Desa B200 Owner's Manual Manual pdf 10 page image
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Desa B200 Owner's Manual

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Contents
  1. product identification
  2. theory of operation
  3. preventative maintenance
  4. troubleshooting
  5. service procedures
  6. fuel filter
  7. spark plug
  8. pump rotor
  9. parts list
  10. wiring diagram
  11. warranty and repair service
Desa B200 Owner's Manual Manual pdf 10 page image
10102569PORTABLE FORCED AIR HEATER200,000 Btu/HrNOZZLE1. Remove upper shell (see Upper ShellRemoval, page 8).2. Remove fan (see Fan, page 8).3. Remove fuel and air line hoses fromburner head.4. Remove spark plug wire from sparkplug.5. Remove spark plug from burner headusing 13/16" open-end wrench.6. Remove three screws using 5/16" nut-driver and remove burner head fromcombustion chamber.7. Place burner head into vise and lightlytighten.SPARK PLUG1. Remove upper shell (see Upper ShellRemoval, page 8).2. Remove fan (see Fan, page 8).3. Remove spark plug wire from sparkplug (see Figure 12).4. Remove spark plug and wave springwasher from burner head using 13/16"open-end wrench.5. Clean and regap spark plug electrodesto .110 gap (see Figure 13).6. Install spark plug and wave springwasher in burner head. Torque 40 to60 inch-pounds. Then adjust (if nec-essary) to bring side electrode into theacceptable range (see Figure 14).7. Attach spark plug wire to spark plug.8. Replace fan (see Fan, page 8).9. Replace fan guard and upper shell (seeUpper Shell Removal, page 8)Figure 13 - Spark Plug GapFigure 12 - Spark Plug RemovalFigure 14 - Acceptable Range For Side ElectrodeSERVICEPROCEDURESContinuedSparkPlugWireSparkPlugBurnerHeadWaveSpringWasherGapBend Here toAdjust Gap270˚ACCEPTABLE RANGEFOR SIDE ELECTRODESideElectrodeFigure 15 - Removing Burner HeadAir Line HoseScrewCombustionChamber Burner HeadSpark Plug WireSparkPlugFuel Line HoseWave SpringWasher8. Carefully remove nozzle from burnerhead using 5/8" socket wrench (see Fig-ure 16, page 11).9. Blow compressed air through face ofnozzle. This will free any dirt innozzle area.10. Inspect nozzle seal for damage.11. Replace nozzle into burner head andtighten firmly (80-110 inch-pounds).12. Attach burner head to combustionchamber.13. Install spark plug in burner head.14. Attach spark plug wire to spark plug.15. Attach fuel and airline hoses to burnerhead.16. Replace fan (see Fan, page 8).17. Replace fan guard and upper shell (seeUpper Shell Removal, page 8).270°AcceptableRange ForSideElectrode
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This manual is suitable for:
ARL B200ARL R200ARL REM200B200R200REM200
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