but to really pull a hard vacuum, you need an oil diffusion pump that costs multiple tens of thousands of dollars. Or, you need a bunch of thrift store junk, a TIG welder, and a can of WD-40.

Fortunately, Peterson Fluid Systems recently introduced a new belt-drive oil pump and vacuum pump combination that looked like it would fit our needs. The Peterson oil pump uses the same mounting ...

The treated oil looked far better than the starting material, and while it still may have some water in it, it’s probably just fine for excavator use now. The downside is that the vacuum pump ...

One item that requires occasional tender loving care is the vacuum ... oil leaking from the engine catches our attention and is then traced back to the area where the power-steering pump’s ...

DEEP EVACUATION ON A GROCERY STORE RACK: Multiple large hoses coupled directly to a high-cfm pump is the easiest ... exposed to refrigerant, oil, moisture, and other contaminants. MICRON GAUGE AT THE ...

One item that requires occasional tender loving care is the vacuum ... oil leaking from the engine catches our attention and is then traced back to the area where the power-steering pump’s ...