And if you're converting, the new oil you put in should be ester oil.
 It's compatible with 134a and will dissolve the remnants of the mineral
oil.
Use new O-rings at any connections you open.

Larry A.

David Bohannan wrote:

> And if you are going to do the work yourself, replace the
> accumulator/drier...if remnants of the old oil are in there it can
> plug up
> and cause a hose to bubble almost to point of bursting...ask me how I
> know...
>
> Dave
>
> On 6/13/06, Roger Sisler <rogersisler2000@yahoo.com> wrote:
>
>>
>> Check your blue "relase" valve. The threads should be on the inside
>> of the
>> stem. Not on the outside. The outside should be smooth. It is for a
>> quick
>> release attachment. Not threads.
>> If it is smooth, you R in luck. Your system is 134a. From your symptoms,
>> you are low on 134a refrigerant. A trip to Advance Auto Parts for a
>> can of
>> 134a and a charging hose is in order. About $30.
>>
>> It needs major work to be converted.Remove and drain the oil from the
>> compressor. Backflush all the lines(50 ft),Add new oil to the compressor
>> and lines,Put a vaccum pump on it for a few hours, and fill with
>> 134a.This
>> is the miniumum to convert it.
>>
>
>
>
> --
> Dave - KC9FYM
> http://fjazzbass.blogspot.com
>