Conversion of A/C system form R12 to R134a Retrofit:
Page 6
A13
Install expansion pip (orifice).
Install a new yellow lubricated O ring on the new expansion pipe. Compare
size on the new O ring with the old one so they are the correct dimension.
Install a lubricated O ring in the pipe joint at the firewall (or side
member).
Install expansion pipe (orifice).
Tighten the joint to the evaporator (or the side member) to 12 Nm (9
ft. lbs).
A14
Top up the oil level in the new receiver
Fill the receiver through the inlet side with ester
oil supplied in the conversion kit (200ml).
Note: If the compressor has been replaced and filled with ester oil
in previous steps, no additional ester oil is needed in the receiver.
A15
Remarks: On older cars without pipes for ETF/KRU valve;
Install pipes from Supplementary kit (1) PN 9134032-3 Finger tighten
against the receiver. Use lubricated O rings. Connect filling pipe (U pipe)
using a new lubricated O-ring
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