Question about Ingersoll Rand 3/4" Super Duty Extended Anvil Air Impact Wrench

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Ingersoll 261 problem

Ingersoll rand 261 runs but has no power,have striped tool and everything is ok.tool is less than 2 months old and has not been used till today.any help wecome.

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That tool is under warrenty whoever u bought it from should have it fixed. did u try to adjust the air flow on your forard and reverse by turning the nob right or left has numbers on it hold the trigger turn the nob i see what it does i rebuilt many a 261

Posted on Feb 21, 2009

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Instruction on how to rebuild an ingersoll Rand 231HA-2

Sorry, could not find a repair manual for this tool, but the I.R. parts lists are very well detailed and shows the parts in the order that they fit into the tool.
Follow this link to the parts list.

Feb 25, 2013 | Ingersoll Rand 1/2" Super Duty Extended...

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My 3/4" ingersoll rand impact has little power how do i fix?

A very common problem with most impacts is the incorrect size of the air fittings and air hoses, follow the MFG'S suggestion located in the owner's manual. Most 3/4" impacts need a 1/2" i.d. hose with 1/2" series air couplers. All I.R. impacts have a screen on the inlet bushing that can become clogged with debris and will cause a low power condition, make sure it is clean. If the problem persists disassembly and inspection of the tool will be necessary. Most common problems are damaged / worn motor vanes, bearings, gaskets, seals, scarred endplates. Special note for IR261 the endplates along the edge have small plugs that can deteriorate cause an internal air leak causing low performance.
Follow this link to find the parts list for you model:

Apr 19, 2012 | Ingersoll Rand Air Tools & Compressors

2 Answers

Diagram of parts

you can download ingersoll rand tool manuals and parts lists from

Jan 22, 2012 | Ingersoll Rand 1/2" Super Duty Air Impact...

1 Answer

Runs but when you try running on a nut it just blows air. should the plates and drum be greased when rebuilt?

The air motor on the 285B needs to be oiled, the hammer section needs to be greased. The symptom described could be in the hammer mechanism, 285B's have 2 different side plates (item# 41) that sit atop the hammer mechanism, tools made from 2005 to 2007 use the old style side plate (item# 41) that has a small lip that need to sit looking toward the hammer case bushing (item# 44) when installed with the small lip facing in to the hammer will cause it to lock, tools made from 2008 to the present have a side plate that is flat on both sides and can be installed in either position. also check the hammer and anvil for cracks and pitting.
Follow this link to view the parts list.

Jun 01, 2011 | Ingersoll Rand Ingersoll - Rand 285B - 6...

1 Answer

What the maximum working torque for a Ingersoll Rand 1/2 2705P1?

Ingersoll Rand 2705P1 1/2 inch 40-200 ft lb Industrial Duty Impact Wrench
Max Torque 400 Ft-Lb

Pneumatic Impact Wrench, Industrial Duty
Pistol Grip Style
Standard Anvil
Square Drive Size 1/2 In
Torque Range 40-200 Ft-Lb
Max Torque 400 Ft-Lb
Average CFM @ 15 Second Run Time 4.2
CFM @ Full Load 23
Max Bolt Capacity 5/8 In
Free Speed 8500 RPM
Pin Retainer Type
Required Pressure 90 PSI
Air Inlet 1/4 In
Min Hose 3/8 In
Overall Length 6 3/4 In
Weight 2.55 Lbs
Country of Origin: USA
CR 4Z942

Mar 28, 2011 | Ingersoll Rand Air Tools & Compressors

1 Answer

My air impact runs without squeezing the trigger.

if u take the tail outa ur gun u will see that da gause filter inside has broke gone inside and holding da valve open pick it out wit a seal pick r somethin

May 27, 2010 | Ingersoll Rand Air Impact Wrench 1/2in....

1 Answer

Ingersoll rand 231A 1/2 inch impact wrench no power

if you have already used air tool oil you may have to take it apart and clean the motor vanes

Jan 29, 2010 | Ingersoll Rand 1/2" Super Duty Air Impact...

1 Answer

IR 261 air wrench vanes sticking

NOT exactly a solution, but may help you with your problem: I'm also a Owner of a 261 ( In fact 90% 0f all my Air Tools are IR) that I used everyday when I was working on Terex Equipment & EMD Locomotives. I "Upgraded" the Major Parts inside my Gun to the "Industrial Line" rather than the Automotive Parts since the 261 is classified as a Automotive Tool..and Installing an Adjustable Regulator on the Gun Helped a Lot "tweeking" my Gun out, I was Pumping almost as much torque as some of the 1" Guns...
FYI: Don't Over Oil as the Oil will absorb into the Vanes, causing them to Expand in thickness "Permanently"...just 2-3 drops of a Hi-Grade Air Tool Oil before starting the Day is enough...sounds to me like your Picking up some contamination someplace??

Feb 05, 2009 | Ingersoll Rand 3/4" Super Duty Extended...

1 Answer

Wrench Question

* Are easy and economical to use. * Have fewer moving parts for longer wear. * Provide more power and torque than many electric-powered tools

Aug 27, 2008 | Ingersoll Rand 1/2" Dr. Super Duty Impact...

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