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AC help dripping evaporator!

Discussion in 'Trucks [ Eighteen Wheelers ]' started by flc120, Aug 11, 2012.

Page 2 of 2
  1. Aug 11, 2012 #11
    windsmith

    windsmith Road Train Member

    7,296
    6,032
    Sep 2, 2011
    NEPA
    0
    If you do this, make sure you blow in reverse or you will force the debris further into the fins. You will want to blow from the fan side, as the fan pulls air through the evaporator (for the cabin a/c, my bunk a/c blows air through, YMMV)


    As for the acid / water, that would be overkill. Usually the debris stays on the face of the evaporator and collects there. A good stiff brush should remove it.

    The evaporator will freeze if the airflow through it is not sufficient to keep it above 31 degrees or so, and then only if there is enough latent heat to condense on the evaporator. If there is a restriction in the airflow (such as debris on the face of the evaporator), then it is subject to freezing. Other problems within the system should not cause the evaporator to freeze.
     
    windsmith, Aug 11, 2012
    windsmith, Aug 11, 2012
    #11
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  3. Aug 11, 2012 #12
    flc120

    flc120 Heavy Load Member

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    Jul 11, 2012
    Miami,FL (yeah i know :( )
    0
    well what it seems as if the system heater/ac box has a cover that doesnt perfectly seal the condensation dripping off evaporator correctly thus dripping off of cover onto the floor. what i ended up doing was cutting a thin piece of plastic and basically curving it aROUND evap core so that the drip would fall onto plastic forming a slide type of effect into the basin of the box. it started raining again i was going to get a coat hanger and go up thru the drip hose but this should seal it well along with metal DUCting tape which is real sticky all around box its compeltly sealed now.

    i know truck was dripping to the outside at a pretty good pace hopefully the problem is fixed.

    will keep you guys updated if its dry out tomorrow.
     
    flc120, Aug 11, 2012
    flc120, Aug 11, 2012
    #12
  4. Aug 30, 2013 #13
    CougFan

    CougFan Light Load Member

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    Dec 20, 2012
    0
    Sorry to bump a dead thread. My cascadia is doing the same thing, whats the best way to get condenser to clean it out?
     
    CougFan, Aug 30, 2013
    CougFan, Aug 30, 2013
    #13
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