U.S. VACUUM PUMPS, INC provides repair and overhaul services for a wide variety of mechanical vacuum pumps and boosters. All pumps are rebuilt at our suburban Chicago location and each leaves with a 90 day warranty. Pumps rebuilt undergo the following:

-Disassembly, inspection and cleaning
-Total replacement of all seals, bearings, vanes, gaskets & o-rings
-All other parts replaced as required, with customer approval, for
  an extra charge
-Two or more changes of hydrocarbon oil
-Complete test run for 24 hours
-Thorough draining & cleaning
-Painting & final tagging with rebuild information