New Problem: Pilot Operated Directional Valve Locks Up
I got a call to help with a problem on an aluminum uncoiling station. The customer would collapse the expander that held the coil and installed a new coil to …
New Problem Servo System Pump Keeps Failing
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM CFC Industrial Training A company that manufactures plastic bottles for …
System Overheats on Custom Drum Crusher
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM CFC Industrial Training A horizontal press crushes empty 30- and …
Pusher Cylinders Stop Midway
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training The maintenance department of a large recycling …
Intensifier Drops from Required Pressure after Several Hours
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training We were called in to look at a filter press …
Cylinder Speed Increases on a Forming Press
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A forming press had a 3-inch cylinder that …
Electric Motor Blowing Overloads
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training We were called out to trouble shoot a problem on …
Banging Damages Pipes and Fittings
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A manufacturer of various size steel drums had a …
Ram Does Not Retract on a Forming Press
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training The circuit shown here was a press I designed …
Strange Noise When Starting a Hydraulic Motor
By Robert Sheaf, CFPAI/AJPP, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM, CFC Industrial Training A steel mill reported a strange noise at one of …
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