Have you asked MES-DEA? MW
On 27 Sep 2013, at 21:36, Adrian DeLeon wrote: > I've got a 7 year old MES-DEA vacuum pump that no longer shuts completely > off. After pumping down, the pump begins to quit, but then starts/stops > rapidly, sounding like the lope of an idling (very quiet) race car engine. I > checked for vacuum leaks, disconnected and plugged various hose ends, and > finally plugged the end of the pump with my finger. In all cases, the pump > would stutter after reaching its preset vacuum level. > > Now for the big question: Do I leave it the way it is? Or do I put the pump > into its "continuous run" mode? My thought is that running constantly would > be better than the constant start/stop, which is probably stressful to the > motor and its drive electronics. This particular model has a built-in > pressure sensor that gets bypassed if the polarity of the pump connections > are reversed. > > Ideas? > > Adrian _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
