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Revision 3/F3601

SERVICE MANUAL

G50 / G50-8 GAS RANGE

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Summary of Contents for Evolution G508

Page 1: ... 1 Revision 3 F3601 SERVICE MANUAL G50 G50 8 GAS RANGE ...

Page 2: ... 2 Revision 3 F3601 WARNING ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY ...

Page 3: ... required to change this manual gives a full explanation as to how and what effects will result SECTION PAGE NO 1 SPECIFICATIONS 5 2 INSTALLATION 8 3 OPERATION 10 3 1 Operation 3 2 Explanation of Control System 4 MAINTENANCE 12 5 TROUBLE SHOOTING GUIDE 13 5 1 Hob 5 2 Oven 6 SERVICE PROCEDURES 17 6 1 Fault Diagnosis 6 2 Access 6 3 Replacement 6 4 Adjustment Calibration 7 SPARE PARTS 31 8 PARTS DIAG...

Page 4: ... 4 Revision 3 F3601 ...

Page 5: ... 5 Revision 3 F3601 1 SPECIFICATIONS Dimensions shown in millimetres LEGEND Gas connection entry point BSP male G50 A G50 B G50 C G50 D MODEL G50 ...

Page 6: ... 6 Revision 3 F3601 Dimensions shown in millimetres LEGEND Gas connection entry point BSP male MODEL G50 8 G50 8 A G50 8 C G50 8 B G50 8 D ...

Page 7: ... 5 kW 3 12 m h 2 29 m h GAS PRESSURE Natural 10 mbar 4 0 w g Propane 37 mbar 14 8 w g GAS CONNECTION SPECIFICATIONS R BSP male INJECTOR SIZES Natural G20 Propane G31 Open Burners Main Ø1 90 mm Ø1 10 mm Pilot Ø0 32 mm Ø0 20 mm Griddle Main Ø2 10 mm Ø1 20 mm Pilot Ø0 32 mm Ø0 20 mm Oven Main Ø2 80 mm Ø1 50 mm Pilot Ø0 32 mm Ø0 20 mm INDIVIDUAL FEATURES Spillage tray Vitreous enamelled 20 gauge trays...

Page 8: ...0 WG Propane G31 3 7kPa 37 mbar 14 8 WG The pressure test point for measurement of correct appliance operating pressure is located at the hob left front corner 2 INSTALLATION On Propane gas the pressure is controlled by the supply pressure On Natural gas the pressure is controlled by the appliance s regulator which can be adjusted to obtain correct operating pressure 2 2 ASSEMBLY 1 Tilt the oven o...

Page 9: ...ONING Before leaving the new installation check that the gas pressures are correct refer to the specifications section Then check operation of the unit as detailed in the operation section NOTE If for some reason it is not possible to get the appliance to function correctly contact the supplier Shut off the gas supply before any maintenance work is done on the appliance Operate the oven for about ...

Page 10: ...of a thermo electric system for each burner which will shut off the gas supply to that burner in the event that the burner goes out so that raw gas is not expelled 1 Select the burner depress and turn the corresponding knob anti clockwise to full position 2 With control knob depressed light burner 3 Release knob approximately 10 20 seconds after lighting burner 4 Burner should stay alight if not r...

Page 11: ...ical voltage is produced This type of thermocouple generates between 7 and 30 millivolts when heated in the pilot flame Figure 3 1 3 2 EXPLANATION OF CONTROL SYSTEM Insulator Nut Conductor Tip Internal Wire position stopping the flow of gas Millivolts are provided to the electromagnet by the thermocouple not shown which generates millivolts when heated The thermocouple screws into a fitting at the...

Page 12: ... Don t wait until they cause a complete breakdown It is recommended that a service check is conducted every 6 months NOTE The gas supply must be OFF during cleaning or maintenance 4 1 CLEANING It is recommended that a service check is conducted every six months 1 Visual check of the pilot and main burners to see if correct size flame and colour on main burner 2 Check the gas pressure with a manome...

Page 13: ...trol Refer service section 6 3 4 MAIN BURNER GOES OUT WHEN KNOB RELEASED Releasing knob before the thermocouple is heated Thermocouple faulty Refer fault diagnosis 6 1 1 Gas magnet faulty Refer fault diagnosis 6 1 1 Hold control in for longer 30 s see if pilot will stay lit Replace thermocouple Refer service section 6 3 3 Replace gas magnet Refer service section 6 3 13 NO LOW FIRE Incorrect supply...

