Question about Hitachi EC12 Portable Electric 2hp Air Compressor, Oil Lubricated

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When stapeling it makes a strange ping noise

When im stapeling 1/4 in subfloor the compressor makes a strange ping noise but then it stops making noise when motor fires up again to build pressure.

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I talked to hatachi about this.as i had a customer that had the same problem.there tech support said that they have had a few of these do this. it is caused by some **** in side the tube connecting the two tanks when it was welded.they said over time it should stop as wares with time.will not harm anything but is extreamly irritating.The offer no solution. which is bull !!!!!!!!!!!

Posted on Dec 21, 2008

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Posted on Jan 02, 2017

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Hello Michael,
Thanks for your question, I hope I can help some. My answer is long winded but full of good info.
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I tried to locate for you information on a material that Whirlpool and Frigidaire as well as some others use as a noise deaden-er that they wrap around where the capillary tube enters the evaporator. I was not successful in locating anything. I am sorry I could not find it.
supertechks
Please don't forget to rate me

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