Maintenance5-4P/N 7105144G 2008 Nordson CorporationVersaBlue_NWPreventive Maintenance (contd.)Melter part Activity Interval Refer toFilling valve (option) Check control moduledetection hole; replacecomplete control moduleif necessaryWhen excess material seeps outof detection hole(seals in inside worn)5-20Level and overflowprotection evaluatorsCalibrate Only when evaluator or levelsensor is replacedSection RepairExternal CleaningExternal cleaning prevents impurities created during production fromcausing the melter to malfunction.CAUTION: Observe the unit’s Degree of Protection when cleaning (Referto section Technical Data).CAUTION: Do not damage or remove safety labels. Damaged or removedsafety labels must be replaced by new ones.Remove material residue only with a cleaning agent recommended by thematerial supplier. Heat with an air heater if necessary.Remove dust, flakes etc. with a vacuum cleaner or a soft cloth.Nordson recommends the orange cleaning agent P/N 771 192 (12 spraybottles, 0.5 liter each).Control PanelCAUTION: Set Screen cleaning (V20 in section Operation). This ensuresthat no functions are unintentionally triggered by touching the screen.Clean the insides of the plastic frame on the control panel front regularlywith a damp, soft cloth. Use caution to ensure that the surface is notscratched or scoured, particularly when removing hard residue and abrasivedust. Do not allow solvents to come into contact with the panel front;solvents could corrode the plastic frame.
