Hydraulic Cylinder FAQ and Installation

  • Confirm the position of the oil return hole of the hydraulic tank, the amount of oil, oil return, the position of the return hose and the smoothness.
  • Identify whether the seal kit is aging or the chips are accumulated too much in collector result in be pulled into and scratched piston.
  • Check the concentricity of the draw tube and confirm that the vertical run-out of the hydraulic cylinder and the connecting pipe is within the standard value.
  • If the length of the draw tube is 100mm, the standard value of the run-out precision tolerance is within 0.1mm.
  • And so forth, if the draw tube is run-out too much be result in the piston will be damaged.
  • Cause hydraulic cylinder oil leakage. It is recommended to use one integrated molding to ensure that both ends are concentric.
  • Confirm whether there is any external force caused by the installation of the detective plate or other fixtures.
  • When turning test, the piston should be reciprocated in time to allow the oil temperature in the hydraulic cylinder to be evenly heated.
  • Otherwise, the hydraulic cylinder will not operate normally.
  • Therefore, it is necessary to regularly clean the gap between the sleeve body and the rotary valve to keep it clean and prevent foreign matter from invading.
  • And pay attention to the chips or foreign matter in the hydraulic tank, if it is sucked into the hydraulic cylinder, it is easy to cause the hydraulic cylinder to be stuck.

Please refer to the instructional movie.

The mounting of hydraulic cylinder and coolant

Hydraulic cylinder common complaint