Page 14: ...as magnet faulty Refer fault diagnosis 6 1 2 Hold control in for longer 30 s see if pilot will stay lit Correct fault Replace thermocouple Refer service section 6 3 9 Replace gas magnet Refer service section 6 3 13 GRIDDLE BURNER WILL NOT LIGHT Wrong size or blocked injectors Obstruction in burner Incorrect supply pressure Faulty gas control Replace clean injector Refer service section 6 3 6 Clean...

Page 15: ...ection 6 5 6 Clean pilot spud Refer service section 6 4 8 PILOT GOES OUT WHEN KNOB RELEASED Releasing knob before the thermocouple heated Pilot flame too small Refer fault Pilot Flame Small Thermocouple faulty Refer fault diagnosis 6 1 2 Hold control in for longer 30 s see if pilot will stay lit Correct fault Replace thermocouple Refer service section 6 4 9 PILOT FLAME YELLOW LAZY Gas pressure inc...

Page 16: ...supply pressure Adjust burner aeration slide Refer service section 6 5 1 Check injector sizes and replace if necessary Refer service section 6 4 6 Replace burner Refer service section 6 4 5 SET TEMPERATURE NOT REACHED Gas supply fluctuating Gas control faulty Thermostat out of calibration Check supply correct pressure Replace gas control Refer service section 6 4 4 Recalibrate thermostat Refer ser...

Page 17: ...uple 21 6 3 4 Open Burner Gas Control 21 6 3 5 Griddle Burner 22 6 3 6 Griddle Burner Injector 22 6 3 7 Griddle Burner Pilot 22 6 3 8 Griddle Burner Pilot Injector 22 6 3 9 Griddle Burner Pilot Thermocouple 23 6 3 10 Griddle Burner Piezo Ignitor 23 6 3 11 Griddle Burner H T Lead 23 6 3 12 Griddle Burner Gas Control 23 6 3 13 Gas Magnet 24 6 4 REPLACEMENT OVEN 24 6 4 1 Oven H T Lead 24 6 4 2 Oven P...

Page 18: ...Aeration 27 6 5 2 Re greasing Gas Control 27 6 5 3 Hob Low Fire Adjustment 28 6 5 4 Oven High Fire Adjustment 28 6 5 5 Oven Low Fire Adjustment 28 6 5 6 Oven Pilot Adjustment 29 6 5 7 Thermostat Calibration 29 6 5 8 Door Ball Catch Setting 30 6 5 9 Door Alignment 30 ...

Page 19: ...circuit and result in flame outage If connection is OK then disconnect the thermocouple from the gas control light the burner and whilst holding the control knob in measure voltage between the thermocouple and earth e g the body of the gas control This should read approximately 30mV If this reading is less than 10mV then the thermocouple is faulty replace Gas magnet faulty If thermocouple milli vo...

Page 20: ...TROL PANEL 1 Remove the one screw at the top centre of the control panel 2 The control panel will now hinge along bottom edge One screw Figure 6 2 2 6 2 3 OVEN BURNER 1 Open oven doors 2 Remove all racks and trays from inside oven 3 Remove enamelled tray from bottom of oven 4 Remove flame baffle from oven one screw 6 2 4 RH SIDE PANEL 1 Remove two screws at rear of oven Figure 6 2 3 Figure 6 2 4 2...

Page 21: ...w the thermocouple from the thermocouple bracket 6 3 2 OPEN BURNER INJECTOR Figure 6 3 3 Thermocouple 1 Remove fat collection trays 2 Remove control panel refer 6 2 1 3 Remove open burner refer 6 3 1 4 Disconnect thermocouple from the gas control 6 3 4 OPEN BURNER GAS CONTROL 5 Using 19 mm spanner undo compression nut securing gas control to manifold assembly Figure 6 3 5 6 Replace and re assemble...

Page 22: ...ove griddle burner refer 6 3 5 2 Remove heat shield refer figure 6 3 6 3 Unscrew the pilot supply tube piezo electrode and thermocouple from pilot assembly Figure 6 3 9 4 Clean or replace as necessary and reassemble in reverse order Figure 6 3 11 4 Undo two screws securing pilot burner bracket to griddle reflector Figure 6 3 10 5 Remove pilot burner from bracket two screws 6 Replace and reassemble...

