HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR

SERVICE

PROCEDURES

Continued

FUEL LINES

(Procedure for Tightening Fuel Lines)

1.Remove upper shell (see page 10).

2.Use an adjustable wrench as a backup on 90° fittings.

3.Use 7/16" wrench and tighten fuel lines at solenoid valve (see Figure 13), pump, and pump fuel filter as- sembly (see Figure 14).

Burner Head

FUEL FILTERS

A. Tank Fuel Filter

1.Disconnect fuel lines from pump and pump fuel filter assembly with 7/16" wrench (see Figure 15).

2.Carefully pry fuel filter loose from fuel tank with flat end of screwdriver.

3.Inspect fuel filter for water or dirt.

4.Rinse fuel filter and fuel lines with clean kerosene.

5.Replace fuel filter into fuel tank.

6.Connect fuel lines to pump and pump fuel filter assembly.

Pump Fuel

Filter

Assembly

B. Pump Fuel Filter

1.Unscrew canister bottom from canis- ter top with adjustable pliers.

2.Remove fuel filter and gasket from can- ister bottom (see Figure 16).

3.Inspect canister bottom and fuel filter for water droplets or dirt.

4.Rinse canister bottom in clean kerosene.

5.Wipe inside of canister bottom dry with clean cloth.

6.Rinse fuel filter in clean kerosene.

7.Put clean fuel filter and gasket back in canister bottom.

8.Screw canister bottom into canister top.

9.Tighten securely.

Canister Top

Fuel

Line

Solenoid

Valve

Figure 13 - Fuel Line at Solenoid Valve

Pump

Fuel Filter

Assembly

Pump

Fuel

Lines

Figure 14 - Fuel Lines at Pump and Pump Fuel Filter Assembly

Fuel

Gasket

Lines

 

 

Fuel Filter

Fuel Filter

 

Figure 15 - Removing Tank Fuel Filter

Canister

 

Bottom

 

Figure 16 - Fuel Pump Filter and Canister

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Desa B600D, B350D owner manual Fuel Filters, Procedure for Tightening Fuel Lines, Tank Fuel Filter, Pump Fuel Filter

B350D, B600D specifications

The Desa B350D and B600D are two cutting-edge heating appliances designed to meet modern demands for efficiency, performance, and user convenience. These models, known for their reliable heating capabilities, incorporate advanced technologies that enhance both functionality and comfort in various environments.

The Desa B350D is a mid-range option that is ideal for smaller spaces. It boasts a compact design that allows it to fit seamlessly into any room, while still delivering substantial heating power. The B350D features an adjustable thermostat, which gives users complete control over their heating needs. With a maximum output of 35,000 BTUs, it can effectively heat areas up to approximately 1,200 square feet. The unit is equipped with an innovative multi-fuel system that allows it to operate on natural gas, propane, or liquid fuel, providing versatility and convenience to users.

On the other hand, the Desa B600D is a more powerful option, designed for larger spaces requiring higher heating capacities. With an output capacity of 60,000 BTUs, it efficiently warms areas up to 2,000 square feet, making it a perfect choice for workshops, garages, or large living spaces. Just like its smaller counterpart, the B600D features a user-friendly adjustable thermostat for personalized comfort.

Both models integrate safety features such as a tilt switch, which automatically shuts off the unit if it is tipped over, ensuring peace of mind when in use. Additionally, these units are designed with a durable exterior that is built to withstand the rigors of frequent usage.

Energy efficiency is a critical consideration in today's eco-conscious market, and the Desa B350D and B600D deliver on this front as well. Both models feature an efficient burner system that maximizes fuel utilization, reducing overall consumption and lowering heating costs.

In terms of maintenance, both models are designed for easy access to components, allowing users to perform routine checks and maintenance without hassle. The user manuals provide clear instructions, ensuring that even those with minimal technical expertise can keep their units in optimal working condition.

In summary, the Desa B350D and B600D stand out in the heating appliance market for their powerful performance, versatile fuel options, and user-friendly features. Whether for residential or commercial applications, these models represent a reliable choice for those seeking efficient and effective heating solutions.