19Cleaning the hobSpillage on the hob can usually be removed by a damp soapy cloth. More obstinate stainscan be removed by rubbing gently with a soapy scouring pad or mild household cleaner.Important:As a safety measure, before you start cleaning the cooker be sure to disconnect it from themains supply.Do not use a steam cleaner because the moisture can get into the appliance thusmake it unsafe.6 Care and maintenanceGas tapsIf a tap becomes stiff, do not force; contact your local COMET Service Centre.Flexible tubeFrom time to time, check the flexible tube connecting the gas supply to the cooker.It must be always in perfect condition; in case of damage arrange for it to be replaced by aC.O.R.G.I. registered installer.Cleaning oven parts after useThe oven interior and the chromium plated shelves can be cleaned by damp soapy cloth.Obstinate stains can be removed with nylon scouring pads and gentle, non-abrasive, liquidcleaner. Provided the oven is wiped over immediately after roasting, only the minimum ofcleaning should be necessary.Stainless steel aluminium parts and silk-screen printedsurfacesClean using an appropriate product. Always dry thoroughly.IMPORTANT: these parts must be cleaned very carefully to avoid scratching and abrasion.You are advised to use a soft cloth and neutral soap.CAUTION: Do not use abrasive substances or non-neutral detergents as these willirreparably damage the surface.