ltlvt
Senior Member
Posts: 1584
Age: 61
Loc: Wichita Falls Texas USA
Reg: 09-17-00
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06-18-12 02:25 PM - Post#2238821
Im getting ready to convert my 88 over to 134-a. How much PAG oil do I need to put back in the compressor? Thanks Terry 
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Allan In NE
Contributor
Posts: 921
Reg: 12-27-11
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06-18-12 06:47 PM - Post#2238919
In response to ltlvt
Total system 12 oz.
Allan
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rockfangd
Contributor
Posts: 584
Age: 27
Loc: Utica ny
Reg: 04-13-10
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06-18-12 11:22 PM - Post#2238981
In response to Allan In NE
typical rule of thumb. I have always gone by.
add .50 oz pag oil more than what has been removed.
If nothing has been removed then I would only add .50 oz.
Each component has a amount of pag oil present. It doesnt take much
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 someotherguy
Moderator
Posts: 23555
Age: 43
Loc: Texas
Reg: 08-01-03
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06-19-12 05:13 AM - Post#2239020
In response to Allan In NE
Total system 12 oz.
Allan
Terry, it's worth pointing out that the "total" figure would presume you have fully flushed the system. Oil is hanging out throughout the system; what you removed from the compressor is only a portion of the total oil.
Since you're converting you'll want to have completely flushed it out anyhow, replace the accumulator, and orifice tube as well.
Richard
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