Blue Seal G50 Service Manual
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Blue Seal G50 Service Manual

G50 / g50-8 gas range
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G50 / G50-8 GAS RANGE
SERVICE MANUAL
Revision 3/F3601
-1-

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Summary of Contents for Blue Seal G50

  • Page 1 G50 / G50-8 GAS RANGE SERVICE MANUAL Revision 3/F3601...
  • Page 2 WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. Revision 3/F3601...

  • Page 3: Table Of Contents

    CONTENTS This manual is designed to take a more in depth look at the G50 gas ranges for the purpose of making the units more understandable to service people. There are settings explained in this manual that should never require to be adjusted, but for completeness and those special cases where these settings are required to change, this manual gives a full explanation as to how, and what effects will result.
  • Page 4 Revision 3/F3601...

  • Page 5: Specifications

    1. SPECIFICATIONS MODEL: G50 G50 A G50 B G50 D G50 C LEGEND - Gas connection entry point - ¾” BSP male Dimensions shown in millimetres. Revision 3/F3601...
  • Page 6 MODEL: G50-8 G50-8 A G50-8 B G50-8 C G50-8 D LEGEND - Gas connection entry point - ¾” BSP male Dimensions shown in millimetres. Revision 3/F3601...
  • Page 7 Width 665 mm Back 25 mm 25 mm Depth 660 mm CATEGORY HEAT INPUT Input Gas Rate G50 D 36.0 kW 3.45 m³/h 2.54 m³/h G50 C 31.5 kW 3.02 m³/h 2.22 m³/h G50 B 27.0 kW 2.59 m³/h 1.89 m³/h G50 A 22.5 kW...

  • Page 8: Installation

    2. INSTALLATION WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. On Propane gas the pressure is controlled by It is important that this oven is installed the supply pressure. correctly, and that the operation is correct before handing over to the user.
  • Page 9 Operate the oven for about one hour to remove any fumes or odours which may be present. 2.4 RATING PLATE LOCATION The rating plate for G50 ranges is located to the left of the control panel. Rating plate Figure 2.1...

  • Page 10: Operation

    3. OPERATION NOTE: A full user’s operation manual is supplied with the product and can be used for further referencing of installation, operation and service. 3.1 OPERATION 3.1.1 HOB OPEN BURNERS 3.1.3 OVEN Flame Failure Protection is incorporated by 1) Open oven doors. Push in thermostat way of a thermo-electric system for each knob and rotate anti-clockwise to the...

  • Page 11: Explanation Of Control System

    Inside the body of the gas valve is an 3.2 EXPLANATION OF CONTROL electromagnet connected to a spring loaded SYSTEM plunger. When electromagnet energized, it holds the plunger in, allowing gas SAFETY SYSTEM to flow through the valve. When the The purpose of the safety system is to shut off electromagnet the flow of gas if the flame goes out.

  • Page 12: Maintenance

    4. MAINTENANCE 4.1 CLEANING 4.2 ROUTINE PROCEDURES EXTERIOR It is recommended that a service check is conducted every six months. Clean with detergent. Baked on deposits or discoloration may require a good quality 1) Visual check of the pilot and main burners, stainless steel cleaner or stainless steel wool.

  • Page 13: Trouble Shooting Guide

    5. TROUBLE SHOOTING WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. 5.1 HOB Open Burners FAULT POSSIBLE CAUSE REMEDY MAIN BURNERS WILL NOT Wrong size or blocked injectors. Replace / clean injectors. LIGHT (Refer service section 6.3.2) Obstruction in burner.
  • Page 14 Griddle Burners FAULT POSSIBLE CAUSE REMEDY PILOT BURNER WILL NOT No gas supply. Ensure gas supply is connected LIGHT and on (bottles not empty). Gas pressure too low. Check gas supply pressure. (Refer specifications section) Blocked pilot injector. Clean or replace pilot injector. (Refer service section 6.3.8) Knob on gas control won’t go Remove obstruction / correct...

  • Page 15: Oven

    5.2 OVEN FAULT POSSIBLE CAUSE REMEDY PIEZO IGNITOR NOT Short in high tension lead. Replace lead. SPARKING (Refer fault diagnosis 6.1.3) (Refer service section 6.4.1) Piezo faulty. Replace piezo. (Refer fault diagnosis 6.1.3) (Refer service section 6.4.2) PILOT WON’T LIGHT Knob on gas control won’t go Remove obstruction.
  • Page 16 FAULT POSSIBLE CAUSE REMEDY MAIN BURNERS WILL NOT Wrong size or blocked injectors. Replace / clean injectors. LIGHT (Refer service section 6.4.6) Small pilot flame. Correct fault. (Refer fault:Small Pilot Flame) Faulty gas control. Replace gas control. (Refer service section 6.4.4) Incorrect supply pressure.

