Hydraulics At Work http://hydraulicspneumatics.com/blog/26271/feed Brendan Casey is a war-weary and battle-scarred veteran of the hydraulics industry. en How To Make Sense Of Case Drain Flow From A Hydrostatic transmission http://hydraulicspneumatics.com/blog/how-make-sense-case-drain-flow-hydrostatic-transmission <div class="node-body blog-body">"I tried one afternoon and evening to determine what was wrong with a hydrostatic transmission by monitoring case drain flow and was confused by the readings I was seeing. There was a flow meter in the transmission pump outlet and another in its case drain that always showed charge pump flow, even though the motor was bypassing profusely. The motor case drain went through the transmission pump case to tank." </div> <p><a href="http://hydraulicspneumatics.com/blog/how-make-sense-case-drain-flow-hydrostatic-transmission" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-make-sense-case-drain-flow-hydrostatic-transmission#comments Hydraulics At Work Tue, 28 Jun 2016 01:12:00 +0000 38981 at http://hydraulicspneumatics.com Are You SURE Your Hydraulic Pump Is Broken? http://hydraulicspneumatics.com/blog/are-you-sure-your-hydraulic-pump-broken <div class="node-body blog-body">"We have some problems with a Parker-Denison hydrostatic transmission pump P24S 2R1C 9A2. Oil temperature rises from 20 to 50 Celsius within 15-20 minutes of only light operation (65 bar working pressure). The pump was sent to a local workshop for repair and cost us $10,000 and yet the problem remains."</div> <p><a href="http://hydraulicspneumatics.com/blog/are-you-sure-your-hydraulic-pump-broken" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/are-you-sure-your-hydraulic-pump-broken#comments Hydraulics At Work Tue, 21 Jun 2016 00:55:00 +0000 38911 at http://hydraulicspneumatics.com How To Select Hydraulic Connectors For Leak-Free Reliability http://hydraulicspneumatics.com/blog/how-select-hydraulic-connectors-leak-free-reliability <div class="node-body blog-body">Hydraulic oil leaks are often considered to be an inherent characteristic of hydraulic machines. While this may have been true 30 years ago, advances in sealing technology and the development of reliable connection systems means that today, leak-free hydraulic plumbing is readily achievable. </div> <p><a href="http://hydraulicspneumatics.com/blog/how-select-hydraulic-connectors-leak-free-reliability" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-select-hydraulic-connectors-leak-free-reliability#comments Hydraulics At Work Tue, 14 Jun 2016 01:23:00 +0000 38801 at http://hydraulicspneumatics.com One Thing You Must Check The Next Time You Change A Hydraulic Hose http://hydraulicspneumatics.com/blog/one-thing-you-must-check-next-time-you-change-hydraulic-hose <div class="node-body blog-body">The hydraulic hose fabrication process - or more specifically - the hose cutting process introduces contamination. This comprises metal particles from the hose's wire reinforcement and the cutting blade itself, and polymer dust from the hydraulic hose's out cover and inner tube. </div> <p><a href="http://hydraulicspneumatics.com/blog/one-thing-you-must-check-next-time-you-change-hydraulic-hose" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/one-thing-you-must-check-next-time-you-change-hydraulic-hose#comments Hydraulics At Work Tue, 07 Jun 2016 00:41:00 +0000 38551 at http://hydraulicspneumatics.com How To Avoid Hydraulic Troubleshooting Mistakes http://hydraulicspneumatics.com/blog/how-avoid-hydraulic-troubleshooting-mistakes <div class="node-body blog-body">Troubleshooting hydraulic systems can be a complex exercise. It involves a lot of science and sometimes, a bit of art. Incorrect diagnosis prolongs downtime and can result in the unnecessary repair or replacement of serviceable components. To avoid these costly mistakes, a logical approach based on sound troubleshooting principles is required.