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For what it's worth, I pulled the vacuum pump from my IV at 500 hrs. I sent
the pump to Parker and asked for a detailed teardown and analysis. The
report said that normal wear was noted and that it would have easily gone the
full 1000 hours, and why did I pull it ??. Because of all those scary stories
of them not going 500 hrs w/out failure. Heat is their worst enemy, and if a
cooling shroud is installed it extends their life along with changing the
filter regularly. Then I remembered that it was my $200 core !!!!
Mike
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LML website: http://www.olsusa.com/Users/Mkaye/maillist.html
LML Builders' Bookstore: http://www.buildersbooks.com/lancair
Please send your photos and drawings to [EMAIL PROTECTED]
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