Noise is never a good thing in a hydraulic system. This is especially true if the noise changes between when the pump is on or off stroke. Most likely the pump is experiencing some degree of cavitation, which is causing the noise. The life of the pump, and the operation of the system, is negatively affected by this situation. One cause of … [Read more...]
Dispelling The Myth: New Hydraulic Oil Is Clean Hydraulic Oil
You may think that new hydraulic oil is automatically clean, but that’s not really the case. New hydraulic oil straight from the drum has a typical cleanliness level of ISO 4406 23/21/18. Now that number may not mean a lot to you, but it's four cleanliness code levels below that considered ideal for a high pressure, high performance hydraulic … [Read more...]
Thread Sealing Tips
Sealing NPT threads can be an exasperating experience if certain techniques are not followed. The following tips will help alleviate many common problems in thread sealing: … [Read more...]
Hose and Fitting Maintenance Instructions
Even with proper selection and installation hose life may be significantly reduced without a continuing maintenance program. Frequency should be determined by the severity of the application and risk potential. A maintenance program must include the following as a minimum: … [Read more...]