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Master Lock B350EAI Owner's Manual

High pressure portable forced air heater
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R
HIGH PRESSURE
PORTABLE
FORCED
AIR HEATER
OWNER'S MANUAL
350 SIDE
PFA/PV 008
Model B350EAI
IMPORTANT
Read and understand this manual before assembling, starting, or servicing
heater. Improper use of heater can cause serious injury. Keep this manual
for future reference.

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Summary of Contents for Master Lock B350EAI

  • Page 1 HIGH PRESSURE PORTABLE FORCED AIR HEATER OWNER’S MANUAL 350 SIDE PFA/PV 008 Model B350EAI IMPORTANT Read and understand this manual before assembling, starting, or servicing heater. Improper use of heater can cause serious injury. Keep this manual for future reference.

  • Page 2: Table Of Contents

    CONTENTS SECTION Safety Information ... 3 Product Identification ... 4 Unpacking ... 4 Assembly ... 4 Theory of Operation ... 6 Fuels ... 7 Ventilation ... 7 Operation ... 8 Storage ... 9 Preventative Maintenance Schedule ... 10 Troubleshooting ... 11 Service Procedures ...

  • Page 3: Safety Information

    SAFETY INFORMATION 099565 WARNINGS WARNING ICON G 001 IMPORTANT: Read this Owner’s Manual carefully and completely before trying to assemble, operate, or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, electrocution, and carbon monoxide poisoning.

  • Page 4: Product Identification

    Lower Shell Fuel Cap Thermostat Figure 1 - B350EAI BTU/Hr Model 1. Remove all protective packing applied to heater for shipment. 2. Remove heater from shipping container. 3. Check heater for any shipping damage. If heater is damaged, promptly inform dealer where you bought heater.
  • Page 5 ASSEMBLY Continued 099565 Front Handle Screw Hot Air Outlet Fuel Tank Flange Wheel Support Frame Wheel Cotter Flat Washer Figure 2 - Wheel and Handle Assembly Air Inlet Extended Axle Wheel Spacer Flat Washer Rear Handle...

  • Page 6: Theory Of Operation

    THEORY OF OPERATION Clean Heated Air Out The Fuel System: The motor turns the fuel pump. The fuel pump pulls fuel from the fuel tank. The fuel pump pushes fuel through a filter and a solenoid valve and out the burner head nozzle. A fine mist of fuel is sprayed into the combustion chamber. The Air System: The motor turns the fan.

  • Page 7: Fuels

    FUELS VENTILATION 099565 WARNING ICON G 001 Use only kerosene or No. 1 fuel oil to avoid risk of fire or explosion. Never use gasoline, naphtha, paint thinners, alcohol, or other highly flammable fuels. Do not use heavy fuels such as No. 2 fuel oil or No. 2 diesel. Using heavy fuels will result in: •...

  • Page 8: Operation

    OPERATION WARNING ICON G 001 Review and understand the warnings in the Safety Information Section. They are needed to safely operate this heater. To Start Heater 1. Follow all ventilation and safety information. 2. Fill fuel tank with kerosene or No. 1 fuel oil. 3.

  • Page 9: Storage

    OPERATION Continued STORAGE 099565 To Stop Heater WARNING ICON Never unplug heater while heater is running. Heater must go through purge cycle. The purge cycle cools the combustion chamber. Damage to heater can occur if combustion chamber is not cooled. Do not restart heater until purge cycle is complete. 1.

  • Page 10: Preventative Maintenance Schedule

    PREVENTATIVE MAINTENANCE SCHEDULE WARNING ICON Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Item How Often Fuel tank Flush every 150-200 hours of operation or as needed. Filler neck screen Check for trash when filling fuel tank.

  • Page 11: Troubleshooting

    TROUBLE- SHOOTING 099565 WARNING ICON G 001 Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Only a qualified service person should service and repair heater. OBSERVED POSSIBLE CAUSE PROBLEM Motor does not 1.
  • Page 12 TROUBLE- SHOOTING Continued OBSERVED POSSIBLE CAUSE PROBLEM Heater will not 1. A) Fuel tank empty ignite, but motor B) Water in fuel runs for a short C) Wrong fuel period of time. 2. Dirt in nozzle 3. Very low temperature may cause fuel to thicken and not flow 4.
  • Page 13 OBSERVED TROUBLE- PROBLEM SHOOTING Heater ignites, but Continued safety control shuts off heater after a short period of time. Heater burns, but puffs of smoke can be seen. Heater does not burn steady. Heater burns with odor. Heater smokes continuously. 099565 POSSIBLE CAUSE REMEDY...

  • Page 14: Service Procedures

    SERVICE PROCEDURES Upper Shell Removal 1. Remove screws along each side and top of heater using 5/ 16" nut-driver. These screws attach upper and lower shells together (see Figure 5). 2. Lift upper shell off. Fan Blades 1. Remove upper shell (see above).

  • Page 15: Spark Plug

    Spark Plug 1. Remove upper shell (see page 14). 2. Remove spark plug wire from spark plug (see Figure 7). 3. Remove spark plug from burner head using 13/16" open- end wrench (see Figure 7). 4. Replace spark plug if damaged or heavily coated with carbon.

  • Page 16: Pump Pressure Adjustment

    Pump Pressure Adjustment 1. Remove pressure gage plug from fuel pump port marked “GAGE.” 2. Install accessory pressure gage (part number M4574) to fuel pump port marked “GAGE” (see Figure 10). 3. Start heater (see Operation, page 8). Allow motor to reach full speed.

  • Page 17: Fuel Filters

    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.

  • Page 18: Specifications

    SPECIFICATIONS WIRING DIAGRAM ACCESSORY Output Rating (BTU/Hr) Fuel Fuel Tank Capacity (U.S. Gal./Liters) Fuel Consumption (Gal. Per Hr/Liter Per Hr) Electric Requirements Amperage (Normal Run) Motor RPM Fuel Pump Pressure (PSI) Spark Plug Gap Weight (approx. lbs./kilograms) Dry (net) With Full Fuel Tank Black Relay White...

  • Page 19: Illustrated Parts Breakdowns And Parts Lists

    PARTS LIST Burner Head Assembly PART NO. DESCRIPTION M10908-2 Screw, #6-32 x 3/8" 099229-01 Photocell bracket HA3012 Spark plug M51070-02 Nozzle M51170-01 Plug M50924-02 Burner head body 69246 Straight nipple M50077-02 Solenoid valve M50297 Compression elbow Motor and Pump Assembly REF.
  • Page 20 ILLUSTRATED PARTS BREAKDOWN 099565...
  • Page 21 PARTS LIST REF. PART NO. 099329-02 M11084-27 M50542-01 M30865-02 1000576 M16656-18 M50121-02 M50097-01AA M51336-02 M51160-01 M50278 M11084-26 079673-03 M50295 M50050 098641-07 M50061AB M11271-8 M11084-3 M50104-02 099509-03 M50115-01 M50062-03 097702-01 HA2210 HC4-18C M51043-01 M50062 098513-05 M50063 M18774 NTC-4C M50389 C5-10C WP-10C M50296 M27417 099566-01...
  • Page 22 NOTES _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ 099565...
  • Page 23 NOTES _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ ____________________________________________________________ 099565...

  • Page 24: Warranty And Repair Service

    WARRANTY AND REPAIR SERVICE EQUIPMENT - LIMITED 90 DAY WARRANTY DESA International warrants new Products sold by it to be free from defects in material or workmanship for a period of ninety days after date of delivery to the first user and subject to the following conditions: DESA International's obligation and liability under this Warranty is expressly limited to repairing or replacing at DESA...

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