vacuubrand ME 4C NT VARIO Instructions For Use Manual

Also see for MD 12C VARIO-B: Instructions for use

Contents

vacuubrand ME 4C NT VARIO Instructions For Use Manual Manual pdf 9 page image

Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefullythe validity of this document with respect to his product. Manual-no.: 999164 / 19/05/2009page 9 of 75Maintenance and repairWear parts have to be replaced regularly. In case of normal wear the lifetime ofthe diaphragms and valves is > 10000 operating hours. Bearings have a typical du-rability of 40000 h.➨ Isolate equipment from mains and wait two minutes before starting mainte-nance to allow the capacitors to discharge.☞ Ensure that the pump cannot be operated accidentally. Never operate thepump if covers or other parts of the pump are disassembled. Never operatea defective or damaged pump.☞ Attention: The pump might be contaminated with process chemicals which havebeen pumped during operation. Ensure that the pump is decontaminated beforemaintenance and take adequate precautions to protect people from the effects ofdangerous substances if contamination has occurred.• Before starting maintenance vent the pump, isolate the pump and other compo-nents from the vacuum system. Allow sufficient cooling of the pump. Drain con-densate, if applicable.Ensure that maintenance is done only by suitably trained and supervised techni-cians. Ensure that the maintenance technician is familiar with the safety procedureswhich relate to the products processed by the pumping system.In order to comply with law (occupational, health and safety regulations, safety atwork law and regulations for environmental protection) vacuum pumps, componentsand measuring instruments returned to the manufacturer can be repaired only whencertain procedures (see section ”Notes on return to the factory”) are followed.NOTICEThe A-weighed emission sound pressure level of the pump does not exceed 70dB(A). Measurement according to EN ISO 2151:2004 and EN ISO 3744:1995 withstandard silencer or exhaust tube at outlet.