  • Page 17: Service Procedures

    6. SERVICE PROCEDURES WARNING: ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY. SECTION PAGE NO. FAULT DIAGNOSIS ......................19 6.1.1 Hob Burner Goes Out When Knob Released............19 6.1.2 Pilot Goes Out When Control Knob Released.............19 6.1.3 Piezo Ignitor Not Sparking...................19 ACCESS ..........................20...
  • Page 18 ADJUSTMENT / CALIBRATION ..................27 6.5.1 Burner 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: Fault Diagnosis

    top 5mm of the thermocouple tip. 6.1 FAULT DIAGNOSIS NOTE: The thermocouple should not touch the burner. 6.1.1 HOB BURNER GOES OUT WHEN Check thermocouple connection KNOB RELEASED control is firm (loose connections will cause resistance in millivolt circuit and result in pilot Thermocouple faulty outage).

  • Page 20: Access

    6.2 ACCESS 6.2.4 RH SIDE PANEL 6.2.1 HOB CONTROL PANEL 1) Remove two screws at rear of oven. 1) Remove all gas control knobs by pulling away from the control panel. 2) Remove the two screws securing the control panel to the hob. 3) Remove the control panel.

  • Page 21: Replacement - Hob

    4) Unscrew the thermocouple from the gas 6.3 REPLACEMENT - HOB control. 6.3.1 OPEN BURNER 1) Remove pot-stand/trivet and pot-stand spider from above burner to be replaced. 2) Remove burner cap. Thermocouple 3) Lift the burner out of the unit, and replace. 6.3.2 OPEN BURNER INJECTOR Figure 6.3.4 1) Remove main open burner (refer 6.3.1).

  • Page 22: Griddle Burner

    6.3.5 GRIDDLE BURNER 6.3.7 GRIDDLE BURNER PILOT 1) Remove griddle plate. 1) Remove griddle burner (refer 6.3.5). 2) Unscrew the " screw at rear of burner. 2) Remove heat shield (refer figure 6.3.6). 3) Unscrew the pilot supply tube, piezo electrode, and thermocouple from pilot "...

  • Page 23: Griddle Burner Pilot Thermocouple

    6.3.9 GRIDDLE BURNER PILOT THERMOCOUPLE 1) Remove griddle burner (refer 6.3.5). 2) Remove heat shield (refer figure 6.3.6). 3) Unscrew the pilot thermocouple from the Piezo pilot burner assembly. Figure 6.3.13 3) Remove H.T. lead from piezo ignitor. 4) Replace and reassemble in reverse order. Pilot thermocouple 6.3.11 GRIDDLE BURNER H.T.

  • Page 24: Gas Magnet

    8) Using 19 mm spanner, undo compression 6.4 REPLACEMENT- OVEN nut securing gas control to manifold assembly. 6.4.1 OVEN H.T. LEAD Pilot supply 1) Open oven control panel (refer 6.2.2). 2) Gain access to the oven burner (refer 6.2.3). Compression 3) Remove the piezo H.T.

  • Page 25: Oven Gas Control

    Ignitor nut Three screws Figure 6.4.6 5) Remove gas control from control cavity. Figure 6.4.3 6) Replace and reassemble in reverse order. 3) Replace ignitor and reassemble in reverse 7) Set valve up according to sections 6.5.4- order. 6.5.6. 8) Check oven for correct operation. 6.4.4 OVEN GAS CONTROL 6.4.5 OVEN BURNER 1) Open oven control panel (refer 6.2.2) and...

  • Page 26: Oven Pilot Burner

    6.4.7 OVEN PILOT BURNER 6.4.9 OVEN THERMOCOUPLE 1) Gain access to the oven burner (refer 1) Gain access to the oven burner (refer 6.2.3). 6.2.3). 2) Disconnect pilot supply tube, 2) Undo the thermocouple from the pilot thermocouple and piezo H.T. lead from burner.

  • Page 27: Door Hinge

    6.5 ADJUSTMENT 6.4.10 DOOR HINGE 1) Open oven door. 6.5.1 BURNER AERATION 2) Undo three screws securing hinge to oven body, and three screws securing hinge to The open top, griddle and oven burners can all be adjusted to give the most efficient flame. door.

