Re: A/C -- risk of running dry
Reply #3 –
Yahoo Message Number: 116293
Tom - I'll second the advice to exercise the OTR AC, once you get it recharged and if needed any seals replaced.
We just do this every time we take the coach out for exercise, when not traveling. Try to do it every 4 weeks, but it has slipped to 6 weeks from time to time. We have a normal route we run, a little of an hour. Fire up the generator and Hydro Hot (Diesel) before pulling the coach out. The drive at highway speeds with the Generator running both Roof Top AC's for at least 15 minutes. (If it's cold outside, we then shift to rear AC heat pump, to keep medium load on the generator for the balance of the coach exercise period.) We also run both heat zones, we have two fed from the Hydro Hot, too - to keep the registers from dunking up. And to exercise those pumps from the Hydro Hot. And yep, we run the OTR AC too. All of this is to keep everything well lubricated, and as mentioned, seals moist, and generator coils dry, tires at temp, etc., etc.
Good luck on fixing the OTR AC... I'll share one more tip on that. Our OTR AC stopped working on a trip to Santa Fe, NM. We started to debug it, and had no luck. Fan would come on, but no cool air. I had another owner suggest I confirm the engine's AC compressor was kicking in. So went to the back, opened the rear hatch, and had the DW turn on the OTR AC. No engagement of the AC Compressor, thus, no coolant feed/cool air. Another poster shared that they had had a wire feed to the compressor compromised, and suggested I check it. I found that when Cummins had been working on my engine, they had disconnected the wire to the Compressor (In the back/well front I suppose. Anyways facing the front of the coach side of teh Compressor. Had to use a mirror and flash light to examine.). And when the connected it back up, they had not slide up the rubber gasket like sleeve that helps hold it on. So cleaned the connections well, slide connection back on, and then slide the rubber sleeve protector gasket thing-a-ma-jig over it. And we had cool OTR AC again. This is only pertinent if you are not feeling any cool air. Though remember you have lines back on the rear of the coach too, which could have leak points as well as the lines up in the front of the coach.
Please let us know what you find out,
Smitty
04 Allure 31017