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11-06-2014, 09:21 PM #1
SAB 163 HF auto Vi - strange noise
Compressor is working on ammonia at -10*C/35*C
After general overhaul around 33000 working hours assembling of compressor was without any problem.
There is some wear on the bottom of the Vi slide (longitudinal scratches from iron supports within housing ... on capacity slide some small wear on the bottom and on the top ... other parts with some small scratches and in my opinion all like normal wear ...
There is a very loud noise like rattling coming out from compressor at capacitry around 45% til to 70% ... below and above this capacity range compressor sound is normal ...
Compressor is possible to rotate by hand very easy and smooth ...
Hope someone had similar experience and can help to solve this problem ...
Thanks for your time and effort ...
Best regards, Josip
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