Would could cause my air rivet gun to explode?


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Old 02-24-21, 12:01 PM
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Unhappy Would could cause my air rivet gun to explode?

I was using Harbor Freight air rivet gun today which I just bought to rivet some metal studs (building an oven). And after about 10 rivets back part of it just blew off (I was lucky that I was wearing long sleeve jacket as it hit my forearm pretty painfully).

Was it something I did wrong or it just failed? I never used rivet gun before this, but I think I followed all instructions, filled cavity at the bottom of hydraulic oil (I used jack oil), used 90 PSI pressure and 3/16 rivets...
It always took two trigger squeeze's to pull rivet out... Going to buy a better one from amazon and return this to HB, but I'd like to find out if it was a user error...

 
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Old 02-24-21, 04:02 PM
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I was using Harbor Freight
hmmm, well I have, and always state, you get what you pay for!

I think I followed all instructions, filled cavity at the bottom of hydraulic oil (I used jack oil)
Think we caught you on this one!
 
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Old 02-24-21, 04:02 PM
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The specs call for 90psi air so you weren't over pressurizing it.
It looks like a defective casting in the threaded part of that cover.
 
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Old 02-24-21, 04:49 PM
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Possibly extreme cold. I've blown up a couple nail guns over the past 20 yrs. Always in winter, always very cold.
 
 

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