add a can of compressor oil and some R134a, get it running then

来源: 于 2013-02-27 21:17:30 [旧帖] [给我悄悄话] 本文已被阅读：次

If the system has opened to the atmosphere, you have to evacuate the system first, meaning vacumme the system, suck out the air inside. You might have to have shop to do that if you don't have vacumm pump.