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Fault finding

Hydraulic winch slow or erratic

Winches · MacGregor

MarineMedium difficulty

Symptoms

Jerky movement, reduced pulling force, oil overheating.

Probable causes

  • Degraded or contaminated hydraulic oil
  • Relief valve incorrectly set
  • Worn hydraulic pump
  • Air in the circuit

Solution

Analyse and replace the hydraulic oil, check the relief valve setting, check pump flow and bleed the air from the circuit.

The information on this page is general guidance. It does not replace the manufacturer’s manual or the work of a qualified technician: before any intervention, always check procedures, tightening torques and safety requirements in the official documentation of the machine.

Field experiences

No experience has been published for this fault yet. If you have dealt with it, tell us how you solved it: photos and drawings help whoever faces the same situation.

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