</div> <p><a href="http://hydraulicspneumatics.com/blog/how-avoid-hydraulic-troubleshooting-mistakes" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-avoid-hydraulic-troubleshooting-mistakes#comments Hydraulics At Work Tue, 31 May 2016 01:29:00 +0000 38481 at http://hydraulicspneumatics.com How To Reduce Noise Emission From Hydraulic Systems http://hydraulicspneumatics.com/blog/how-reduce-noise-emission-hydraulic-systems <div class="node-body blog-body">The magnitude of noise radiation from an object is proportional to its area and inversely proportional to its mass. Reducing an object's surface area or increasing its mass can therefore reduce its noise radiation. For example, constructing the hydraulic reservoir from thicker plate (increase in mass) will reduce its noise radiation.</div> <p><a href="http://hydraulicspneumatics.com/blog/how-reduce-noise-emission-hydraulic-systems" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-reduce-noise-emission-hydraulic-systems#comments Hydraulics At Work Tue, 24 May 2016 00:25:00 +0000 38461 at http://hydraulicspneumatics.com How To Deal With Water In Hydraulic Oil http://hydraulicspneumatics.com/blog/how-deal-water-hydraulic-oil <div class="node-body blog-body">If you've worked with hydraulic equipment for any length of time, it's likely that you've come across a hydraulic system with cloudy oil. Oil becomes cloudy when it is contaminated with water above its saturation level.</div> <p><a href="http://hydraulicspneumatics.com/blog/how-deal-water-hydraulic-oil" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-deal-water-hydraulic-oil#comments Hydraulics At Work Tue, 17 May 2016 00:55:00 +0000 38431 at http://hydraulicspneumatics.com How To Fix Water Hammer In Hydraulic Circuits http://hydraulicspneumatics.com/blog/how-fix-water-hammer-hydraulic-circuits <div class="node-body blog-body">When a moving column of fluid hits a solid boundary - when a directional control valve closes suddenly for example, its velocity drops to zero and the fluid column deforms, within the rigid cross-sectional area of the pipe, to absorb the (kinetic) energy associated with its motion - similar to a car hitting a concrete wall.</div> <p><a href="http://hydraulicspneumatics.com/blog/how-fix-water-hammer-hydraulic-circuits" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/how-fix-water-hammer-hydraulic-circuits#comments Hydraulics At Work Tue, 10 May 2016 00:35:00 +0000 38301 at http://hydraulicspneumatics.com Why You Should Record All Hydraulic Oil Top-Offs http://hydraulicspneumatics.com/blog/why-you-should-record-all-hydraulic-oil-top-offs <div class="node-body blog-body">A maintenance planner for a large coal mine, recently told me his mine purchased 447,000 liters of hydraulic oil last year. It's hard to believe planned hydraulic oil changes accounted for much more than a third of this volume. So where is all the rest going? I bet the coal from this mine burns better than most. And it's safe to assume hydraulic oil leaks are not the least of their problems.</div> <p><a href="http://hydraulicspneumatics.com/blog/why-you-should-record-all-hydraulic-oil-top-offs" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/why-you-should-record-all-hydraulic-oil-top-offs#comments Hydraulics At Work Tue, 03 May 2016 00:36:00 +0000 38111 at http://hydraulicspneumatics.com Hydraulic Component Repair Using Aftermarket or Non-Genuine Parts http://hydraulicspneumatics.com/blog/hydraulic-component-repair-using-aftermarket-or-non-genuine-parts <div class="node-body blog-body">The economics of proceeding with any hydraulic repair is ultimately dependent on the cost of the repair, relative to the cost of a new component. As a rule, the more expensive the new component is in absolute dollar terms, the more likely it is that a repair will be cost effective. The cost of a hydraulic repair is determined by a number of factors.</div> <p><a href="http://hydraulicspneumatics.com/blog/hydraulic-component-repair-using-aftermarket-or-non-genuine-parts" target="_blank">read more</a></p> http://hydraulicspneumatics.com/blog/hydraulic-component-repair-using-aftermarket-or-non-genuine-parts#comments Hydraulics At Work Tue, 26 Apr 2016 00:41:00 +0000 38051 at http://hydraulicspneumatics.com