Desa REM115T, R115T Nozzle Assembly, Fuel And Air Line Replacement And Proper Routing, Continued

OWNER’S MANUAL

SERVICE

PROCEDURES

Continued

NOZZLE ASSEMBLY

1.Remove upper shell (see page 7).

2.Remove fan (see page 7).

3.Remove fuel and air line hoses from nozzle assembly (see Figure 12).

4.Turn nozzle assembly 1/4 turn to left and pull toward motor to remove (see Figure 13).

5.Place plastic hex-body into vise and lightly tighten.

6.Carefully remove nozzle from the nozzle adapter using 5/8" socket wrench (see Figure 14).

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

8.Inspect nozzle seal for damage.

9.Replace nozzle into nozzle adapter un- til nozzle seats. Tighten 1/3 turn more using 5/8" socket wrench (40-45 inch- pounds). See Figure 14.

10.Attach nozzle assembly to burner strap.

11.Attach fuel and airline hoses to nozzle assembly. See Fuel and Air Line Re- placement and Proper Routing.

12.Replace fan (see page 7).

13.Replace fan guard and upper shell (see page 7).

Combustion
Chamber	Nozzle/
	Adapter
	Assembly

Figure 13 - Removing Nozzle/Adapter Assembly

Nozzle Face

Nozzle

Seal

Nozzle

Nozzle

Adapter

Air Line
Fitting	Fuel Line
	Fitting

Figure 14 - Nozzle and Nozzle Adapter

FUEL AND AIR LINE

REPLACEMENT AND

PROPER ROUTING

1.Remove upper shell (see page 7).

2.Remove side cover screws using 5/16" nut driver.

3.Remove side cover.

4.Inspect fuel and air line hoses for cracks and/or holes. If fuel line hose is dam- aged, disconnect from nozzle adapter (see Figure 12) and from fuel filter (see page 8). If air line hose is damaged, dis- connect from nozzle adapter (see Fig- ure 12) and from barb fitting on pump end cover (see Figure 15).

5.Install new air and/or fuel line. Attach one end of air line hose to barb fitting on pump end cover (see Figure 15) and the other end to nozzle adapter (see Fig- ure 12). Attach one end of fuel line hose to fuel filter (see page 8) and the other end to nozzle adapter (see Figure 12). Route air and fuel line approximately as shown in Figure 12.

Note: Hoses are not to be touching pho- tocell bracket.

6.Replace side cover.

7.Replace upper shell and fan guard (see page 7).

Pump End Cover

Barb Fitting

Combustion

Chamber

Burner

Strap

Air Line

Hose

Photocell

Bracket

Nozzle/

Adapter

Assembly

Fuel Line

Hose

Air Hose

Figure 15 - Air Hose to Barb Fitting

Figure 12 - Removing Air and Fuel Line

Hoses

Continued

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