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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Ammonia type refrigerator
mastic wrote: Does anyone out there have any info on diagnosing and repairing an RV, Ammonia type refrigerator? I have one that obviously has a small leak, (it stopped cooling and you can smell ammonia), and would like to see if I can repair it and recharge it. Maybe some links or something? Thanks in advance. Ammonia is quite corrosive, so once it has started leaking, there may be many more pinholes forming. As I understand it, there must also be Hydrogen in the system. When it develops a leak, the Hydrogen is going to escape very quickly through even the smallest hole. These things are called Arkla coolers, or Ammonia absorption chillers. That may give you some help in looking up info on it. note that Hydrogen and Ammonia are both flammable and can be explosive. Also, with all that still in the system, you can't just apply a torch to the tubes. Jon |
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