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Pneumatic impact wrench question

  1. #1
    Posting Freak jeantarrou's Avatar
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    Pneumatic impact wrench question


    So I grabbed one of the Harbor Freight impact wrenches, FWIW it's the compact EARTHQUAKE XT

    Anyway, the thing can't loosen a lug nut, with a claimed 700ft/lbs of torque shouldn't lug nuts be a breeze? Maybe it's my compressor that's the weak link, Craftsman 1HP, 12,gal, 125psi max.

    Thoughts?

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  2. #2
    Permanent N00b -Dutch-'s Avatar
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    Re: Pneumatic impact wrench question

    Step on a breaker bar.

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  3. #3
    Posting Freak jeantarrou's Avatar
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    Re: Pneumatic impact wrench question

    Quote Originally Posted by -Dutch- View Post
    Step on a breaker bar.
    Dude, I'm wicked strong, don't even need a breaker bar, I just want the convenience of zipping them off with an impact gun.

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  4. #4
    Permanent N00b -Dutch-'s Avatar
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    Re: Pneumatic impact wrench question


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  5. #5
    Lifer zxme's Avatar
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    Re: Pneumatic impact wrench question

    125 maybe but do you have a gauge on it? also change air fitting to bigger size, helps a ton

    My Fav impact is this one-->20V Max Lithium 1/2 in. Cordless Xtreme Torque Impact Wrench Kit
    1/2 in. Composite Xtreme Torque Air Impact Wrench
    And only Air I like from them^^^

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    Last edited by zxme; 10-12-17 at 06:59 PM.

  6. #6
    Permanent N00b -Dutch-'s Avatar
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    Re: Pneumatic impact wrench question

    Damn, 1200 ft/lbs on a cordless? I've been pretty happy with my 300 ft/lb Ryobi all this time.

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  7. #7
    Rookie Rada's Avatar
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    Re: Pneumatic impact wrench question

    Air flow is key. If you can't deliver enough volume of air you won't make any power. You need a 3/8" hose and preferably a bigger than normal disconnect

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  8. #8
    Angry Gumball RandyO's Avatar
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    Re: Pneumatic impact wrench question

    bigger impact, Ingersoll Rand 1350 ft lb.........or a breaker bar and a length of pipe

    by chance are you tryin to remove a left hand thread lug nut from an old Mopar

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  9. #9
    Posting Freak jeantarrou's Avatar
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    Re: Pneumatic impact wrench question

    Quote Originally Posted by zxme View Post
    125 maybe but do you have a gauge on it? also change air fitting to bigger size, helps a ton

    My Fav impact is this one-->20V Max Lithium 1/2 in. Cordless Xtreme Torque Impact Wrench Kit
    1/2 in. Composite Xtreme Torque Air Impact Wrench
    And only Air I like from them^^^
    It does have a gauge on it, and the tool says 90psi max, which I'm keeping it at. I'll check out the fittings. And that Harbor Freight wrench you linked, this is the same exact one but just the "compact" version, 700ft/lbs of torque instead of ~1100.

    Quote Originally Posted by -Dutch- View Post
    LOL

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  10. #10
    Posting Freak jeantarrou's Avatar
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    Re: Pneumatic impact wrench question

    Quote Originally Posted by RandyO View Post
    bigger impact, Ingersoll Rand 1350 ft lb.........or a breaker bar and a length of pipe

    by chance are you tryin to remove a left hand thread lug nut from an old Mopar
    As already stated, not a strength issue, MY BICEPS ARE HUUUUUUGE, and not a stupid idiot thing, lefty loosey on the Bimmer. But in a seriousness, I am suspecting that this particular wrench just can't hack it and I gotta step up.

    Quote Originally Posted by Rada View Post
    Air flow is key. If you can't deliver enough volume of air you won't make any power. You need a 3/8" hose and preferably a bigger than normal disconnect
    I have a 3/8" hose, gotta check on the fittings though.

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  11. #11
    Permanent N00b -Dutch-'s Avatar
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    Re: Pneumatic impact wrench question

    Be honest. How many wheel studs have you snapped while finger-tightening? Also, please don't steal my girl.

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  12. #12
    Lifer jasnmar's Avatar
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    Re: Pneumatic impact wrench question



    Is it skookum? You decide...

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  13. #13
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    Re: Pneumatic impact wrench question

    Quote Originally Posted by jasnmar View Post


    Is it skookum? You decide...
    He does one on the air gun version too which is probably more relevant. And if I remember right, his conclusion is that it is decent. And I thought in general, the Earthquake has a good reputation with the DIY crowd.

    *Anyone who is new to his videos, he has a very critical eye and a bit of snobbery-standards that appear to come from being used to commercial-grade gear. Basically, he prefers quality as a matter of principle more than practicality.

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    Last edited by aldend123; 10-12-17 at 07:37 PM.
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    Angry Gumball RandyO's Avatar
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    Re: Pneumatic impact wrench question

    Quote Originally Posted by jeantarrou View Post
    As already stated, not a strength issue, MY BICEPS ARE HUUUUUUGE, and not a stupid idiot thing, lefty loosey on the Bimmer. But in a seriousness, I am suspecting that this particular wrench just can't hack it and I gotta step up.



