Dayton 5S1792 Models 2E510F, 2E511F, 3E218F, and 3E219F, Maintenance Continued, Nozzle

Dayton Operating Instructions and Parts Manual

Models 2E510F, 2E511F, 3E218F, and 3E219F

Maintenance (Continued)

NOZZLE

1.Remove upper shell (See page 6).

2.Remove fan (See page 6).

3.Remove fuel and air line hoses from nozzle assembly (See Figure 18 or 19).

4.Turn nozzle assembly 1/4 turn to left and pull toward motor to remove (See Figure 20).

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

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

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).

Burner Strap

Nozzle

Assembly

Figure 20 - Removing Nozzle Assembly, All Models

10.Attach nozzle assembly to burner strap.

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

12.Replace fan (See page 6).

13.Replace fan guard and upper shell.

Nozzle Face

Nozzle

Sleeve

Nozzle

Nozzle Adapter

Air Line

Fitting

Fuel Line

Fitting

Figure 21 - Nozzle and Nozzle Adapter, All Models

FUEL AND AIR LINE REPLACEMENT AND PROPER ROUTING

1.Remove upper shell (See page 6).

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 damaged, disconnect from nozzle adapter (See Figure 18 or 19) and from fuel filter (See page 7). If air line hose is damaged, disconnect from nozzle adapter (See Figure 18 or 19) and from barb fitting on pump end cover (See Figure 22).

Pump End Cover Barb Fitting

Barb
Fitting
Air Hose
40/60,000 Btu/Hr	110/155,000
Models	Btu/Hr Model

Figure 22 - Air Hose to Barb Fitting

5.Install new air and/or fuel line. Attach one end of air line hose to barb fitting on pump end cover (See Figure 22) and the other end to nozzle adapter (See Figure 18 or 19). Attach one end of fuel line hose to fuel filter (See page 7) and the other end to nozzle adapter (See Figure 18 or 19).

NOTE: Route hoses as shown in Figure 18 or 19 according to Model. Hoses are not to touch photocell bracket.

6.Replace side cover.

7.Replace upper shell and fan guard (See page 6).

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