Some Like It Hot But Hydraulic Machines Don’t

hydraulic power unitA colleague who works for a major hydraulic component manufacturer recently told me his company’s original equipment manufacturer (OEM) customers are demanding hydraulic components which can handle operating temperatures in excess of 110°C. And this number is not for margin of safety – it’s for continuous operation.

The trouble with this is, heat is the biggest enemy of a hydraulic … Read more

Why Size Matters In Conventional Hydraulic Tank Design

500HPU1Hydraulic fluid has a BIG job to do. It’s a power transmission device, a lubricant, a heat transfer medium – and even a sealant, in some hydraulic components at least. And this is why I consider the fluid to be THE most important component of a hydraulic system. And certainly not something to be purchased on price alone.

But regardless … Read more

The Conflict Between Pump or Motor Case Pressure and Contamination Control

Cracked pump housing -- installer FORGOT to connect the case drain line!

My previous blog-post featured this picture of a cracked, piston-pump housing. One of our members made the comment that for this to happen, the pump’s rotating group would have to have failed and come apart in a spectacular way. Not so. And based on my long experience in the hydraulics repair biz, such an event being the cause of a … Read more