vacuubrand ME 1 Instructions For Use Manual

Also see for ME 1: Instructions for use

vacuubrand ME 1 Instructions For Use Manual Manual pdf 48 page image

page 48 of 57➨ Remove the 4 screws affixing the back cov-er with a Torx driver T20 to replace the fus-es. Pay attention to the washers under thescrews.➨ Pull off front cover carefully. Do not tilt.➨ Switch off the pump.➨ Disconnect the electrical power cord before remov-ing the covers. After disconnecting from power, waittwo minutes to allow the capacitors to discharge.+ The replacing of the fuse has to be carried out by atrained electrician.+ After replacing the fuse, the pump must be checked forelectric safety (see below)! Identify and eliminate thecause of failure before switching on the pump again.Replacing the fuseIf the pump does not achieve the ultimate vacuum:- Whenever the diaphragms and valves have been replaced, a break-inperiod of several hours is required before the pump achieves its ulti-mate vacuum.- In case of an unusual noise, switch off pump immediately and checkclamping disc positions.If the specified ultimate vacuum is not achieved, and if this does notchange after the break-in period:If necessary recheck valve seats and pump chambers.Checking the ultimate vacuum➨ After any intervention at the equipment (e.g., repair / maintenance)the ultimate vacuum of the pump has to be checked. Only if the pumpachieves its specified ultimate vacuum, the pump’s leak rate is lowenough to ensure that no explosive atmospheres will occur in the inte-rior of the equipment.