Desa BC55T Service Procedures, Continued, Fuel And Air Line Replacement And Proper Routing, Barb

SERVICE PROCEDURES

Continued

6.Carefully remove nozzle from the nozzle adapter using 5/8" socket wrench. See Figure 23.

7.Blow compressed air through face of nozzle. This will free any dirt in nozzle area.

8.Inspect nozzle sleeve for damage.

9.Replace nozzle into nozzle adapter until nozzle seats. Tighten 1/3 turn more using 5/8" socket wrench (40-45 inch-pounds). See Figure 23.

10.Attach nozzle assembly to burner strap (see Figure 22).

11.Attach fuel and airline hoses to nozzle adapter assembly. See Fuel and Air Line Replacement and Proper Routing.

12.Replace fan (see Fan, page 9).

13.Replace fan guard and upper shell (see Upper Shell Removal, page 9).

Nozzle		Nozzle
		Sleeve
Face
	Nozzle
		Nozzle Adapter
		Air Line Fitting
		Fuel Line Fitting

Figure 23 - Nozzle and Nozzle Adapter,

All Models

FUEL AND AIR LINE REPLACEMENT AND PROPER ROUTING

1.Remove upper shell (see Upper Shell Re- moval, page 9).

2.Remove side cover screws using 5/16" nut driver (see Figure 15 or 16, page 11).

3.Remove side cover.

4.Inspect fuel and air line hoses for cracks and/or holes. If fuel line hose is damaged, disconnect from nozzle adapter (see Figure 19, 20, or 21, page 12) and from fuel filter (see Fuel Filter, page 11). If air line hose is damaged, discon- nect from nozzle adapter (see Figure 19, 20, or 21, page 12) and from barb fitting on pump end cover (see Figure 24).

5.Install new air and/or fuel line. Attach one end of air line hose to barb fitting on pump end cover (see Figure 24) and the other end to nozzle adapter (see Figure 19, 20, or 21, page 12). Attach one end of fuel line hose to fuel filter (see Fuel Filter, page 11) and the other end to nozzle adapter (see Figure 19, 20, or 21, page 12).

Note: Route hoses as shown in Figure 19, 20, or 21, page 12, according to model. Hoses are not to touch photocell bracket.

6.Replace side cover.

7.Replace upper shell and fan guard (see Upper Shell Removal, page 9).

Pump End Cover

Barb

Fitting

	Barb
	Fitting
	Air Hose
40/55T/70T	115T/165T
Models	Models
Figure 24 - Air Hose to Barb Fitting

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