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
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
10.Attach nozzle assembly to burner strap.
11.Attach and route fuel and airline hoses to nozzle assembly as shown (see Fig- ure 12). Route photo cell wires as shown in Figure 12.
12.Replace fan (see page 7).
13.Replace fan guard and upper shell.
Combustion
Chamber
Burner
Strap
Nozzle/
Adapter
Assembly
| Fuel Line |
Air Line | Hose |
| |
Hose | Photocell |
| Wires |
Figure 12 - Removing Air and Fuel Line Hoses
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 Upper Shell Removal, page 7).
2.Remove side cover screws using 5/16" nut driver (see Figure 8, page 8).
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 Fig- ure 12) and from fuel filter (see Fuel Fil- ter, page 8). If air line hose is damaged, disconnect 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 Figure 12). Attach one end of fuel line hose to fuel filter (see Fuel Filter, page 8) and the other end to nozzle adapter (see Figure 12). Route air and fuel line approximately as shown in Figure 12.
Note: Route hoses as shown in Figure
12. Hoses are not to touch photocell bracket.
6.Replace side cover.
7.Replace upper shell and fan guard (see Upper Shell Removal, page 7).
Pump End Cover
Barb Fitting
Air Hose
Figure 15 - Air Hose to Barb FItting
Continued
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