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  1. Join Date
    Mar 2006
    Posts
    607
    #11
    the best jan para makasigurado gumamit ng weighing scale para precise ang charging .

    pag medyo luma na ang compressor , mas maganda kung undercharged ng 10% para may protection .

  2. Join Date
    Aug 2009
    Posts
    31
    #12
    para malaman mo kung tama na freon charge ng ac mo dapat may manifold gauge ka at alam mo din bumasa o gumamit nito, wag ka maniniwala sa bubbles sa sight glass ng filter drier depende din kasi sa kakayahan ng condenser mo kung kaya nya macondense lahat ng freon na ikinarga mo pangalawa pa rito kung may moisture ang system

  3. Join Date
    Jan 2005
    Posts
    1,419
    #13
    sa service manual ng civic meron itong chart, kailangan i plot mo ang air trmp sa humidity at dito mo makukuha ang dapat na output temp, high pressure port (psi), and low pressure port (psi). noong nag paservice ako ng aircon ginamit ko ito, tama naman ang mga reading kaya satisfied ako.

  4. Join Date
    Feb 2009
    Posts
    5,130
    #14
    Quote Originally Posted by jick.cejoco View Post
    dcarlo,
    although some third world countries still use R12 dichlorodifluromethane(freon r), the earth friendly refrigerant replacement is R134a. if you still have the sight glass on your system, do not use it as a basis for checking if you have the right amount of charge. the sight glass checks are long gone. if your airconditioning system or climate control only uses sight glass if it were an expansion valve type and that it uses freon r. if it uses R143a, the sightglass is no longer built into the receiver/drier. if your system is of the orifice type, i will not have a sight glass. your technical expert should have the table for refrigerant charge for different cars converted to R143a system and that he must know the pressure specs and must know the pressure/temperature chart. otherwise he is guessing. you might be paying him to be a manghuhula and not as a climate control technician.
    jick
    certified auto
    guam


    if you are not sure about the knowledge, diagnostic skills and repair skills of your "mechanic", go to a trained and certified technician who is equipped and has the experience

  5. Join Date
    Feb 2005
    Posts
    120
    #15
    Dapat yong tamang tama yong freon mailalagay. may ilang gumagawa. tinitingnan yong bubbles sa sight glass ng filter drier. Kasi doon tinitingan, sira yata gauge nila.

  6. Join Date
    Mar 2006
    Posts
    607
    #16
    manifold gauge can't measure the amount of refrigerant in the system .

    only weighing scale does .

    ac machines equipped with weighing scale will do the right job .

  7. Join Date
    Nov 2005
    Posts
    57
    #17
    mga sir anu kaya blema ng oto ko? hilaw ang lamig nya hindi nalamig buo sakyan? wala ako makita glass para sa freon and hindi na nagpapawis ung parang capsule shape...dati kase nagpapawis un na malamig ngaun hindi na even patakbuhin ko sakyan ng 3kls....ty!

  8. Join Date
    Nov 2005
    Posts
    57
    #18
    it was a ford explorer sporttrac 2001 by the way........

  9. Join Date
    Feb 2009
    Posts
    5,130
    #19
    Quote Originally Posted by mechanixx View Post
    it was a ford explorer sporttrac 2001 by the way........


    mechanix,
    your system is closed circuit orifice type. on an evaporator type, the capsule looking thingy or the drier is a RECEIVER/DRIER and is installed in the high side, this capsule thingy is going to be hot because of the hight pressure and of course high temperature; your system is orifice type and the ACCUMULATOR/DRIER is in the low side hence it will be cold and since it is on the low side, the refrigerant will be in a cold gaseous stage where if you were to see it, will be bubbly.
    jick

  10. Join Date
    Nov 2005
    Posts
    57
    #20
    panu ba malalaman eh wala glass ako makita and talaga bang nauubos ang freon kahit wala leak or mauubus lang pag may leak?dati malamig un capsule eh nagpapawis pa pag hinawakan ko ngaun wala na...pero may natulo pa rin na tubig sa ilalim na malamig...pero ung buga nya pag naandar lang nalamig pero hindi na nya kaya palamigin buo sakyan even sagad termo.......

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puno ang freon