WARNING – SERVICING TO BE CARRIED OUT ONLY BY AN AUTHORISED PERSONDisconnect from electricity before servicing. Check appliance is safe when you have finished.31Right-hand trayFrom the rear remove the screws securing the flue grillto the hotplate tray. If the left-hand hotplate has notbeen removed, slacken the screws holding the left-handtray. Remove pan support, burner head, caps and trimrings. Remove the screws holding the wok burner to thehotplate. Remove the 2 screws and washers holding theright-hand tray to the frame.Press the wok burner down slightly and, taking carenot to damage the wok burner electrode, slide the trayabout 30 mm to right to clear the locating brackets onthe right-hand side. Lift tray slightly at the front andtaking care not to stress the warmer/lead junction,disconnect the leads to the warmer neon and separatethe leads at the piggybacks. Withdraw the hotplate.Reassemble in the reverse order ensuring that theleads are reconnected. When replacing the right-handhotplate take care not to damage the ignition electrodeof the wok burner.It is important that the rear fixing screws are refitted asthey from part of the cooker earthing.On some models there is a separate plate (Fig.9-2). Onothers it is a tag on the cooker backsheet (Fig.9-3).It is important that the tag is on the outside and thatboth fixing screws are fitted.Check for correct burner operation.2.2 To Replace the Hotplate Control TapsDISCONNECT FROM THE ELECTRICITY SUPPLY.nn BEFORE SERVICING ANY GAS CARRYINGCOMPONENTS, TURN OFF THE GAS SUPPLY.Remove the control panel and hotplate (see 1.1 & 2.1).Unplug the FSD lead from the rear of the tap. Undo thecompression fitting at the rear of the tap and removethe fixings that secure the tap to the gas rail. Disconnectthe ignition switch wiring.Remove the tap. Remove and discard the gasket seal. Fitthe new gasket seal to the replacement tap. Reassemblein reverse order. Check that the appliance is gas sound.Verify the hotplate ignition.2.3 To Change a Hotplate Burner InjectorRemove the burner cap and head. Remove the oldinjector.Fit the new injector. Reassemble in the reverse order.Check the appliance is gas sound.2.4 To Replace a Hotplate Burner ElectrodeDISCONNECT FROM THE ELECTRICITY SUPPLY.Lift off pan supports and remove the burner cap.Remove the screw holding the electrode. Pull theelectrode vertically up sufficiently to grip the leadbetween thumb and forefinger.Pull off the electrode, but keep hold of the lead. Fitthe new electrode to the lead. Fix the electrode in theburner with screw. Replace the burner cap.Check the burner ignition. Replace the pan supports.2.5 To Replace a Hotplate BurnerDISCONNECT FROM THE ELECTRICITY SUPPLY.Remove the hotplate tray (see 2.1). The burners (exceptthe right-hand wok burner) are mounted on supportstruts. For these burners, disconnect the burner feedpipes at the burner. Remove the screws at the frontand rear holding the support struts. Lift the strut andburners clear. The burners are fixed to the support strutswith 2 screws. Remove the appropriate burner and fitthe new one.Reassemble in reverse order. Check that the burneroperation is satisfactory.Right-hand Wok BurnerDisconnect the burner feed pipes at the burner.Fit the new one and reassemble in reverse order. Checkthat the burner operation is satisfactory.2.6 To Change a Hotplate Burner ThermocoupleDISCONNECT FROM THE ELECTRICITY SUPPLY.Remove the control panel and hotplate (see 1.1 & 2.1).Unplug the FSD lead from the rear of the tap.The thermocouple sits in a hole that has a slot at oneside. Ensure that the thermocouple is cool. Turn thethermocouple so that the earth lead (no sleeve) is in linewith the slot. Lift the thermocouple clear of the hole.Reassemble in reverse order.2.7 To Change the Warmer NeonDISCONNECT FROM THE ELECTRICITY SUPPLY.Remove right-hand hotplate (see 2.1). Carefully turn thehotplate upside down on a suitable flat surface. Removethe 2 screws holding neon bracket to warmer frame. Fitthe new neon and bracket assembly.Reassemble in reverse order and check for correctoperation.2.8 To Change the WarmerDISCONNECT FROM THE ELECTRICITY SUPPLY.Remove the right-hand hotplate (see 2.1). Fit the newright-hand hotplate and reassemble in reverse order.Check the burner and warmer operation is satisfactory.3 Controls3.1. To Replace the Ignition or Light SwitchDISCONNECT FROM THE ELECTRICITY SUPPLY.Remove the control panel (see 1.1).Note: The old switch may be destroyed during removal.Remove the old switch from its bezel by gripping theswitch body behind the control panel and twistingsharply. Remove the switch bezel by folding back thelocking wings and pushing forward.To fit the new bezel to the control panel: first line up theraised key on its body with the cut-out in the controlpanel and push it in from the front.