Problem compressor milky oil in the crankcase in marine

If there is an accumulation of milky coloured oil in the crankcase, it can be because of the following reasons :

  1. Water leakage from cylinder liner.
  2. Water leakage from jacket.
  3. Oil running hour is over.

Crankcase sweating or frosting up


  1. Liquid in suction line
  2. Expansion valve sensor misplaced
  3. Liquid regulating valve or float valve producing too much liquid


  1. See liquid in suction line
  2. Check positioning of expansion valve sensor – see instructions for expansion valve
  3. Increase superheating on thermostatic expansion valve

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