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Machinery Forum Re: air conditioner [ Expand ] [ View Follow Ups ] [ Post Followup ] [ Return to Forum ] Posted by kyhayman on March 09, 2004 at 18:30:02 from (68.71.38.244): In Reply to: air conditioner posted by steve on March 08, 2004 at 21:35:50: I bough a tractor that had had this done. A/C neverf worked right until I got an A/C tech to pull a vacuum on the system and then recharge. When you lose refridgerant air typically enters the system. Then you get bubbles. If you just dump R-134 in the system even if it is dry it still has air in it. The air remains a gas when the refridgerant compresses to a liquid and reduces effieciency, plus those air bubbles cause caitation in the compressor. The oil is ok but the lack of vacumm is a problem. Follow Ups: Post A Followup Name: E-Mail: Subject: Re: Re: air conditioner Comments: Optional Link URL: Link Title: Optional Image URL: Email Notification: If you check this box, email will be sent to you whenever someone replies to this message. Your email address must be entered above to receive notification. This notification will be cancelled automatically after 2 weeks.