In my MH, I used the Interdynamics recharge bottle to recharge the A/C unit. Just fill it up until the gauge says it's full, allow it to stabilize for a few minutes, recheck refrigerant level. Since your MH already has R-134 in the system you don't need the second link product retrofit kit. In order to retrofit an A/C system, it first must be pumped out to remove all R-12 before the new-style ports may be installed. Few folks have that equipment on hand.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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