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Craftsman 1/2 in impact wrench model 875.191182 wont run

Shaft turns freely. But when I pull the trigger it does not turn. The air comes out of the holes above of the trigger.

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  • William Jackson
    William Jackson Jan 10, 2013

    It has never worked since I got it. I messed around using other air wrenches until the warrenty was out, stupid, but I forgot it. Have had it apart, no rust. Sears man said could send it for a rebuild but would cost at least $80.

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john631068
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SOURCE: Craftsman 1/2 inch impact wrench,not working

Make sure you have at least 90 pounds of air and if you do you need to oil the wrench air tool oil pour some in the where the air line hooks up ..air tools need to be oiled daily cause compressed air cause water vapors to build up when you use it and then when it sits it begins to rust a bit and the oil stops this ...

Posted on Nov 17, 2009

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1 Answer

How do you oil a Craftsman Air Impact Wrench Model No. 875191182?


Just put 3-5 drops of air tool oil down the air inlet coupler and then run the gun for 5 seconds. Do this everyday that you run the gun for best results.

Feb 25, 2011 | Craftsman 1/2" Impact Wrench

1 Answer

Model 734 1/2 in impact.wont blow air ,wont rotate,no tension on trigger.feel like problem may somehow be in trigger housing....


Yes, if you take it apart you'll find that the trigger isn't allowing air to pass through to the veins of the impact wrench. It's a relatively simple mechanism, where maybe something is broken inside.

If it were blowing air but the veins were stuck, I would say, lubricate it. But, if no air goes through it at all, then the trigger housing houses the problem part.

Have you tried to disassemble the air wrench?

Jan 21, 2011 | Chicago Pneumatic 1/2" Air Impact Wrench

1 Answer

Impact wrench is not working at all.the air is coming out of the hole at the bottom of wrench next to where the air hose is hooked up.


fill down the air pipe wit penatrating oil hold trigger and keep movin forward and reverse wen in frees up fill wit airtool oil

Aug 10, 2010 | Craftsman 1/2" Impact Wrench

2 Answers

Wont work in remove direction just blows air


fill it wit oil hold in triger and flick between forard and reverse should free up the vains inside

Jun 29, 2010 | Craftsman 1/2" Impact Wrench

2 Answers

Dont know where to put oil in Craftsman 1/2 " Impact wrench


I just bought one of these also. Manual says oil goes into "the air inlet" which I'm thinking is where you attach the hose. That way the oil is sprayed throughout the interior of the gun once you run air through it.
Question for you: I can't get an impact socket onto this gun, almost seems like the square hole is too small. (yes, both are 1/2" drive). How do you get a socket on this stupid thing?
(man that sounds like I'm an idiot, but I've spent a half hour leaning all my body wight, wiggling, etc. and can't get a damn socket on)

Apr 29, 2010 | Craftsman 1/2" Impact Wrench

1 Answer

Craftsman 1/2 inch impact wrench,not working


Make sure you have at least 90 pounds of air and if you do you need to oil the wrench air tool oil pour some in the where the air line hooks up ..air tools need to be oiled daily cause compressed air cause water vapors to build up when you use it and then when it sits it begins to rust a bit and the oil stops this ...

Nov 14, 2009 | Craftsman 1/2" Impact Wrench

2 Answers

Throttle valve is rotten and tool runs when you plug in the air without pulling trigger


there is a neoprene O ring in the trigger area ,that breaks down ,it needs a service by an air tool repairer ,it is not expensive. dont use wd40 or the like if dont have airtool oil use auto transmission fluid and this wont happen too often

Oct 18, 2009 | Craftsman 1/2" Impact Wrench

1 Answer

No pressure when pulling trigger, trigger sticks in handle body


if air sound comes out when you press trigger your pressure regulator pin is stuck-oil gun and attach hose repeate until pin frees or remove pin and clean with brake kleaN oil and replace

May 31, 2009 | Ingersoll Rand 236 1/2" Air Impact Wrench

1 Answer

Just blows air when trigger is pulled.


Dave The rotor is too tight on the plate. Tap shaft with fiber mallet to open the clearance

Apr 07, 2009 | Impact Ingersoll-Rand 1 Inch Heavy Duty...

1 Answer

My 1/2" CP air wrench just blows air thru when I pull the trigger


I have ran into this many times, even though you keep it oiled dirt can and will get inside. what you need to do is unscrew the 4 alen head bolts and pull the nose off. You will see a shaft that looks kind of like a crankshaft with 5 or 6 flat carbon fiber plates sitting loosely in groves around the shaft. pull those out and clean them with solvent and check them for damage or wear. clean the inside of the gun with solvent or brake cleaner, reassemble and it should work fine. If the plates need replaced then you should be able to order them from a tool supplier,and they are not that much.

Jan 17, 2009 | Chicago Pneumatic 1/2" Air Impact Wrench

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