    I have a 3/8" hose, gotta check on the fittings though.

    bimmer......lug bolts ?

    I remember once, a VW Vanagon lug bolts in front, studs & lug nuts in the rear iirc (may have been vice vesa) I was just changing my winter tires over with my 4 way, a couple of stubborn ones I had to get out my breaker bar, till I found one, it was a bolt, had it been a nut, I could have applied heat more effectively, anyhow, didn't break the lug bolt, I broke the breaker bar. (that it another whole story) Later in the day, I met with a client on other business, small talk brought us to my lug bolt predicament, he invited me down to spin it off one way or the other with one of his 1" drive impacts, it spun it out like it was just put on finger tight, I was really afraid it was going to twist it off

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    Lifer jasnmar's Avatar
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    Re: Pneumatic impact wrench question

    Quote Originally Posted by aldend123 View Post
    He does one on the air gun version too which is probably more relevant. And if I remember right, his conclusion is that it is decent. And I thought in general, the Earthquake has a good reputation with the DIY crowd.

    *Anyone who is new to his videos, he has a very critical eye and a bit of snobbery-standards that appear to come from being used to commercial-grade gear. Basically, he prefers quality as a matter of principle more than practicality.
    Thanks. Quick mobile search got me the wrong one.

    He's a bit abrasive at first, but is actually quite knowledgeable with a very unique style.

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  16. #16
    Lifer golden chicken's Avatar
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    Re: Pneumatic impact wrench question

    Set your compressor up so it delivers 90 psi while your gun is running, not static.

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  17. #17
    Lifer jasnmar's Avatar
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    Re: Pneumatic impact wrench question

    And ideally 90 psi at the working end, not at the compressor.

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  18. #18
    Posting Freak jeantarrou's Avatar
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    Re: Pneumatic impact wrench question

    Quote Originally Posted by golden chicken View Post
    Set your compressor up so it delivers 90 psi while your gun is running, not static.
    Hmm, ok, I'll give that a try.

    Quote Originally Posted by -Dutch- View Post
    Be honest. How many wheel studs have you snapped while finger-tightening? Also, please don't steal my girl.


    And no more girls, please, a wife, ex-wife and three daughters is enough!

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  19. #19
    Permanent N00b -Dutch-'s Avatar
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    Re: Pneumatic impact wrench question

    I showed my girl this thread and now she wants your number. You're screwed.

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  20. #20
    Posting Freak jeantarrou's Avatar
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    Re: Pneumatic impact wrench question

    Quote Originally Posted by -Dutch- View Post
    I showed my girl this thread and now she wants your number. You're screwed.
    Pics?

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  21. #21
    Your Father csmutty's Avatar
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    Re: Pneumatic impact wrench question

    I have the earthquake xt. Loosens up lug nuts at the lowest power sitting. Sounds like your compressor sucks. Gun doesn't work until there's over 90psi.

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  22. #22
    Permanent N00b -Dutch-'s Avatar
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    Re: Pneumatic impact wrench question

    Quote Originally Posted by jeantarrou View Post
    Pics?
    Best date ever.

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  23. #23
    Lifer Falko's Avatar
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    Re: Pneumatic impact wrench question

    I've found the regulators on cheaper compressors are a huge pinch point. Your tank gets charged to the on/off pressure the compressor cycles to, then the regulator goes directly to the hose. Most of those regulators are small and do not flow as much as a lot of air tools require.

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  24. #24
    TRACK RAT!!!!! Pigman's Avatar
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    Re: Pneumatic impact wrench question

    I have 2 BMW's and the same issue.......the XT can't blow off the studs FML

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  25. #25
    Lifer snwbrdr435's Avatar
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    Re: Pneumatic impact wrench question

    Quote Originally Posted by RandyO View Post
    bimmer......lug bolts ?

    I remember once, a VW Vanagon lug bolts in front, studs & lug nuts in the rear iirc (may have been vice vesa) I was just changing my winter tires over with my 4 way, a couple of stubborn ones I had to get out my breaker bar, till I found one, it was a bolt, had it been a nut, I could have applied heat more effectively, anyhow, didn't break the lug bolt, I broke the breaker bar. (that it another whole story) Later in the day, I met with a client on other business, small talk brought us to my lug bolt predicament, he invited me down to spin it off one way or the other with one of his 1" drive impacts, it spun it out like it was just put on finger tight, I was really afraid it was going to twist it off
    Hah, you remember correctly Bolts in the front on 2wd vanagons, the front brake rotors are also the wheel hub. The rears are nuts on 2wd. Syncro 4wd vans have nuts on all 4 corners. I haven't broken a breaker bar on the lug nuts/bolts but have broken two on the rear axle nut. Which is why I bought a decent 3/4 impact that fucker is torqued to 360 ft/lbs.

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    Last edited by snwbrdr435; 10-13-17 at 07:31 AM.

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