The removal of contamination ‘built-in’ during the assembly of a new hydraulic system, or the removal of internally-generated contamination following a major, catastrophic failure in an existing hydraulic system, is commonly known as flushing.

This type of flushing is usually carried out with a dedicated rig designed specifically for this purpose. And while the hydraulic oil to be used in … Read more

The best time to determine the maintenance and reliability objectives for a piece of hydraulic equipment, and by extension, its life of ownership cost, is before it is purchased. And there are a couple of different ways this objective can be achieved.

Hydraulic equipment users who are sophisticated in their maintenance practices can dictate specific requirements for those variables known … Read more

One of our members described the hydraulic layout of a rear-mounted knuckle crane on a truck, which was giving trouble, as follows:

“The pump is a bent axis Muncie pump 20 GPM, 4300 PSI. The pressure line is 3/4″ hose and steel tube. The pump intake line is a 2″ suction hose from the tank located on the crane base … Read more