Desa B350D Owner's Manual

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Contents

12099507HIGH PRESSURE PORTABLE FORCED AIRHEATER 350,000 AND 600,000 BTU/HRFuel FilterFuelLinesFUEL FILTERSA. Tank Fuel Filter1. Disconnect fuel lines from pump andpump fuel filter assembly with 7/16"wrench (see Figure 15).2. Carefully pry fuel filter loose from fueltank with flat end of screwdriver.3. Inspect fuel filter for water or dirt.4. Rinse fuel filter and fuel lines withclean kerosene.5. Replace fuel filter into fuel tank.6. Connect fuel lines to pump and pumpfuel filter assembly.Pump FuelFilterAssemblyFigure 15 - Removing Tank Fuel FilterB. Pump Fuel Filter1. 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 filterfor water droplets or dirt.4. Rinse canister bottom in clean kerosene.5. Wipe inside of canister bottom dry withclean cloth.6. Rinse fuel filter in clean kerosene.7. Put clean fuel filter and gasket back incanister bottom.8. Screw canister bottom into canister top.9. Tighten securely.Figure 16 - Fuel Pump Filter and CanisterCanister TopGasketCanisterBottomFuel FilterSERVICEPROCEDURESContinuedFUEL LINES(Procedure for TighteningFuel Lines)1. Remove upper shell (see page 10).2. Use an adjustable wrench as a backupon 90° fittings.3. Use 7/16" wrench and tighten fuellines at solenoid valve (see Figure13), pump, and pump fuel filter as-sembly (see Figure 14).FuelLineSolenoidValveBurner HeadPumpPumpFuel FilterAssemblyFigure 13 - Fuel Line at Solenoid ValveFigure 14 - Fuel Lines at Pump and PumpFuel Filter AssemblyFuelLines