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BENSON LD7 1LP Parts List And Service Manual

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PORTABLE HEATER PARTS LIST AND SERVICE MANUAL
BENSON HEATING LTD

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Summary of Contents for BENSON LD7 1LP

  • Page 1 PORTABLE HEATER PARTS LIST AND SERVICE MANUAL BENSON HEATING LTD...

  • Page 4: Parts List

    PARTS LIST PAGE No 2...
  • Page 5 PARTS LIST Item No Parts Description No Off Part No Top cover outer casing 21-30-011 Flue Pipe assembly 21-30-057 Burner cover Pressure switch E8010810000100 Photocell E8010610000000 Allen screws - hexagon head E8040017320000 Burner assembly including base Electrode assembly E8020003000001 Blast tube E8000400100400 Blast tube mounting collar E8000100500101...
  • Page 6 PARTS LIST PAGE No 4...
  • Page 7 PARTS LIST Item No Parts Description No Off Part No Fuel pipes 28-08-009 Fuel Elbows 29-00-258 Fuel tank 21-30-071 Heater mounts 21-30-070 Frame 21-30-045 Spindle 21-30-067 Locking dome - wheel A30-01-030 Wheel A30-01-002 PAGE No 5...
  • Page 13 SERVICE MANUAL TO REPLACE THE FAN UNIT AND/OR CAPACITOR AND/OR TEMPERATURE CONTROL THERMOSTATS NOTE: FOR ALL SERVICE PROCEDURES EXCEPT PRESSURE TESTING THE HEATER MUST BE REMOVED FROM THE TRANSPORT CRADLE. REMOVE THE 4 PHILIPS HEAD SCREWS HOLDING THE HEATER TO THE CRADLE. 4 PHILIPS HEAD SCREWS FIG.
  • Page 14 SERVICE MANUAL 1:2 REMOVE THE FLUE COVER (FIG. 4) BY LIFTING OVER THE FLUE 1:3 REMOVE THE TOP COVER (FIG. 4), BY REMOVING THE 4 ALLEN SCREWS FIG. 4 1:4 TO REMOVE/REPLACE THE CAPACITOR, UNSCREW THE REMOVE ITS LOCATION NUT, AND WIRING RETAINING NUT FROM THE TERMINAL BLOCK.

  • Page 15: Table Of Contents

    SERVICE MANUAL 1:6 TIP THE HEATER ON ITS SIDE TO EXPOSE THE 2 LOWER FAN RETAINING SCREWS, AND REMOVE THE TWO SCREWS (FIG. 7) FIG. 7 1:7 PLACE THE HEATER IN ITS NORMAL POSITION AND REMOVE THE REMAINING 2 ALLEN SCREW (FIG. 8) FIG.

  • Page 16: Fig. 11

    SERVICE MANUAL TO REPLACE THE INJECTOR FOLLOW THE PROCEDURE FOR REMOVING THE FAN (1:1 TO 1:9) 2:1 ROTATE THE HEATER ON TO ITS SIDE AND REMOVE THE 4 ALLEN SCREW HOLDING THE BURNER TRAY ASSEMBLY INTO POSITION (FIG. 11). REMOVE 4 SCREWS FROM CASING UNDERSIDE FIG.

  • Page 17: Allen Screw (Fig. 8)

    SERVICE MANUAL 2:3 REMOVE THE 3 SCREWS HOLDING THE BLAST TUBE IN POSITION. (FIG. 14) BLAST RING INJECTOR 14MM NOTE: THE BURNER TRAY PRESSING IS & 3 LOCK RETAINING SPANNER SHOWN CUT AWAY FOR CLARITY SCREWS FLATS 2:4 REMOVE THE INJECTOR, USING A 16MM LOCK SPANNER AND A 14MM SPANNER.

  • Page 18: Allen Screws

    SERVICE MANUAL 2 ALLEN SCREWS TO REPLACE THE CONTROL BOX RETAINING FOLLOW STEPS FOR REMOVING THE CONTROL INJECTOR BOX ASSY TO BASE 5:1 TAKE OFF THE 2 ALLEN SCREWS HOLDING THE CONTROL BOX ASSY TO THE BASE (FIG. 5:2 REMOVE THE SINGLE SCREW RETAINING THE CONTROL BOX TO THE BASE MOULDING 5:3 REPLACE CONTROL BOX AND RE-ASSEMBLE...

  • Page 19: Down Procedure

    SERVICE MANUAL TO REPLACE THE PRESSURE SWITCH FOLLOW STEPS FOR REMOVING THE INJECTOR, BUT DO NOT REMOVE THE INJECTOR. 8:1 TO REMOVE THE PRESSURE SWITCH, REMOVE THE NEGATIVE AND POSITIVE PRESSURE TUBES FROM THE SWITCH - NOTING THAT THE POSITIVE TUBE GOES TO THE REAR INLET ON THE SWITCH (FIG.
  • Page 20 SERVICE MANUAL 10 TO REPLACE THE SOLENOID VALVE FOLLOW STEPS FOR REMOVING THE INJECTOR, BUT DO NOT REMOVE THE INJECTOR. 10:1 UNPLUG THE 3 WAY SOCKET FROM THE SOLENOID (FIG. 22, 23) 10:2 REMOVE THE FUEL INLET CONNECTOR UNIT 10:3 REMOVE THE SOLENOID RETAINING CIRCLIP 10:4 SLIDE THE SOLENOID OFF THE FUEL INLET 10:5 UNFASTEN THE BURNER NOZZLE FUEL INLET FROM THE SOLENOID VALVE USING A 10MM...
  • Page 21 SERVICE MANUAL 11 TO REPLACE THE FUEL PUMP 2 ALLEN SCREWS NOTE THIS IS A NON SERVICEABLE ITEM AND MUST BE REPLACED AS A UNIT FOLLOW STEPS FOR REMOVING THE SOLENOID AND VALVE 11:1 TO REMOVE THE FUEL PUMP, UNSCREW THE 2 ALLEN SCREWS FASTENING THE PUMP TO ITS MOUNTING BRACKET (FIG.
  • Page 22 SERVICE MANUAL 13 TO TEST FUEL PUMP PRESSURE NOTE: FOR THIS OPERATION THE HEATER MUST BE ON ITS CRADLE WITH THE FUEL LINES CONNECTED. 13:1 REMOVE BOTH REAR INNER AND OUTER BOTTOM PANELS. 13:2 UNSCREW AND REMOVE THE PRESSURE TESTING POINT BLANKING PLUG (FIG. 26) 13:3 CONNECT THE FUEL FEED PIPES 13:4 SCREW IN THE PRESSURE TESTING GAUGE 13:5 TO ADJUST THE PRESSURE UNLOCK THE...
  • Page 23 BENSON HEATING LTD LUDLOW ROAD KNIGHTON POWYS LD7 1LP TELEPHONE 01547 528534 FACIMILE 01547 520399 email information@bensonheating.co.uk www.bensonheating.com...