GLAD to hear it worked out for you, but for future reference. by the time the sight glass is completely free of bubbles in a converted to R134 system it is OVERCHARGED due to the difference in how the original R12 and the conversion R134 "behave".
This is a known "FAQ" for converted mobile AC systems.
We all like all the cooling we can get, but for longevity being slightly UNDERCHARGED has worked out better in my experience.
Having a little less cooling from a system that continues to work is better than one that blows a hose or breaks a compressor, IMHO.
The lubricants that are used with R134 aren't as effective in older compressors originally designed for mineral oil and compressor life MAY be shorted, ESPECIALLY when "worked to the max".
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Today's Featured Article - Tractor Profile: Ferguson TO-20 - by Staff. When the infamous "Handshake Agreement" between Henry Ford and Harry Ferguson fell by the wayside (that's a story in itself), Harry Ferguson quickly set up manufacturing plants for a United States version of his English TE-20. The TO-20 was relatively the same as the TE-20 except utilized some different casting materials and had a US-style electrical system. The TO-20 was a dead ringer for the Ford 9N and 2N models and they say that Ferguson did this on purpose when the Handshake Agreement wen
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