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  1. D

    AQAD40B Oil pressure

    "Is it possible and if so reco "Is it possible and if so recommendable to increase oil pressure by stretching the spring of the oil pressure valve in front of the oil cooler. The enige has 1800 hrs., and actual oil pressure at 3100 RPM and warm engine is 3 - 3,5 kgs."
  2. D

    AQAD40B temp increase

    "One of my two engines has got "One of my two engines has got a temperature increase to 90 C degrees +, and during my tracing for the reason I find that the water filter on this engine is only half full of water. Any advises ? Kjell"
  3. D

    Coolant loss

    "One of my two AQAD40B's r "One of my two AQAD40B's runs OK and temp is OK, but looses coolant trough heat exhanger filler cap (approx. 1 litre per 5 hrs.). Any advises how to find the reason? What is normal fuel consumption for this engine at approx. 3000 rpm's? Any feedback appreciate...
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