Posted by olddog on October 22, 2008 at 05:36:56 from (24.229.174.49):
In Reply to: vacuum posted by TimWafer on October 21, 2008 at 08:53:17:
Vacuum pumps pump air and are rated in CFM. ASME rated at atmosphere pressure (14 PSI) and NZ rated at 15 inches (working)vacuum. I usta could rebuild Surge Alamo pumps in my sleep. They all used oil to lube the vanes (either metal or fibre) as well as lube the bearings. The oil is recycled in the reclaimer. You may be able to get along with heating oil for lube but consider the consequences of compressing it as a vapor. Also consider a muffler on it in a residential setting. Your variables are the size of the suction line, height that you are lifting it, (20 ft may be max) and your patience for time to draw it off. Good news .. we recommended to flush any pump whose oil was contaminated with milk or water; with diesel! There are those around here using milker (vacuum) pumps to draw septic tanks.
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Today's Featured Article - Ford Part Number Trivia - by Forum Participants. "Replaced by" means the part was superseded. All of my part books date back to 1964 and New Holland have changed some part numbers. They usually put the old Ford part number on the package. I was suppressed when I looked up the part number of the auxiliary drive shaft because for some reason the part number went through a radical change and it lost its "Basic Part Number". Ford part numbers follow the following rules. Most part numbers are in three parts. The middle part is called the
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