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Desa B350D Service Manual

High pressure portable forced air heaters
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See also: Owner's Manual
SERVICE MANUAL
HIGH PRESSURE
PORTABLE FORCED AIR HEA TERS
350 SIDE
PFA/PV 008
600 SIDE
PFA/PV 009
DESA
INTERNATIONAL
Technical Service Department • P.O. Box 90004 • 2701 Industrial Drive • Bowling Green, Kentucky 42102-9004

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Summary of Contents for Desa B350D

  • Page 1 SERVICE MANUAL HIGH PRESSURE PORTABLE FORCED AIR HEA TERS 350 SIDE PFA/PV 008 600 SIDE PFA/PV 009 DESA INTERNATIONAL Technical Service Department • P.O. Box 90004 • 2701 Industrial Drive • Bowling Green, Kentucky 42102-9004...

  • Page 2: Table Of Contents

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L Section 1 - Safety Information .................

  • Page 3: Section 1 - Safety Information

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L SAFETY INFORMATION S E C T I O N Safety Requirements...

  • Page 4: C O N T E N T S Arrangement Of Manual

    • Kerosene is combustible. understand and correct problems on the • Guard against electrical shock. DESA International High Pressure Portable • Heater parts get hot during operation. Forced Air Heater. The first part of this manual Touching these parts can cause severe contains basic information about the opera- burns.

  • Page 5: Section 3 - General Specifications And Applications Information

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L GENERAL SPECIFICATIONS AND APPLICATIONS INFORMATION S E C T I O N Fuel Selection...

  • Page 6: Heater Performance Specifications

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L Heater Performance Specifications 350,000 BTU/Hr 600,000 BTU/Hr...
  • Page 7 H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L ORANGE ORANGE SPARK PLUG...

  • Page 8: Section 4 - Component Operation

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L COMPONENT OPERATION S E C T I O N All Systems Working Together...

  • Page 9: Fuel Filters

    Under pressure, flow rate or spray pattern. Use only replace- the oil expands through the nozzle orifice and ment parts supplied by DESA International. Figure 4 - Nozzle...

  • Page 10: Electrical System

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L ELECTRICAL SYSTEM Motor inside the motor.

  • Page 11: Ignition Transformer

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L Ignition Transformer The ignition transformer operates on 120V/ 60Hz.

  • Page 12: Section 5 - Troubleshooting

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L TROUBLESHOOTING S E C T I O N Safety Requirements...

  • Page 13: Frequent Spark Plug Fouling/Delayed Ignition

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L TROUBLESHOOTING —...

  • Page 14: Spark Plug Sparks, But Motor Does Not Start

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L TROUBLESHOOTING —...

  • Page 15: Motor Starts, But Heater Will Not Ignite

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L TROUBLESHOOTING —...
  • Page 16 H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L C.
  • Page 17 H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L F.

  • Page 18: Heater Ignites, And Flame Is Established, However, Flame Control Trips, And Heater Shuts Off

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L TROUBLESHOOTING —...
  • Page 19 H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L Standard Flame Control 9.
  • Page 20 H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L D.

  • Page 21: Heater Does Not Start. Motor And Transformer Do Not Operate

    H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L TROUBLESHOOTING —...

  • Page 22: Carbon Build-Up Inside Combustion Chamber

    Using heater at altitudes higher than 80 degree, type A, hollow-spray-pattern 3,000 feet above sea level results in an nozzle (DESA part number M22626). unbalance in the air/fuel mixture. Air is less 4. Check pump pressure. For 350,000 BTU/ dense at higher altitudes.

  • Page 23: Section 6 - Accessories And Service Information

    Parts Central (listed in the separate Authorized Service Center Parts Under Warranty booklet) or call DESA International’s Parts Contact authorized dealers of this product. If Department at (502) 781-9600. You can also they cannot supply original replacement...
  • Page 24 H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L DESA...

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