Question about Air Impact Wrenches

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Craftsman 3/8" impact won't run!

I have a Craftsman mdl # 875.199460 3/8" impact that will not run. you can press the trigger and some air escapes, but it does not attempt to run or turn. i have checked the inlet and no obstruction and also pulled the bottom plate to insure no obstructions. none found. i removed the rear plate, but did not go any further. the gasket seemed stuck and i did not want to destroy it. What do you suggest checking. the unit has very little use. it seems like the air stream never get to the motor. ask for more info if you need it. Please Help!

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  • neos123 Sep 26, 2008

    i have the same problem but with a 1/2" drive!!

    help please!

  • autolites6 Mar 08, 2009

    I have a 1/2 drive craftsman impact wrench. I thought they were better than Campell-Hausfeld, my personal experience they are not. My 1/2 dr. CH is still working after 5 years. Craftsman gave up after 5 uses. Both were oiled & oil circulated before use everytime. I will only buy CP. found out they have a 3 yr. warranty.

  • vanekisgod Apr 01, 2009

    I have the same exact problem after removing the rear housing i found in the bottom two corners the gasket was torn and somewhat moist ie oil had dampened it so it would seem the air is flowing mostly into the housing and not the motor area does anyone know where replacement gaskets can be found and not a covered piece of cardboard maybe an actual rubber or metal gasket

  • Marc May 11, 2010

    I assume you have added plenty of oil into the air inlet? I would even try some Marvel Mystery Oil...amazing stuff...

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  • 583 Answers

Igersol rand or shinano are the best way to go

Posted on Aug 06, 2009

Thanks for reply, but the impact was oiled adequately. i was stored and when removed, it did not run. guess i will scrap it and buy another brand.

Posted on Oct 03, 2008

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