Crankcase Fills with Oil (Dry‐sump System)

We listed possible causes of the problem crankcase fills with oil (dry‐sump system):

1. Scavenger pump has lost its prime
2. Scavenger pump screen stopped up
3. Scavenger suction or pressure lines stopped up
4. Air leak in suction side of scavenger pump
5. Broken scavenger pump drive
6. Scavenger pump badly worn

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