Hundley Hydraulic

Hydraulic Sales and Service DFW

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3220 N Main St.
Cleburne, TX 76033
(817) 558-4961
24 hr Emergency Service (817) 939-2723
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Troubleshooting principle #1

June 3, 2015 By Hundley

Some principles to remember when troubleshooting problems with your hydraulic pump.

  1. Hydraulic pumps create flow-not pressure
  2. Resistance to flow creates pressure
  3. Pressure determines cylinder force and motor torque
  4. Flow determines cylinder or motor speed
  5. Fluid under pressure always takes path of least resistance
  6. When liquid moves from an area of high pressure to an area of low pressure (pressure drop)without doing useful work, heat is generated
  7. Hydraulic fluids are compressible-not highly compressible, but compressible nonetheless

Filed Under: Maintenance Tips

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