Figure It Out: Ram Drifts Down After Replacing the Main Directional Valve
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training. A company that makes carbon fiber leaf springs …
Proportional Valve With Spool Feedback Oscillates Badly on Start-up
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training. A dam out west had a hydraulic system installed …
Figure It Out: Loud Noise Heard When Shutting Off a Hydraulic System
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training The attached circuit for a guillotine type press …
Figure It Out: New Motor Stalls and Pops Overloads
A system that worked well for many years needed its electric motor changed. The company bought a 40-horsepower electric motor, but it was a different brand …
Figure It Out: Press Upgrade Didn’t Fix Overheating Problem
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training The above circuit drawing for a hydraulic …
Figure It Out: Relocating HPU Causes Start-up Problem
New Problem Relocating HPU Causes Start-up Problem By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial …
Figure It Out: Cargo Ship’s Cylinders Drifted
New Problem Cargo Ship’s Cylinders Drifted By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training. …
Figure It Out: Extractor Motor Reverse Speed Rises to an Unexpected Creep
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A hydraulic system drives a vertical ball screw …
Figure It Out: Deep Pan Forming Press Loses Operating Pressure
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A manufacturer of cooking pots and pans had a …
Figure It Out: Hydraulic Motor Slows as Accumulator Discharges
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A new system was required to run a hydraulic …
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