Master BJA70B Owner's Manual
  1. Manuals
  2. Brands
  3. Master Manuals
  4. Heater
  5. BJA70B
  6. Owner's manual

Master BJA70B Owner's Manual

Portable forced air heaters
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
PORTABLE
AIR HEATERS
OWNER'S MANUAL
BJA70B
BJB70B
BJA100C
BJB100C
B J 1 5 0
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.
FORCED
IMPORTANT
®

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the BJA70B and is the answer not in the manual?

Questions and answers

Related Manuals for Master BJA70B

Summary of Contents for Master BJA70B

  • Page 1 ® PORTABLE FORCED AIR HEATERS OWNER’S MANUAL BJA70B BJB70B BJA100C BJB100C B J 1 5 0 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

    Troubleshooting ................9 Service Procedures ................ 10 Upper Shell Removal .............. 10 Fuel Filter (BJA70B and BJB70B) ......... 10 Fuel Filter (BJA100C, BJB100C, and BJ150) ......11 Spark Plug ................11 Air Output, Air Intake, and Lint Filters ........12 Pump Pressure Adjustment .............
  • Page 3 WARNINGS (Continued) SAFETY • Use only kerosene or No. 1 fuel oil to avoid risk of fire or explosion. Never use INFORMATION gasoline, naphtha, paint thinners, alcohol, or other highly flammable fuels. Continued • Fueling a) Personnel involved with fueling shall be qualified and thoroughly familiar with the manufacturer's instructions and applicable federal, state, and local regula- tions regarding the safe fueling of heating units.

  • Page 4: Product Identification

    Fuel Gauge End Cover Fuel Tank ON/OFF Switch Fuel Cap Side Cover Side Cover Flame-Out Control Power Cord Reset Button Figure 1 - BJA70B and BJB70B Hot Air Outlet Upper Shell Lower Shell Fuel Gauge Fan Guard Fuel Tank Fuel Cap...

  • Page 5: Unpacking

    1. Remove all packing items applied to heater for shipment. UNPACKING 2. Remove all items from carton. 3. Check items for any shipping damage. If heater is damaged, promptly inform dealer where you bought heater. These models are furnished with wheels and handles. Wheels, handles, and the ASSEMBLY mounting hardware are found in the shipping carton.

  • Page 6: Theory Of Operation

    The Fuel System: The air pump forces air through the air line. The air is then THEORY OF pushed through the burner head nozzle. This air causes fuel to lift from the tank. A OPERATION fine mist of fuel is sprayed into the combustion chamber. The Air System: The motor turns the fan.

  • Page 7: Ventilation

    If heater does not start, push in flame-out control reset button (see Figures 6 and 7). Flame-Out Control Flame- Reset Button Control Reset Button Figure 6 - Flame-Out Control Reset Figure 7 - Flame-Out Control Reset Button (BJA70B and BJB70B) Button (BJA100C, BJB100C, and BJ150) Continued 102331...

  • Page 8: Storing, Transporting, Or Shipping

    OPERATION To Stop Heater 1. Unplug power cord from outlet. Continued To Restart Heater 1. Wait 2 minutes after stopping heater. 2. Repeat steps under To Start Heater, page 7. Note: If shipping, transport companies require fuel tanks to be empty. STORING, 1.

  • Page 9: Troubleshooting

    TROUBLE- WARNING SHOOTING Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. OBSERVED FAULT POSSIBLE CAUSE REMEDY Wrong pump pressure See Pump Pressure Heater ignites, but flame-out control Adjustment, page 12. shuts off heater after Dirty air output, air intake, See Air Output, Air Intake...

  • Page 10: Service Procedures

    These screws attach upper and lower shells together. 2. Lift upper shell off. 3. Remove fan guard. Figure 8 - Upper Shell Removal (BJA70B and BJB70B) Upper Shell Guard Figure 9 - Upper Shell Removal (BJA100C, BJB100C, and BJ150)

  • Page 11: Fuel Filter (Bja100C, Bjb100C, And Bj150)

    13/16" open-end wrench. 5. Clean and regap spark plug Spark electrodes as follows: Plug BJA70B and BJB70B: .055" (1.4 mm) gap, BJA100C and BJB100C: .075" (1.9 mm) gap, BJ150: .085" (2.2 mm) gap. 6. Install spark plug in burner Figure 12 - Spark Plug Removal head.

