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23rd April 2018, 12:46 PM #1SENIOR MEMBER
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Help with a Compressor problem...
As a relative metalwork "virgin" I'm seeking assistance in Perth WA...
The story so far...
Thought my Ryobi Airwave compressor could do with a second Nitto Outlet. When I screwed it in the cheapass Aluminium casting split.
Excellent chance to upgrade I thought...
Mapped out how I could swap all the pieces over to brass fittings...
But, when attempting to unscrew fron the tank, the aluminium snapped, flush with the steel take off, due to the thread sealant used, I'm pretty confident...so now I have a problem.
Thoughts are that I can drill out most of the aluminium with the appropriate drill and the use a tap (20mm I'm pretty sure) to clean out the threads...but not having done before...can anyone here with more experience assist?
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23rd April 2018, 12:51 PM #2GOLD MEMBER
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An "Easy Out" should solve the problem.
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23rd April 2018, 02:01 PM #3SENIOR MEMBER
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Hey rustynail,
Thanks for the reply.. I'm pretty confident that's not an option as the threat sealant is rock hard. As in "bash the remaning piece in a circular motion with a hammer and punch, to no effect" type stuck..
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23rd April 2018, 02:13 PM #4
Blast it with a torch or heat gun for a while. Many thread lockers give up the ghost that way. Then use the easy-out.
Cheers,
JoeOf course truth is stranger than fiction.
Fiction has to make sense. - Mark Twain
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23rd April 2018, 02:19 PM #5SENIOR MEMBER
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The frustrating thing with your situation is the alum fittings may be too soft for an "easy out" to work properly. Particularly if the thread sealant used has been generously applied.
I'd attempt to remove it with the following steps
1) Heat up the takeoff and try Easy out
2) Try to attach bolt/pole that will allow you to unscrew the fitting, eg threading the alum fitting and epoxy a bolt to the fitting, give it a few gently blows with a hammer before you epoxy the bolt to see if it'll break the thread sealant
3) Drill out as much alum as you can and do your approach
4) Get a new compressor as you've wasted enough time on the cheapo compressor... or you can skip 1-3 give the aggravation a miss and buy a new toy.
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23rd April 2018, 02:31 PM #6
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23rd April 2018, 03:32 PM #7.
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David, I have easy outs and NPT/BSP taps you can borrow if you have to drill it out.
I also may be driving down to Pinjarra later this week if we can get our car back from the panel beater's
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23rd April 2018, 03:46 PM #8SENIOR MEMBER
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23rd April 2018, 03:50 PM #9SENIOR MEMBER
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Hey BobL,
I commute to work in Burswood each day...and can travel at lunchtime... Not sure if that's of use?
Heat could be a good idea? But knowing how hard I turned it before it snapped I'm thinking to go whole hog and drill & tap at the outset...as others have said, enough time...
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23rd April 2018, 04:14 PM #10.
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23rd April 2018, 09:51 PM #11
If all else fails, time for a new compressor. Think of the swarf and other crud that might get into the tank and be hard to remove, only to come out the air line at an unexpected time.
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24th April 2018, 11:01 AM #12SENIOR MEMBER
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Yep, thinking a rinse out with something (?) will be a must... not sure what though. I hesitate to splash out on a new one, I've only had this about 8 months. It's done a bit of work, but still only 8 months..
Many thanks to BobL. I dove past his place yesterday arvo and he generously lent me a couple of taps with matching drill and the handle... Thanks BobL... and long live the Forum!
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24th April 2018, 12:44 PM #13.
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I hope they work for you Dave
When I had to do a similar thing to an old compressor I just used turps. I used a near full 4L bottle and poured the whole lot into the tank - swished it around and tipped it out. Left the metal bits and watery/oily sludge settle and decanted off the clear turps and repeated that a couple of times till I could see nothing. There was almost certainly a bit of compressor oil transferred into the turps but it was still more than good enough to clean paint brushes etc so it was not wasted.
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27th April 2018, 04:29 PM #14SENIOR MEMBER
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So,
I need to use the 1/2 inch tap, or at least the one labelled that, that I was lent by BobL... Still no idea how the sizes work, BUT I do know it's a LOT bigger that 1/2 inch.
Looking at drill size I need a 45/64ths, and can find nobody that stocks one in WA. Ideas?
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27th April 2018, 04:35 PM #15GOLD MEMBER
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