  • Page 28: Hob Low Fire Adjustment

    Burner pressure Spindle test point Figure 6.5.4 4) Apply a suitable high temperature gas cock grease or lubricant such as ROCOL - A.S.P (Anti scuffing paste) / Dry Moly Paste to the outside of the spindle. 5) Replace spindle and re-assemble gas control in reverse order.

  • Page 29: Oven Pilot Adjustment

    6.5.7 OVEN THERMOSTAT CALIBRATION NOTE: As the thermostat control has special Burner pressure fasteners, a Torx T20 security tip or test point screwdriver is required. These are readily available from a tool retailer. 1) Place accurate thermometer thermocouple in the centre of the oven. 2) Light burner and set the thermostat knob to gas mark 4.

  • Page 30: Door Ball Catch Setting

    10) Replace Torx head screw and release 6.5.9 DOOR ALIGNMENT knob. A small amount of adjustment can be made to 11) Test oven temperature, and re-adjust if the alignment of the oven doors in order to required. ensure a good seal. 12) Push snap cap back into position on knob.

  • Page 31: Spare Parts

    7. SPARE PARTS PART NO DESCRIPTION Open Burners 004573 Burner Front 004574 Burner Rear 004618 Burner Cap 037190 Injector (Natural) Ø 1.90 mm 037110 Injector (Propane) Ø 1.10 mm 019430 Gas Control 019428 Thermocouple - Front M9 x 320 mm UNIFIED 019429 Thermocouple - Rear M9 x 850 mm UNIFIED 019371...

  • Page 32: Parts Diagram

    8. PARTS DIAGRAM MAIN ASSEMBLY G50C ILLUSTATED Revision 3/F3601 -32-...
  • Page 33 GRIDDLE BURNER 019431 GRIDDLE REFLECTOR 014106 GRIDDLE BURNER BRACKET 012862 SPLASHBACK - G50 012863 SPLASHBACK - G50-8 012849 HOB BACK PANEL - G50 012850 HOB BACK PANEL - G50-8 016659 POT STAND SPIDER 004125 POT STAND 004618 BURNER CAP 004079...
  • Page 34 012776 CASTOR ASSEMBLY 015652 CASTOR YOKE 011046 WHEEL - 75mm 014854 WHEEL PIN 014873 LEG TUBE - ADJUSTABLE 014872 ADJUSTABLE LEG ASSEMBLY (37 & 38 ASSEMBLED) 010990 ADJUSTABLE FOOT 012233 VENT 004259 OVEN 013247 SPACER PANEL 004612 OVEN CONTROL PANEL 004156 OVEN TRAY 011186...

  • Page 35: Gas Piping Assembly

    9.2.2 GAS PIPING ASSEMBLY (UK only) GAS PIPING ASSEMBLY G50C ILLUSTRATED 15 16 31 23 24 OVEN PILOT DETAIL - VIEWED FROM REAR G50-UK GAS PIPING ASSEMBLY G50C ILLUSTRATED Revision 3/F3601 -35-...
  • Page 36 " x " (TO S/N 224659) – NOT ILLUSTRATED 011002 CONE NUT (TO S/N 224659) – NOT ILLUSTRATED 011827 MACK UNION - " 004695 MANIFOLD G50 A 004696 MANIFOLD G50 B 004697 MANIFOLD G50 C 004698 MANIFOLD G50 D 004699...
  • Page 37 032150 OVEN INJECTOR Ø1.50mm - PROPANE GAS 032230 OVEN INJECTOR Ø2.30mm - NATURAL GAS 012254 INJECTOR SUPPORT BRACKET 011310 OVEN BURNER 018691K OVEN PILOT BURNER KIT (INCLUDES ITEMS 44,45,47,48,49) 019217 OVEN PILOT INJECTOR Ø0.23mm - PROPANE GAS (INCLUDED AS PART OF ITEM 43) 018693 OVEN PILOT INJECTOR Ø0.32mm - NATURAL GAS (INCLUDED AS PART OF ITEM 43)

  • Page 38: Service Contacts

    9. SERVICE CONTACTS AUSTRALIA VICTORIA - MOFFAT PTY HEAD OFFICE AND MAIN WAREHOUSE 740 Springvale Road Tel (03) 9518 3888 Mulgrave VIC 3170 Fax (03) 9518 3838 Spare Parts Department Free Call 1800 337 963 Fax (03) 9518 3895 NEW SOUTH WALES - MOFFAT PTY Unit 8/142 James Ruse Drive Rosehill NSW 2142 Spare Parts...
  • Page 39 UNITED KINGDOM BLUESEAL LTD Units 6-7 Mount St Tel 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) Revision 3/F3601 -39-...

This manual is also suitable for:

G50-8

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