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Oil servicing question

Mr. D on Thu February 14, 2008 6:04 PM User is offline

I drained the oil out of a rebuilt pump and installed it without adding oil. I now have a closed system that is tight and vac's down to 30 in hg, can I just add the correct amount of oil through the servicing hose?

iceman2555 on Thu February 14, 2008 6:51 PM User is offlineView users profile

If it were my vehicle, open the system and add the correct lube to the compressor and also to the accumulator (if equipped). Adding the entire amount of lube into the compressor body may result in possible compressor damage. Lubrication is so very important to the compressor at start up...esp if fillng by cans and allowing the compressor to function as a 'suction pump' to draw refrigeant into the system. It would be very easy to cause severe problems starting the compressor in an almost 'dry' condition.
Why take the short cut.....take the time to insure proper lubricate to the compressor.

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The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government.
Thomas Jefferson

Mr. D on Fri February 15, 2008 7:55 AM User is offline

Thanks Iceman

Do I need to service the compressor through the drain plug or can I service it through the ports on the compressor? Reason I ask is that I would perfer not to pull the compressor back off the car if I can get around that. It's a PITA to remove (65 Vette).

Dennis

iceman2555 on Fri February 15, 2008 5:02 PM User is offlineView users profile

Ahh....the trusted A6.....great compressor....last forever.....easy to rebuild....a new shaft seal.....and a can of black spray paint....(that was meant as a joke). This was a great compressor.....too bad it weighed a ton....and took gobs of HP to operate.....
Sorry to say...expect to remove the compressor...unless sufficient lube can be added thru the drain...perhaps with a squirt can or something. Just be sure to get the darn thing lubed prior to operation.
Are you staying with 12 or using 134a.
If a decision has not been made...stay with 12 and mineral lube....think you will be much happier in the long run.

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The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government.
Thomas Jefferson

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