Desa BY35CEH, BY70CEH, BY100CEH, BY150CEH owner manual Nozzle Assembly, Service Procedures, Continued

Models: BY150CEH BY70CEH BY100CEH BY35CEH

1 26
Download 26 pages 24.92 Kb
Page 11
Image 11
NOZZLE ASSEMBLY

SERVICE PROCEDURES

11

SERVICE PROCEDURES

Continued

NOZZLE ASSEMBLY

1.Remove upper shell (see page 8).

2.Remove fan (see page 13).

3.Remove fuel and air line hoses from nozzle assembly (see Fig- ure 17, 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 (see Figure 21).

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

9.Replace nozzle into nozzle adapter until nozzle seats. Tighten 1/3 turn more using 5/8" socket wrench 4.5 to 5.1 N-m (40 to 45 in-lbs). See Figure 21.

10.Attach nozzle assembly to burner strap.

11.Attach fuel and airline hoses to nozzle assembly. See Fuel and Airline Replacement and Proper Routing, page 12.

12.Replace fan (see page 13).

13.Replace fan guard and upper shell (see page 8).

Combustion

Chamber Manual background

8.Inspect nozzle seal for damage.

Combustion

Chamber

Nozzle

Adapter

Bracket

Photocell

Bracket Manual background

Nozzle/Adapter Assembly

Fuel Line Hose

Nozzle

Adapter

Bracket

Photocell

Bracket

Air Line Manual background Hose Manual background

Nozzle/

Adapter

Assembly

Manual background Fuel Line Hose

Air Line Hose

Figure 19 - Removing Air and Fuel Line Hoses (BY150CEH Model Only)

Figure 17 - Removing Air and Fuel Line Hoses (BY35CEH and BY70CEH Models Only)

Combustion

Nozzle/Adapter

Chamber

Assembly

 

Combustion

Chamber

Nozzle Adapter

Bracket

Air Line Hose

Photocell Bracket

Nozzle/

Adapter

Assembly

Manual background Fuel Line Hose

Figure 20 - Removing Nozzle/Adapter Assembly

Nozzle

 

Face

Nozzle Seal

 

Nozzle

Nozzle Adapter

Figure 18 - Removing Air and Fuel Line Hoses (BY100CEH Model Only)

Air Line

 

Fitting

Fuel Line

 

Fitting

Figure 21 - Nozzle and Nozzle Adapter

105522

Page 11
Image 11
Desa BY35CEH, BY70CEH, BY100CEH, BY150CEH owner manual Nozzle Assembly, Service Procedures, Continued