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1986 4588 motoryacht AC-gctid818713

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    1986 4588 motoryacht AC-gctid818713

    Two of my three AC units no longer blow cold air. The forward stateroom and now just today the main salon one as well. I'm in Florida right now and this no AC is getting rough. Does anyone know how to change the thermostats for the units? I think that may be the problem, and it seems a less expensive fix then hiring someone to do the same thing. THanks
    roman zareczny

    Are these the original Marine Air units? Mechanical controls, not digital? Units run but no cold air correct? Is there proper cooling water coming out of the thru hulls? With the units running, you can feel the top of the compressors to see if they are running.

    There was a similar thread recently where someone replaced the thermostat, they had part numbers for them.

    1989 Bayliner 3888, 175 Hinos,
    Hurth 630's Onan 8kw MDKD
    Lowrance Electronics!
    Boating on Georgian Bay & the North Channel
    Completed the Great Loop 07/25/19
    AGLCA #8340
    MTOA# 7469