What I'm about to say might raise some hackles,maybe yours or maybe not but there's far too many sore toes around to avoid stepping on them from time to time. This thread could easily serve as poster child on how not to get things done. Right out of the box op asks for information he can pass along to someone he has hired. I can't explain all the reasons why this wrong but no professional in any field wants to hear what some joker on the web said. Most said what the issue is but never said how to prove or eliminate that issue. The same opinion of issue was repeated even though op had already assured that had been eliminated. The first day op posted and gave a few symptoms,someone said "If what you said is accurate (100% of first charge was still in system when evacuated and recharged) the only thing that makes sense is admittedly far fetched but here gos. If high pressure side has over pressure protection,therein could lie the answer." To my knowledge the suggested tests were never done but 2 weeks later,a part replacement and another evac & recharge it became obvious. When you consider that he said "the only thing that makes sense" and gave simple instructions for testing rather than just blurting out a possible issue and leaving it at that,you might think the guy was serious. Which brings use to sitting here over 2 weeks later "running in circles". If you think the guy just made a lucky guess,maybe he could be convinced to try his hand again. If you think the guy might apply common sense,a little science and experience to troubleshoot instead of randomly guessing,maybe look there for a path forward from here.
Right now we have about 3.2 lbs in it. Now for the sight glass in the top of the drier. My drier is located right after the condenser, maybe about a foot of hose between it and the condenser. If you are asking (cbg8670) does the glass show on the inflow side or the out flow side that i am not sure, i think i would have to take it apart to confirm if you are viewing the inlet flow or the outlet flow. And are you suggesting to start the tractor and idle and watch or start the tractor and increase to 1500 rpm and watch the sight glass?
Thanks Jaxs, first i have not being using what i have gotten off this forum with my shop repair guy. He has done what he felt he would do with what he has seen on his testing. And the few times he had done the repair, and ran the tractor the system was working as normal and that was again proven by me using my own gauges. So i am not bashing him. This guy knows me and understands that i don't have endless cash to throw at this issue. We have both agreed that so far the repairs where needed. ie the old compressor was leaking, so a new one was required and with that a new drier. The system was then charged to the manual level of 134a to 2.78 lbs, and was working when i pick it up. Once it start to cycle, he felt that the gas charge was too light. Branson informed us that 3.5lbs was the correct amount. After that charge and it failed my Branson dealer suggested that we replace the expansion value, which is a cheap part but requires the system pumped down so more cost. Then we back off a bit on the refill to 3.2 lbs. At this point i throw in the towel, as now over 2K into the repair i was not any further along. So before i ask them to again test the system, i was just wanting to educate myself as to what the next sort of step would be. I was burned before on this tractor when my dealer started to repair a noise in the front drive axle with break downs and rebuilds only to find out after all the work, that the problem was in the rear diff when the pinion nut worked it way off the shaft and the problem showed as a hop in the right front tire when in forward only. So right now, i am just looking to see what i can learn. And most likely my next step is to just drop the tractor off at either my garage or the Branson dealer let them go at it. And true, not everyone has good information, but most are trying to be helpful on this forum and it make for interesting reading. Cheers
Where is the high side hose attached? Between compressor and condenser or condenser and drier. I'm asking to try help determine where blockage could be. Earlier u said it would quit after "x" amount of time while operating assuming at higher rpm all that time.
