WARNING – SERVICING TO BE CARRIED OUT ONLY BY AN AUTHORISED PERSONDisconnect from electricity and gas before servicing. Check appliance is safe when you have finished.31ABCArtNo.311-0010 InjectorsArt No 215-0028 - Handrail fascia fixingsFig. 8.1• A – Jet, B – Internal injector, C – External injectorArtNo.0102-0011 - Screwingthe control valve bypass screwFig. 8.2ArtNo.271-0011 - 90 Arleston 3BC - Removing the control panelMH GSS1554Check the ‘Technical Data’ section at the back of the bookthat the hob is convertible to the gas you want to use.A suitably competent person must perform the conversion.After conversion the installation must comply with therelevant regulations and also the local electricity supplycompany requirements. Read the instructions beforeconverting this appliance.nn Failure to convert the appliance correctly couldinvalidate any warranty or liability claims and leadto prosecution.nn When servicing or replacing gas-carryingcomponents disconnect from the gas supply beforestarting operation. Check the appliance is gas soundafter completion.nn DO NOT use reconditioned or unauthorised gascontrols.nn Disconnect from the electricity and gas supplybefore servicing.nn Before electrical reconnection, check that theappliance is electrically safe.InjectorsRemove the burner caps and heads. Remove the old jets(Fig. 8.1). Fit the new jets (see ‘Technical Data’ section at theback of this book for the correct jets). Reassemble in thereverse order.Tap AdjustmentRemoving the Handrail (some models)Remove the handrail. Now remove the 2 cross-headed screwshidden behind the handrail end brackets (Fig. 8.2).Removing the Control PanelPull off all the control knobs and remove the 3 fixing screwsunderneath the control panel (Fig. 8.3).The control panel will drop down slightly. It is held at the topby two holes in the top edge, one at each end, that locate onthe tags on the inner panel. Lift the control panel clear of thetags and pull forwards, taking care not to damage or strainthe wiring.Bypass Screw AdjustmentTurn the bypass screw on each control clockwise to the stop(Fig. 8.4). Refit the control panel.Stick on LabelStick the LP gas label over the natural gas part of theappliance data label.Fig. 8.3Fig. 8.48. Conversion to LP Gas