127. MAINTENANCECleaning and disinfection.WARNING: Do not use strong chemical cleaning agents such as ‘Dettox’ to sterilise thelight. Do not use any abrasive materials to clean the light. CAUTION the light is notwaterproof, so do not use excessive cleaning fluid amounts.Suitably protect hands. Wipe the light using clean tissue or soft towelling - pay specialattention to the switch areas. Apply to all surfaces a 1% solution of sodium hypochloriteusing a soft cloth. Within 10 minutes, remove the chemical from all surfaces using a damp,soft cloth. The chemical will cause corrosion of metal parts, if it is not thoroughly removed.Apply Isopranol to the surfaces – this is an alcohol-based fluid which evaporates withoutleaving any residue and can be obtained as an impregnated-cloth applicator.Note: Do not attempt to remove the light-head steering handle.Routine maintenance.The SL200 is designed and manufactured to stringent quality standards. Observing thefollowing procedures will help to maintain the light’s optimum performance.Light-headClean all exterior surfaces As required Disinfecting and cleaningdirections – see aboveRemove diffuser and clean internalsurfaces and reflector surfaceAs required Disinfecting and cleaningdirections – see aboveCeiling mountOperation Suggested IntervalsInspect 6 button head socket screwsfor tightness and check that washersare fitted under headSix Monthly Tighten with appropriateAllen key.Check that down post is rigidlymounted to the ceiling (do not exertundue force).Annually If any movement found –immediately advise your fullservice dealer.Wall mountOperation Suggested IntervalsCheck for security of fixing to wall Annually Investigate any looseness –ensure your buildingcontractor is consulted iflooseness found.