BENSON LD7 1LP Parts List And Service Manual Download Page 22

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PAGE No 15

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

LOCK NUT (A) AND ADJUST THE SCREW (B) IN
OR OUT TO ACHIEVE THE REQUIRED
PRESSURE. THE CORRECT PRESSURE 90
PSI.

13:6 WHEN THE PRESSURE IS CORRECTLY SET

RE -FIT ALL COMPONENTS

ADJUSTING
SCREW (B)

LOCK NUT
(A)

PRESSURE
GAUGE

FIG. 26

BLANKING
PLUG

SERVICE MANUAL

Summary of Contents for LD7 1LP

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

Page 2: ...2 SAFETY INFORMATION FOR HEATER OPERATION This equipment should only be used by a competent person who has read and understood the following instructions Do not use this equipment if you are ill feeli...

Page 3: ...re Diesel Max Fuel Throughput Sound Level D b a Electricity Supply Motorsize Start current Run current Weight FuelType Tank Capacity 11 Kw 37 500Btu 7mtrs 0 202m3 s 14mtrs 0 185 m 7mtrs 40 C 14mtrs 30...

Page 4: ...PAGE No 2 PARTS LIST 1 2 3 4 1A 13 14 15 16 5 6 7 8 9 10 11 19 17 17A 18 20 21 22 23 24 25 26 27 12 28 29 30 31 32 31A 33 35 36 34 37 38 39 40 41 42 43 43A 44 45 30...

Page 5: ...ge 1 20 Elbow 3 E8030010420100 21 Fuelpump 1 22 Quick release valve 1 E8030110430100 23 Ignitionunit 1 E8010203210000 24 Fan cover assembly 1 21 30 012 25 Control Box 1 E8010511003500 26 Fan and motor...

Page 6: ...PAGE No 4 PARTS LIST 5 6 8 7 3 4 4A 2 1...

Page 7: ...arts Description No Off Part No 1 Fuel pipes 2 28 08 009 2 Fuel Elbows 2 29 00 258 3 Fueltank 1 21 30 071 4 Heatermounts 2 21 30 070 5 Frame 1 21 30 045 6 Spindle 1 21 30 067 7 Locking dome wheel 2 A3...

Page 8: ...y a green Neon light on panel Heat position Operates the bumer control circuit to the control box Off position Breaks the bumer control circuit to the control box Vent position operates the fan only f...

Page 9: ...ause damage to the combustion chamber and lead to nuisance overheat lockout problems COMMISSIONING PROCEDURE 1 Ensure heater has fuel supply 2 Ensure thermostat is at desired ternperature 3 Connect el...

Page 10: ...supplied separately Clean soot or carbon deposits from diffuser end ring or electrode tips Clean and inspect electrodes for cracks replace if necessary Reset electrodes to dimensions shown in Burner...

Page 11: ...a Heater gone to overheat Reset overheat thermostat a Photocell not detecting light heck photocell operation Heater attempts to light up but b Faulty photocell connection heck wiring connection in con...

Page 12: ...NER RUN ORANGE L3 POWER ON GREEN V1 OIL VALVE P OILPUMP PH OIL PRE HEATER TS THERMOSTAT PT PHOTOCELL T IGNITION TRANSFORMER PA AIR PRESSURE SWITCH TSO OVERHEAT THERMOSTAT cJw RESET TSR RUN ON THERMOST...

Page 13: ...UNIT AND OR CAPACITOR AND OR TEMPERATURE CONTROL THERMOSTATS 1 1 BEFORE REMOVING THE HEATER FROM THE TRANSPORT CRADLE REMOVE THE LOWER REAR COVERS FIG 2 BY REMOVING THE 4 ALLEN SCREWS ON THE OUTER CO...

Page 14: ...E TERMINAL BLOCK REPLACE WITH A NEW UNIT AND CONNECT ALL WIRING AND REPLACE ALL COVERS UNSCREW THE RETAINING NUT AND WIRING FROM THE TERMINAL BLOCK FIG 6 1 5 TO REMOVE REPLACE THE THERMOSTATS REMOVE T...

Page 15: ...SSEMBLY FROM THE CASING AND THEN REMOVE THE FAN FROM THE REAR SLOTTED COVER BY REMOVING THE 4 ALLEN SCREWS 1 11REPLACE WITH A NEW UNIT 1 12RE ASSEMBLE BY REVERSING THE STRIP DOWN PROCEDURE NOTE WHEN R...

Page 16: ...NG ALLEN SCREWS HOLDING THE BURNER ON TO THE HEAT EXCHANGER FIG 12 2 TO REPLACE THE INJECTOR 2 3 REMOVE THE P CLIP FROM THE GUARD AND REMOVE THE CAPILARY TUBE FROM THE CASING FIG 13 AND CAREFULLY SLID...

Page 17: ...16 4 2 REMOVE THE 2 ALLEN SCREWS AND REPLACE WITH A NEW UNIT 3 TO REPLACE THE IGNITION ELECTRODES SERVICE MANUAL 2 3 REMOVE THE 3 SCREWS HOLDING THE BLAST TUBE IN POSITION FIG 14 NOTE THE BURNER TRAY...

Page 18: ...CEMENT REFIT ALL WIRES AND OTHER COMPONENTS 7 TO REPLACE THE POWER INPUT SOCKET FOLLOW STEPS FOR REMOVING CONTROL BOX 7 1 TO REMOVE THE POWER INPUT SOCKET NSCREW THE 3 POWER RING TERMINALS WIRES FROM...

Page 19: ...ES TO COMMON AND BLUE TO NORMALLY OPEN NO ON SWITCH 3 4 REPLACE ALL COMPONENTS REVERSING THE STRIP DOWN PROCEDURE 9 TO REPLACE THE SOLENOID FOLLOW STEPS FOR REMOVING THE INJECTOR BUT DO NOT REMOVE THE...

Page 20: ...P 10 4SLIDE THE SOLENOID OFF THE FUEL INLET 10 5UNFASTEN THE BURNER NOZZLE FUEL INLET FROM THE SOLENOID VALVE USING A 10MM AF OPEN ENDED SPANNER 10 6REMOVE THE SOLENOID VALVE USING A 12MM AF OPEN ENDE...

Page 21: ...24 2 ALLEN SCREWS MOUNTING BRACKET FUEL PUMP PRESSURE TESTING T SERVICE MANUAL FIG 24 FIG 25 12 TO REPLACE THE FUEL FILTER NOTE THE HEATER CAN REMAIN IN ITS TRANSPORT CRADLE FOR THIS OPERATION 12 1RE...

Page 22: ...HE PRESSURE TESTING POINT BLANKING PLUG FIG 26 13 3CONNECT THE FUEL FEED PIPES 13 4SCREW IN THE PRESSURE TESTING GAUGE 13 5TO ADJUST THE PRESSURE UNLOCK THE LOCK NUT A AND ADJUST THE SCREW B IN OR OUT...

Page 23: ...BENSON HEATING LTD LUDLOW ROAD KNIGHTON POWYS LD7 1LP TELEPHONE 01547 528534 FACIMILE 01547 520399 email information bensonheating co uk web www bensonheating com...