Vacuubrand ME 4R User Manual download pdf (Page 17)

Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully

the validity of this document with respect to his product. Manual-no.: 999122 / 02/09/2009

page 17 of 21

If the pump does not achieve the ultimate pressure:

☞ In case the diaphragms and valves have been replaced, a run-in period of several

hours is required before the pump achieves its ultimate vacuum.

If all pump heads achieve a vacuum below 110 mbar but pump does not achieve the

ultimate total pressure:

Check hose connections at the pump heads for leaks. If necessary recheck pump

chamber.

➨ Screw on manometer, align it and tighten with open-end

wrenches w/f 14 and 17.

➨ Use open-end wrench (w/f 17) and assemble screw-in fit-

tings at all pump heads. Steady fitting with a second open-

end wrench (w/f 20).

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Vacuubrand ME 4R User Manual Page 17