  • Page 12: Air Output, Air Intake, And Lint Filters

    5. Wash or replace air intake Filter filter (see Preventative Maintenance Schedule, Figure 14 - Air Output, Air Intake, and Lint Filters (BJA70B and BJB70B) page 8). 6. Replace filter end cover. Air Intake Filter 7. Replace fan guard and upper shell.

  • Page 13: Nozzle

    Nozzle 1. Remove upper shell (see Combustion page 10). Chamber 2. Remove fan (see page 15). 3. Remove fuel and air line hoses from burner head. 4. Remove spark plug wire Spark Plug Wire and Rubber Cup from spark plug. Burner Head 5.

  • Page 14: Pump Rotor

    Rotor 4. Remove pump plate screws using 5/16" nut- Air Output driver. Filter 5. Remove pump plate. Figure 20 - Rotor Location (BJA70B and BJB70B) 6. Remove rotor, insert, and blades. Pump Blade 7. Check for debris in pump. Plate...

  • Page 15: Fan

    Tighten setscrew firmly (40-50 inch-pounds/ Motor 4.5-5.6 n-m). Shaft 8. Replace fan guard and upper shell. Setscrew Figure 25 - Fan Cross Section SPECIFICATIONS BJB70B BJA70B BJB100C BJA100C BJ150 Heat Output (Kcal/hr) 16,500 16,500 22,000 24,000 38,000 Fuel Consumption...

  • Page 16: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN BJA70B and BJB70B 10-1 10-2 10-3 10-4 10-7 10-5 10-6 Burner Head Assembly 18-1 18-2 18-3 18-4 18-5 18-6 18-7 18-18 18-8 18-17 18-9 18-16 18-10 18-15 18-14 18-11 Motor and Pump Assembly 18-13 18-12 102331...
  • Page 17 Screw, #10-32 x 1" 102415-01 Wiring Decal 18-10 M8940 Steel Ball (1/4" Dia.) M51295-06 Tradename Decal 18-11 M10993-1 Pressure Relief Spring 097208-27 Nameplate Decal (BJA70B) 1 18-12 M27694 Adjusting Screw 097208-28 Nameplate Decal (BJB70B) 1 18-13 M22997 Plug 098070-01 Warning Decal 18-14 M29612-01...

  • Page 18: Bja100C And Bjb100C

    ILLUSTRATED PARTS BREAKDOWN BJA100C and BJB100C Burner Head Assembly 13-1 13-3 13-2 13-4 49 48 13-5 13-6 13-7 13-18 13-8 13-17 13-9 13-16 13-10 13-15 13-14 13-11 13-13 13-12 Motor and Pump Assembly 102331...
  • Page 19 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), BJA100C and BJB100C then the part number and description of the desired part. PART PART PART...

  • Page 20: Bj150

    ILLUSTRATED PARTS BREAKDOWN BJ150 Burner Head Assembly 10-1 10-2 10-3 10-4 10-5 48 43 10-6 10-7 10-18 10-8 10-17 10-9 10-16 10-10 10-15 10-14 10-11 10-13 10-12 Motor and Pump Assembly 102331...
  • Page 21 PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), then BJ150 the part number and description of the desired part. PART PART QTY.

  • Page 22: Wheels And Handles

    Wheel Support Frame — — M12831-3 Wheel Support Frame — — NTC-3C Hex Nut, #10-24 097896-03 Wheel M28526 Cap Nut M51015-04 Axle — — M51015-01 Axle — — M16801-2 Axle — — BJA70B and BJB70B BJA100C, BJB100C, and BJ150 102331...

  • Page 23: Wiring Diagram

    White Blue Blue Photo- Ignitor Board cell Control Spark Plug Reset Button Black Relay Figure 26 - Wiring Diagram (BJA70B, BJB70B, BJA100C, and BJB100C) Power Plug Green Plug White Black Black Power On Switch Receptacle White Black White Green/ Motor...
  • Page 24 102331-01 Rev. B Printed in U.S.A. 09/95 102331...

This manual is also suitable for:

Bjb70bBja100cBjb100cBj150

Table of Contents