I have just replaced my old York compressor with a Sanden, which has 10cc displacement less than the York. There is now about 10" less in hose lengths and I am still using R12 as well. The MBZ maximum is 1.2 kg of R12 with original configuation.

I now have a completely evacuated system, 1.9 kg of R12 available for charging, and no pressure gauges.

My question is: Can I still use the 1.2 kg as a max weight?

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