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In this video I tear down one of my favorite IR Thunder Guns 1/2" Impacts that I have had since the beginning of my career. The anvil has seen better times and needs replaced. Oddly enough Astro Tools saw this in one of my videos and kindly sent me a replacement for it. It's easy to see in the video I am no "Impact Expert," heck I even have to tear it apart when I am done to put the gaskets back in, in the right order. The good news is, the old gun gets to live to die another day. -Enjoy!
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46 thoughts on “What’s inside: 1/2 air impact edition”
  1. Avataaar/Circle Created with python_avatars Theodore John Kaczynski says:

    I've got my trusty ir 231 model a I got from my neighbor whos an ex fleet mechanic for the power company. Data plate is complete wiped out from him using the back of it as a hammer. I only know it's a 231 because he gave me the gun in the original box and had the receipt from sears from the early 80s. I'm a forklift technician so I use it a bunch for busting 15/16 carriage bolts and 1 1/4 wheel nuts. It's never been taken apart to my knowledge and I've only ever sprayed chain lube down the hole for some peace of mind. It recently went head to head with my coworkers 600 Mac impact and it but up a fair fight. We came to the conclusion that if my gun wasn't 40 years old it probably would of been just as powerful as he's 1400 something foot pound mac gun.

  2. Avataaar/Circle Created with python_avatars Robert says:

    Very entertaining and you’re very down to earth guy!

  3. Avataaar/Circle Created with python_avatars Richard Jones says:

    Brilliant as usual.

  4. Avataaar/Circle Created with python_avatars red7fifty says:

    Heat the case?

  5. Avataaar/Circle Created with python_avatars J. Hart says:

    Very nice to know, thank you.

  6. Avataaar/Circle Created with python_avatars paul ellis says:

    this is why we have bigger hammers, just go ahead an force it

  7. Avataaar/Circle Created with python_avatars paul ellis says:

    your going to have to box it up an send it end

  8. Avataaar/Circle Created with python_avatars paul ellis says:

    change the wear pattern an it will not have the power

  9. Avataaar/Circle Created with python_avatars paul ellis says:

    funny where the ball bearing have gone

  10. Avataaar/Circle Created with python_avatars paul ellis says:

    keep this up an you will need a new one

  11. Avataaar/Circle Created with python_avatars Boomer Taylor says:

    You forgot to throw a little oil on the cross bolt (direction change bolt/part/piece) to help free it's motion. Made a big difference when I did mine, don't shove grease in there, it'll find it's way in eventually but, some tool oil on either side while it's all apart will make you happy. 😀
    The secret is to not remove the vane housing/motor in the first place. 😆 Just flush it with brake cleaner/solvent until it runs clear, spin it around, etc. until it's reasonably clean because, when you re-lube everything after disassembly and cleaning, you just shoot some grease in the back fitting with a mini grease gun, as that rear grease port's whole job is making sure that bearing gets greased, since you can't grease it from "the front" when you disassemble the tool for its routine maintenance (every 48hrs of run time), as you're doing here, sans beating the tool to death to remove a part that only comes out if that bearing goes bad, which only happens if you don't grease it regularly through that rear grease port. <deeeep, wheezy breath> 😆

    The way that part comes out is with a special puller that reaches in, like a bearing puller, hooks under the vane housing and you pull straight out. There's a small slide hammer type tool for little jobs like that. Finding one is another matter. 😀

  12. Avataaar/Circle Created with python_avatars Boomer Taylor says:

    I used to fix tools and compressors for a living, it's definitely an un-sung profession. lol. Leave it to ASTRO and do something "fun, exciting and rewarding!" 😆

    (Do you need us to buy you a hammer??) 😉

  13. Avataaar/Circle Created with python_avatars Robin Sattahip says:

    When you don't need to take it apart and it stops being fun, it's time to stop.

  14. Avataaar/Circle Created with python_avatars Oskar Bud says:

    Nothing is more fun (to the mechanically minded) than disassembling something you know nothing about and having it work better when reassembled.

  15. Avataaar/Circle Created with python_avatars Jonathan Moore says:

    I’ve rebuilt them yet I watched 😂

  16. Avataaar/Circle Created with python_avatars Sue & ED Duffy says:

    Found a new way to chop wood, did ya?

  17. Avataaar/Circle Created with python_avatars Latimer the Evil Bunny Rabbit Supremacist says:

    Hands Down – the all-time best SMA episode ever!