Page 23: ...AS CONTROL ONCE THREADED UP TIGHTEN UP ANOTHER TURN ONLY DO NOT OVER TIGHTEN 6 3 11 GRIDDLE BURNER H T LEAD 3 Remove H T lead from piezo ignitor 4 Replace and reassemble in reverse order Figure 6 3 13 Piezo nut 1 Remove control panel refer 6 2 1 2 Remove H T lead from piezo ignitor and pilot electrode Pilot electrode Figure 6 3 14 3 Replace lead and reassemble in reverse order 1 Remove fat collect...

Page 24: ...g the piezo electrode to the pilot assembly and remove electrode 4 Replace and reassemble in reverse order Figure 6 4 1 Figure 6 4 2 4 Replace H T lead and re assemble in reverse order 6 4 REPLACEMENT OVEN Electrode nut 8 Using 19 mm spanner undo compression nut securing gas control to manifold assembly 9 Replace and reassemble in reverse order Check for gas leaks with soapy water Figure 6 3 15 Pi...

Page 25: ...screw the burner injector 3 Replace ignitor and reassemble in reverse order Figure 6 4 3 Figure 6 4 4 3 Remove thermostat phial from bracket inside oven and pass phial through wall of oven 4 Undo three screws and nuts securing gas control to bracket Figure 6 4 5 Pilot supply Thermocouple Burner supply Main gas supply 3 Replace the burner and reassemble in reverse order Figure 6 4 7 Figure 6 4 8 3 ...

Page 26: ...ot supply 3 Undo the two screws securing the pilot burner bracket to the bottom of the oven 4 Undo the two screws securing the pilot burner to the bracket 5 Replace the pilot burner and reassemble in reverse order Figure 6 4 10 3 Extract the pilot injector from the burner and clean or replace as required Figure 6 4 11 Pilot supply Figure 6 4 12 Thermocouple 3 Remove right hand side panel refer 6 2...

Page 27: ... Loosen the aeration slide screw Figure 6 5 1 2 Adjust the aeration slide as required The most efficient flame is clear blue green in colour Aeration slide screw Open burners Figure 6 5 2 Aeration slide screw Oven burner 6 4 10 DOOR HINGE 1 Open oven door 2 Undo three screws securing hinge to oven body and three screws securing hinge to door Figure 6 4 14 Door hinge 3 Replace hinge and reassemble ...

Page 28: ...te adjuster screw located on underside of gas control NOTE Do not unscrew more than two turns Burner pressure test point Figure 6 5 6 Maximum flow adjustment screw Figure 6 5 7 NOTE The minimum flow setting is important to ensure good temperature control of the oven The minimum flow setting on the oven control is factory set and sealed It should not be necessary to adjust at any stage However if c...

Page 29: ...e centre of the oven 2 Light burner and set the thermostat knob to gas mark 4 3 Wait for the oven temperature to stabilise approximately 20 minutes Oven centre temperature should be 190 C 10 C NOTE Should a problem exist the following checks should be made before assuming the thermostatic control calibration is faulty a Check burner pressure b Check the MAXIMUM flow adjustment setting on control v...

Page 30: ...locknut Figure 6 5 12 Ball catch 6 5 9 DOOR ALIGNMENT A small amount of adjustment can be made to the alignment of the oven doors in order to ensure a good seal 1 Open the oven doors and loosen the screws securing the door hinges to the oven 2 Adjust the door position a small amount to ensure even sealing around the perimeter of the door As a guide a single sheet of paper should be able to be inse...

Page 31: ...9 Piezo Ignitor 018095 Piezo H T Lead 016385 Griddle 300mm 016386 Griddle 600mm 016387 Griddle 900mm Oven 012248 Oven Burner 018691K Oven Pilot Burner Kit 020253 Oven Thermocouple 032280 Oven Burner Injector Natural Ø 2 80 mm 032150 Oven Burner Injector Propane Ø 1 50 mm 018693 Pilot Orifice Natural Ø 0 32 mm 018692 Pilot Orifice Propane Ø 0 20 mm 019406K Thermostat Gas Control Kit 016320 Piezo Ig...

Page 32: ... 32 Revision 3 F3601 8 PARTS DIAGRAM 8 1 MAIN ASSEMBLY G50C ILLUSTATED ...

