[DML] Re: A/C Oil Quantity?

["Harold McElraft" <hmcelraft@xxxxxxx>]

The sankyo(sanden) compressor is a big compressor (10 cubic in) The 
compressor should have at least 7 but not more than 10 oz of oil in 
the system. In a dry system I use 9 oz of oil because of the extremely 
long lines and a large amount of freon. The accumulator will hold 
excess oil as long as you don't have too much. I put half in the 
compressor and half in the accumulator to start a dry system.

R-12 calls for mineral/500 oil, with 134a you should use PAG/100 
(Synthetic). The orifice tube is the same - be sure to put in a new 
one and always use a new accumulator when the system has been broken 
down and exposed to air. R-12 use 2.25 - 2.5 lbs of freon; R-134a use 
90 percent of that. pressures with 134a will be about 5-10 percent 
higher.

Harold McElraft - 3354



--- In dmcnews@xxxxxxxxxxxxxxx, "Stephen Card" <stephen@xxxx> wrote:
> I have read the posted proceedure on dmcnews.com regarding 
converting 
> the a/c system. However, it doesn't give a specific quantity for the 
> oil. I have not been able to locate a specific quantity in the 
> workshoop manual either.
> If the system and compressor are fully emptied/flushed, and the 
> drier/accumulator replaced, what is the correct amount of oil to use 
> in the compressor and also to "pre-fill" the drier/accumulator? Can 
I 
> also assume it will be the same for either 134A or R12?
> Thanks,
> Stephen
> Vin 3601







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