One item that requires occasional tender loving care is the vacuum pump. Because a diesel has ... If the shaft seal fails, the result is an instant high-pressure oil leak. That was the biggest ...

The patent-pending interior EPO coating, which is a high-energy ... fill port. The oil can be replaced in under 20 seconds, even while the pump is running without losing vacuum.

Nitrogen left in the system will collect in the condenser and cause the system’s high pressure to operate ... the cleanliness and dryness of its oil, any water vapor that is condensed will dissolve ...

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 ...