Desa PH30EDI, PH70EDI, PH150EDI, PH100EDI owner manual Nozzle, Remove upper shell see

Nozzle

(70/90,000 BTU/Hr Models)

1.	Remove upper shell (see
	page 10).
2.	Remove fan (see page 19).
3.	Remove fuel and air line
	hoses from burner head.
4.	Remove spark plug wire
	from spark plug.
5.	Remove spark plug from
	burner head using 13/16"
	open-end wrench.
6.	Remove three screws using
	5/16" nut-driver and
	remove burner head from
	combustion chamber.
7.	Place burner head into vise
	and lightly tighten.
8.	Carefully remove nozzle
	from burner head using
	5/8" socket wrench (see
	Figure 28).
9.	Blow compressed air thru
	face of nozzle. This will
	free any dirt in nozzle area.
10. Inspect nozzle seal for
	damage.
11. Replace nozzle into burner
	head and tighten firmly

Combustion

Chamber

		Spark Plug
Burner He	ad	Wire

Screw

Spark

Plug

Air Line Hose

Fuel Line Hose

Figure 27 - Removing Burner Head, 70/90,000 BTU/Hr Models

(9.1-12.4 n-m).

12. Attach burner head to

combustion chamber.

13. Install spark plug in burner

head.

Nozzle Face

Nozzle Seal

14. Attach spark plug wire to

spark plug.

15. Attach fuel and air line

hoses to burner head.

16. Replace fan (see page 19).

17. Replace fan guard and

upper shell.

Nozzle

Burner

Head

Air line	Fuel line
	Fitting
Fitting

Figure 28 - Removing Nozzle, 70/90,000 BTU/Hr Models

16

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