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Troubleshooting Challenge: HPU is Too Noisy (.PDF Download)

April 8, 2016

Several years ago, we built 10 hydraulic power units (HPUs) at our Cincinnati location for a cryogenics OEM located near Denver. The OEM builds equipment for customers that manufacture various sub-zero products along with dry ice. Part of the manufacturing process involves compressing crystallized CO₂ at –109.3°F into solid blocks or pellets...

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BOOK 2, CHAPTER 12: Fluid Motor Circuits

Motor leakage variations

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