A cheap vacuum pump will get you part of the way there, 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 ...

A vacuum pump requires less pumping than a piston pump but comes with a fixed-size container: Be sure its capacity matches your needs. Many businesses use waste-oil heaters and will be glad for 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 ...

One technology that has taken hold in the last 10 years is a priming pump that totally eliminates the need for lubricant - it is "oil-less" - a rotary-vane vacuum pump that runs dry with no ...

The MEAT! Chamber Vacuum Sealer with Oil-less Pump was by far and away the loudest chamber vacuum sealer we tested. With that said, it was also one of the most effective. It’s incredibly intuitive and ...

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 ...

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 ...

In the past, bleeding brakes was a bit of a pain because it meant needing a second person to repetitively pump the brake system, but vacuum pumps ... produces off-kilter, less-traveled car content ...