11.Tighten spark plug with spark plug mounting nut.

12.Release hex-body of spark plug from vise.

13.Replace burner strap onto combustion chamber.

14.Attach spark plug wire to spark plug.

15.Attach fuel and air line hoses to nozzle assembly.

16.Replace fan (see page 10).

17.Replace fan guard and upper shell.

45° Burner

Strap

Figure 19 - Spark Plug Rotation, 35/50/55,000 BTU/Hr Models Only

Spark Plug

(70/100/110/150,000 BTU/Hr Models)

1.

Remove upper shell (see page 10).

2.

Remove fan (see page 10).

3.

Remove spark plug wire from spark

Burner Head

Spark Plug Wire

 

plug.

4.

Remove spark plug from burner head

 

using 13/16" open-end wrench.

5.

Clean and regap spark plug elec-

 

trodes as follows:

 

70/100,000 BTU/Hr

 

Models = .055" gap

 

110/150,000 BTU/Hr

 

Model = .075" gap

6.

Install spark plug in burner head.

7.

Attach spark plug wire to spark plug.

8.

Replace fan (see page 10).

9.

Replace fan guard and upper shell.

Nozzle

Spark

Plug

Figure 20 - Spark Plug Removal, 70/100/110/150,000 BTU/Hr Models

Bend Here to Adjust Gap

Gap

Figure 21 - Spark Plug Gap, 70/100/110/150,000 BTU/Hr Models

(35/50/55,000 BTU/Hr Models)

1.

Remove upper shell (see page 10).

2.

Remove fan (see page 10).

3.

Remove fuel and air line hoses from

 

nozzle assembly.

4.

Turn nozzle assembly 1/4 turn to left

 

and pull toward motor to remove.

Combustion

Chamber

Nozzle

Nozzle

Assembly

Burner

Strap

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 seal 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).

10. Attach nozzle assembly to burner

 

strap.

11. Attach fuel and airline hoses to

 

nozzle assembly.

12. Replace fan (see page 10).

13. Replace fan guard and upper shell.

12

Assembly

Air Line Hose

Fuel Line Hose

 

 

 

Figure 22 - Removing Air and Fuel Line

Figure 23 - Removing Nozzle Assembly,

Hoses, 35/50/55,000 BTU/Hr Models

35/50/55,000 BTU/Hr Models

Nozzle

 

Nozzle

Face

 

 

Seal

 

 

Nozzle

 

 

 

Nozzle

 

 

Adapter

 

 

Air Line

Fuel Line

 

Fitting

 

Fitting

 

 

Figure 24 - Nozzle and Nozzle Adapter, 35/50/55,000 BTU/Hr Models

099176

Page 12
Image 12
Desa 000 50, 110, 000 BTU/Hr ARL, 000 55, 000 70, 150, 100 Nozzle, Spark Plug Rotation, 35/50/55,000 BTU/Hr Models Only

100, 150, 000 70, 000, 000 55 specifications

Desa 000 55,000 BTU/Hr ARL,000,100,000 70 is a high-performance heating solution that caters to both residential and commercial needs. This powerful heating unit combines efficiency, reliability, and innovative technology to ensure superior warmth during cold weather. With an output of 55,000 BTU per hour, it effectively warms up large areas, making it an ideal choice for workshops, garages, and any expansive living spaces.

One of the main features of the Desa 000 is its ability to operate with variable fuel options. This flexibility allows users to choose between propane and natural gas, providing convenience and adaptability to various settings and preferences. The unit is designed with user-friendly controls, making it easy to set and adjust the desired temperature, which enhances its usability for individuals who may not be familiar with complex heating systems.

Incorporating advanced burner technologies, the Desa 000 boasts efficient combustion, translating to reduced fuel consumption and lower energy costs. Its innovative design minimizes heat loss, ensuring that warmth is distributed evenly throughout the space. Additionally, this unit is equipped with safety features such as an automatic shut-off valve that activates in the case of a malfunction or irregular operation, providing peace of mind for users.

Another remarkable characteristic of the Desa 000 is its portability. The unit is designed with mobility in mind, featuring durable wheels that allow for easy relocation while in use. This is particularly advantageous for those who require heating in multiple spaces or need a temporary heating solution for events or construction sites.

Furthermore, the Desa 000 is manufactured with high-quality materials, ensuring longevity and reliability. Its robust construction protects against wear and tear, making it suitable for heavy-duty applications. In terms of maintenance, the unit is designed for simplicity, allowing users to perform basic upkeep without the need for professional assistance.

With its combination of performance, efficiency, and user-friendliness, the Desa 000 55,000 BTU/Hr ARL,000,100,000 70 stands out as a top choice for efficient heating solutions. Whether for residential or commercial use, this heating unit delivers a dependable and effective heating experience, ensuring comfort in any environment.