Impact wrench torque

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Subject Author Date
Impact wrench torque mark 02-23-2008
Posted by mark on February 23, 2008, 9:12 am
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I bought what is apparently the most powerful 1/2" drive impact wrench
available IR 2135 with 1000 ftlb or torque and am still finding it
weak. The other day it would not remove the bolts that hold on my
front brake caliper bracket and sometimes it wll not remove lugnuts. I
am using it at 125psi with 50' of 3/8" hose and 1/4" M (milton) quick
connects). Would going to 3/8" qc fittings help at all? I notived a
local tire shop has the air pressure at 150 psi. Is this what is
needed? How come air tools say never to go above 90 psi?

Posted by MK1 on February 23, 2008, 10:56 am
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I think there is a decimal point missing. You would not want to put a
1000 ft lbs through a 1/2" drive. A 1000 ft lbs will snap off stuck lugnuts.

mark wrote:
> I bought what is apparently the most powerful 1/2" drive impact wrench
> available IR 2135 with 1000 ftlb or torque and am still finding it
> weak. The other day it would not remove the bolts that hold on my
> front brake caliper bracket and sometimes it wll not remove lugnuts. I
> am using it at 125psi with 50' of 3/8" hose and 1/4" M (milton) quick
> connects). Would going to 3/8" qc fittings help at all? I notived a
> local tire shop has the air pressure at 150 psi. Is this what is
> needed? How come air tools say never to go above 90 psi?

Posted by mark on February 23, 2008, 12:00 pm
Please log in for more thread options
> I think there is a decimal point missing. You would not want to put a
> 1000 ft lbs through a 1/2" drive. A 1000 ft lbs will snap off stuck lugnut=
s.
>
>
>
> mark wrote:
> > I bought what is apparently the most powerful 1/2" drive impact wrench
> > available IR 2135 with 1000 ftlb or torque and am still finding it
> > weak. The other day it would not remove the bolts that hold on my
> > front brake caliper bracket and sometimes it wll not remove lugnuts. I
> > am using it at 125psi with 50' of 3/8" hose and 1/4" M (milton) quick
> > connects). Would going to 3/8" qc fittings help at all? I notived a
> > local tire shop has the air pressure at 150 psi. Is this what is
> > needed? How come air tools say never to go above 90 psi?- Hide quoted te=
xt -
>
> - Show quoted text -

Check out the specs

http://www.toolking.com/ingersollrand_ir-2135ti.aspx


Posted by Dan on February 23, 2008, 12:16 pm
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What is the difference between Nut Busting torque and traditional
torque?
I have an older I/R impact wrench that will break off 1/2 bolts all
day long on 125psi. Gotta be carefull with the one I got.
I think you need to feed it more air. larger air hose and larger
fittings, shorter air hose also.

Posted by Brent on February 23, 2008, 11:37 am
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> I bought what is apparently the most powerful 1/2" drive impact wrench
> available IR 2135 with 1000 ftlb or torque and am still finding it
> weak. The other day it would not remove the bolts that hold on my
> front brake caliper bracket and sometimes it wll not remove lugnuts. I
> am using it at 125psi with 50' of 3/8" hose and 1/4" M (milton) quick
> connects). Would going to 3/8" qc fittings help at all? I notived a
> local tire shop has the air pressure at 150 psi. Is this what is
> needed? How come air tools say never to go above 90 psi?

the tire shop does not likely run the tools at 150PSI but if the shop
has or had air lifts or air tire changers they might be operating at
150psi. at the tool ports there is likely a secondary regulator to
drop it down to 90 or thereaboutsbut the entire shop can be run off of
the single two stage beast and the branch line for the tools is
regulated down further than the primary machines

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