/Hr Models)

1.Remove upper shell (see Upper Shell Removal, page 8).

2.Remove fan (see Fan, page 8).

3.Remove spark plug wire from spark plug.

4.Remove spark plug from burner head using 13/16" open-end wrench.

5.Clean and regap spark plug electrodes to .075" gap.

6.Install spark plug in burner head.

7.Attach spark plug wire to spark plug.

8.Replace fan (see Fan, page 8).

9.Replace fan guard and upper shell.

Burner

Spark Plug Wire

Head

 

PROCEDURES Spark

Plug

Figure 20 - Spark Plug Removal, 110/ 150,000 BTU/Hr Models

Bend Here to

Adjust Gap

SPARK PLUG(35/55,000 BTU/Hr Models) Gap

Figure 21 - Spark Plug Gap, 110/150,000 BTU/Hr Models

10

100507

Page 10
Image 10
Homelite HH55, HH35A owner manual Service, Procedures, Spark Plug, 35/55,000 BTU/Hr Models, Portable Space Heater, Continued