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Old 11-28-2011, 09:31 PM
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Location: Long Beach,CA
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Quote:
Originally Posted by averyphilly View Post
Hi again. Thanks for the replies and advice, tangofox007 and my123ca. I removed the back cover and you were right, my123ca, one of the three check valves was cracked. I ordered a repair kit and will be replacing the valves and o-rings. Hopefully I will get much better vacuum then. I'll report the results after I put it all back together this weekend.
Save the Old O-rings. Some kits have O-rings that are too thin in cross section to seal the Valves.

You might find a past thread on that; something like "Rebuilt Vacuum Pump but it is not holding Vacuum".
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