Page 33: ...HOB CONTROL PANEL G50 B 004609 HOB CONTROL PANEL G50 C 004608 HOB CONTROL PANEL G50 D 004626 HOB CONTROL PANEL G50 8A 004627 HOB CONTROL PANEL G50 8B 004628 HOB CONTROL PANEL G50 8C 004629 HOB CONTROL PANEL G50 8D 20 020119 PIEZO IGNITOR 018095 H T LEAD NOT ILLUSTRATED 21 019435 KNOB ASSEMBLY FRONT 019436 KNOB ASSEMBLY REAR 22 015045 SIDE PANEL R H G50 015046 SIDE PANEL R H G50 8 015047 COVER PANE...

Page 34: ... 42 004612 OVEN CONTROL PANEL 43 004156 OVEN TRAY 44 011186 FLAME BAFFLE 45 010377 OVEN RACK 46 014314 OVEN TRIM TOP 47 014356 OVEN TRIM R H 48 014355 OVEN TRIM L H 49 013248 HINGE PLATE 50 016406 BUTT HINGE 51 004334 DOOR INNER R H 52 004333 DOOR INNER L H 53 018138 HANDLE STIFFENER 54 011005 BALL LOCKNUT 55 018789 BALL CATCH PLATE 56 018081K HANDLE END CAP 57 018131 DOOR HANDLE 58 013243 DOOR OU...

Page 35: ...PIPING ASSEMBLY G50C ILLUSTRATED 51 OVEN PILOT DETAIL VIEWED FROM REAR 43 44 45 38 46 47 48 49 50 19 21 20 18 17 G50C ILLUSTRATED 36 G50 UK GAS PIPING ASSEMBLY 1 2 3 4 8 9 5 6 10 12 11 14 15 16 22 23 24 25 26 27 28 29 30 31 23 24 32 26 33 34 35 37 38 39 40 41 42 13 ...

Page 36: ...ECTRODE NUT INCLUDED AS PART OF ITEM 12 17 018739 OLIVE INCLUDED AS PART OF ITEM 12 18 018740 COMPRESSION NUT 1 4 INCLUDED AS PART OF ITEM 12 19 019262 GRIDDLE PILOT SUPPLY TUBE 20 017805 COMPRESSION NUT 21 017806 OLIVE 22 034120 GRIDDLE INJECTOR Ø1 20mm PROPANE GAS 034210 GRIDDLE INJECTOR Ø2 10mm NATURAL GAS 23 011740 BACKNUT 1 8 UP TO S N 246144 24 019335 ELBOW 1 8 x 1 4 ASSEMBLED AS PART OF ITE...

Page 37: ...S INCLUDED AS PART OF ITEM 43 018693 OVEN PILOT INJECTOR Ø0 32mm NATURAL GAS INCLUDED AS PART OF ITEM 43 45 018741 CLAMP NUT INCLUDED AS PART OF ITEM 43 46 019407 H T LEAD OVEN 47 018742 ELECTRODE NUT INCLUDED AS PART OF ITEM 43 48 018744 PILOT ELECTRODE INCLUDED AS PART OF ITEM 43 49 018740 COMPRESSION NUT INCLUDED AS PART OF ITEM 43 018739 OLIVE NOT ILLUSTRATED INCLUDED AS PART OF ITEM 43 50 019...

Page 38: ...Rd Tel 08 8274 2116 Wayville SA 5034 Spare Parts Free Call 1800 337 963 WESTERN AUSTRALIA MOFFAT PTY PO Box 689 Tel 08 9305 8855 Joondalup Business Centre WA 6027 Spare Parts Free Call 1800 337 963 NATIONAL COVERAGE FOR 24 HOUR SERVICE OR MAINTENANCE DIAL FREE CALL 1800 622 216 AUSTRALIA ONLY CANADA Lessard Agencies Limited Tel 416 766 2764 PO Box 97 Fax 416 760 0394 Stn D Free Call 1 888 537 7273...

Page 39: ...el 0121 327 5575 Business Park Fax 0121 327 9711 Birmingham B7 5QU England UNITED STATES OF AMERICA MOFFAT INC 3765 Champion Blvd Winston Salem Tel 1 800 551 8795 NC27115 Fax 336 661 9546 NATIONAL COVERAGE FOR SERVICE OR MAINTENANCE DIAL FREE CALL 1800 551 8795 USA ONLY ...

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