  18. Avataaar/Circle Created with python_avatars Tom Sawyer says:

    Use silicon based grease , not wheel grease. Petroleum based grease can (in special circumstances) cause ignition when mixed with oxygen under high pressure. We do not want an episode called exploding impact wrench.

  19. Avataaar/Circle Created with python_avatars Michael Dunagan says:

    I never heard ir saw grease being out inside a pneumatic impact gun.

    I just use air tool oil in my Chicago Pnuematic and no problems for this occasional garage mechanic–after I bought a 20-gallon air tank. Air hog 15 CFM average 3.75 CFM. Do not bother with a Pnuematic tool on an eight gallon or less tank; you will spend more time waiting to build air than wirking on tiur project.

  20. Avataaar/Circle Created with python_avatars Danny Bowen says:

    Press it in

  21. Avataaar/Circle Created with python_avatars Dean Landry says:

    Build them for years they tight .

  22. Avataaar/Circle Created with python_avatars pricey0986 says:

    Good job you were filming the dismantling if you forget how to put it back together

  23. Avataaar/Circle Created with python_avatars UpNorth says:

    No grease in and on the hammers? You savage you.

  24. Avataaar/Circle Created with python_avatars UpNorth says:

    No grease in and on the hammers? You savage you.

  25. Avataaar/Circle Created with python_avatars James says:

    You should make sarcastic Binford jokes.

  26. Avataaar/Circle Created with python_avatars James says:

    MORE POWER UHH UHH UHH UHH

  27. Avataaar/Circle Created with python_avatars Bob Marsden says:

    Hollow shaft shock is probably the way that they fill it with oil and charge it as most all the other ones they have it in the bottom tank is a little well dip wall hanging on there this probably weld it shut after they fill it

  28. Avataaar/Circle Created with python_avatars daddyphatsax304 says:

    You forgot to yell "TIME!!" =)

  29. Avataaar/Circle Created with python_avatars Efrem Williams says:

    It's an IR. Got a part and serial #, there's probably a rebuild kit available

  30. Avataaar/Circle Created with python_avatars northislandnavalbase says:

    Send it to Abomb 79

  31. Avataaar/Circle Created with python_avatars NRP1991 says:

    Hahaha I absolutely love this guy 😂 from being over oiled lol

  32. Avataaar/Circle Created with python_avatars Hola! Bill Malec says:

    AvE has competition 😁
    "Time!"
    Didn't even have to cuss out the camera!

  33. Avataaar/Circle Created with python_avatars Shane Harrison says:

    Ya think theres some a you know

  34. Avataaar/Circle Created with python_avatars R Guy says:

    Rebuilt many of those! Worked for a company that used those impacts on their production plastic molding machines to pull the molds apart. 48 1” bolts every 7 minutes! But that was 40 years ago, and they look the same! Great tool!

  35. Avataaar/Circle Created with python_avatars douglas ledford says:

    Lol maybe astro will give a job and u start beating on it like a savage

  36. Avataaar/Circle Created with python_avatars Dano B says:

    I never knew a impact uses a vane pump, just like a transmission pump. Interesting no wonder they wear out with plastic vanes…

  37. Avataaar/Circle Created with python_avatars Dan R says:

    I'm thinking with the anvil that bad, it may have wrecked the sockets… which will wreck the new anvil. Don't they say on the tool to oil daily?

  38. Avataaar/Circle Created with python_avatars Sharpeyed Watcher says:

    Warm the housing or freeze the rotor? Or both.

  39. Avataaar/Circle Created with python_avatars 7curiogeo says:

    And all these years I thought I was the only guy took stuff apart to "fix" it and well just kept going.
    And was amazed when it worked after I got it back together.
    The thrill of those oh crap why did I do that moments.

  40. Avataaar/Circle Created with python_avatars planetrob555 says:

    AvE?

  41. Avataaar/Circle Created with python_avatars fomoco300k says:

    Well, at least you’ve got that gig in Avoca if Astro passes on your amazing rebuilding skills.

  42. Avataaar/Circle Created with python_avatars douglas peck says:

    will someone send him some hammers?

  43. Avataaar/Circle Created with python_avatars Rick Bates says:

    Love the get in there and give it a go and explore how the tool works and can be disassembled … just awesome! I'll look this one up when I need to service mine.

  44. Avataaar/Circle Created with python_avatars Lilly Gio says:

    great job for 1st time .i have one when i fist starter too overhaul couple years ago still working but i now bought a nitro cat i will not go back so much power & so light i'm a gm tech for 33 years