Desa RK150 owner manual Nozzle, Pump Rotor, Continued

Nozzle

1.	Remove upper shell (see page
	11).
2.	Remove fan (see page 11).
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 14).
9.	Blow compressed air through
	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 (80-110 inch-
	pounds / 9.1-12.4 n-m).
12.	Attach burner head to combus-
	tion chamber.
13.	Install spark plug in burner head.
14.	Attach spark plug wire to spark
	plug.
15.	Attach fuel and airline hoses to
	burner head.

Combustion	Burner Head	Spark Plug
Chamber		Wire
Screw
	Spark
	Plug
Air Line Hose	Fuel Line Hose
Figure 13 - Removing Burner Head
Nozzle	Nozzle
	Seal
Face
Nozzle
Burner	Fuel Line
Head
	Fitting
	Air Line
	Fitting

Figure 14 - Removing Nozzle

16.	Replace fan (see page 11).
17.	Replace fan guard and upper
	shell.

Pump Rotor

(Procedure if rotor is binding)

1.	Remove upper shell (see page
	11).
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.

Blade Pump

Plate

Insert

	Rotor
100 ROTOR-Domestic	PFA/P 059A
	Air Output
	Filter

Air Intake

Filter

Filter End

Cover

6. Remove rotor, insert, and

blades.

Continued

Fan Guard

Figure 15 - Rotor Location

13

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