Desa Service Procedures, Upper Shell Removal, Fuel Filter, BY35CEH and BY70CEH Models

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SERVICE PROCEDURES

SERVICE PROCEDURES

WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.

UPPER SHELL REMOVAL

1.Remove screws and lock washers along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together.

2.Lift upper shell off.

3.Remove fan guard.

Upper

Shell

Upper Shell

Fan

Guard

Fan

Guard

Figure 7 - Upper Shell

Figure 8

- Upper Shell

Removal, BY35CEH and

Removal,

BY100CEH and

BY70CEH Models

BY150CEH Models

FUEL FILTER

(BY35CEH and BY70CEH Models)

1.Remove side cover screws using 5/16" nut-driver.

2.Remove side cover.

3.Pull rubber fuel line off fuel filter neck.

4.Carefully pry bushing and fuel filter out of fuel tank.

5.Wash fuel filter with clean fuel and replace in tank.

6.Attach rubber fuel line to fuel filter neck.

7.Replace side cover.

FUEL FILTER

(BY100CEH and BY150CEH Models)

1.Remove side cover screws using 5/16" nut-driver.

2.Remove side cover.

3.Pull upper fuel line off fuel filter neck.

4.Carefully pry bushing, lower fuel line, and fuel filter out of fuel tank.

5.Wash fuel filter with clean fuel and replace in tank.

6.Attach upper fuel line to fuel filter neck.

7.Replace side cover.

Fuel Filter

Fuel Line

Side Cover

Figure 9 - Fuel Filter Removal, BY35CEH and BY70CEH Models

Fuel Filter, Bushing,

and Lower Fuel Line

Upper

Fuel Line

Side Cover

Figure 10 - Fuel Filter Removal, BY100CEH and BY150CEH Models

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Contents Table of Contents Portable Forced AIR HeatersSafety Information Fuels Product IdentificationUnpacking Assembly VentilationTheory of Operation For BY100CEH and BY150CEH Models onlyOperation STORING, TRANSPORTING, or ShippingHow Often How To Preventative Maintenance ScheduleTroubleshooting See Fuel Filter, Service Procedures Upper Shell RemovalFuel Filter BY35CEH and BY70CEH ModelsDisconnecting Ignitor Wires from Ignition Control Assembly IgnitorPump Pressure Adjustment AIR OUTPUT, AIR INTAKE, and Lint FiltersNozzle Assembly Inspect nozzle seal for damagePump Rotor Fuel and AIR Line Replacement and Proper RoutingProcedure if Rotor is Binding FAN Ignition Control AssemblyRemove Old Assembly Service Procedures Wiring Diagram Installing the New AssemblySpecifications AccessoriesBY35CEH Model Motor and Pump AssemblyIllustrated Parts Breakdown Parts List Number Description QTYBY70CEH Model FHPF3-5C BY100CEH Model KEY Part Number Description QTY BY150CEH Model Lockwasher, #10 10-12 M22997 Plug Wheels and Handles BY100CEH and BY150CEH ModelsEC Conformity Declaration EC Conformity Declaration SGB YoungmanWarranty and Repair Service Certificate of General Equipment Limited 1 Year Warranty

BY150CEH, BY70CEH, BY100CEH, BY35CEH specifications

Desa BY150CEH, BY70CEH, BY100CEH, and BY35CEH are a series of high-performance portable generators designed for various applications, from home use to construction sites. Each model offers a unique blend of power output, efficiency, and advanced technology, catering to the diverse needs of users.

The Desa BY150CEH is the powerhouse of the group, featuring a robust 1500-watt continuous output that can tackle larger appliances and tools. It is equipped with a fuel-efficient engine that ensures longer run times with minimal fuel consumption. The generator's starting system is user-friendly, combining both recoil and electric start options for convenience. Additionally, it comes with multiple outlets, including AC and USB ports, making it versatile for numerous devices.

Next in line, the Desa BY100CEH offers a balanced solution with a 1000-watt output, suitable for powering essential household items during outages or for recreational use. The model is lightweight and portable, featuring an ergonomic handle for easy transportation. This generator incorporates advanced inverter technology, ensuring clean and stable power suitable for sensitive electronics, such as laptops and smartphones.

The Desa BY70CEH stands out for its compact design, making it ideal for campers and outdoor enthusiasts. With a 700-watt output, it provides just enough power to run small appliances, lights, and charge devices. Its quiet operation is a significant advantage, allowing users to enjoy nature without the noise typically associated with generators. The BY70CEH also boasts a simplified control panel, making it easy for anyone to operate.

Lastly, the Desa BY35CEH is the most compact and lightweight option, focusing on portability for users who need power on the go. At 350 watts, it’s perfect for charging small electronics or powering lights during camping trips. Despite its size, it features a durable construction and is designed with user safety in mind, incorporating overload protection features.

In summary, the Desa BY series of generators presents a diverse range of options to meet the varying power needs of consumers. Each model is built with advanced features and technologies, ensuring reliability, efficiency, and ease of use. Whether for home backup, outdoor adventures, or job site requirements, the Desa BY150CEH, BY100CEH, BY70CEH, and BY35CEH collectively offer a reliable solution for portable power.
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