crowfoot wrenches

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what are they used for?

most american tool websites have them featuring heavily, but in my time around auto shops (a few years) in oz, i've never met a mechanic that's owned a set, let alone used one.

please enlighten me :D
 
what are they used for?

most american tool websites have them featuring heavily, but in my time around auto shops (a few years) in oz, i've never met a mechanic that's owned a set, let alone used one.

please enlighten me :D

I use them where you use use a flare nut wrench, but don't have the clearance to use a flare nut wrench.. Use mine on injector #6 on my Cummins, under the cowl when I replaced it. Used on power steering lines where it goes into box and pump, brake lines.
 
I picked up a metric set about 4 years ago and have used one of them......once.
 
I've used mine a lot - to use a torque wrench on nuts that couldn't be reached without them, for example the cylinder base nuts on cast-iron cylinders on old motorcycles.

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have a metric set.

Used it once cuz I didn't have the right (uncommon) size regular wrench and for some odd reason this kit did have it.
Feels unnatural to use, frankly.
 
i have them up to 1 1/2" and probably use them at least once a month . if not more .

try working on komatsu mining equipment or cat's m series graders . you will find a use for them .

the larger ones work great on those pain in the ass hydraulic lines that you just cant get a wrench on .
 
Never have owned a set but often thought about picking one up. Figured they would be good for torqueing different lines.
 
In this instance, I don't' think it is a great tool purchase for cruiser wrenching. Its just not necessary.
 
I recently bought a set to remove my power steering lines. They work where a box end should be used but can't be put on because of a hose or hard line. I have also used them on my brake lines.

Not the first tool one would get, but very useful in some places.
 
In five years of making a living turning wrenches, I never owned one or used one. I guess I never ran into a situation where it was the only tool that would do the job.
 
I guess I never ran into a situation where it was the only tool that would do the job.

Could you use one to torque that middle bolt in the head of an F? Without having to remove the rocker shaft...
 
When I worked on Case heavy equiptment I used them alot....

Since that job they are taking up space in my box.

Mostly were used to tighten lines and hoses in deep parts of the dozer or valve body that wasn't accessable.

But I was also using 1+ crows feet..... yea try buying a 1.5:rolleyes: crows foot
 
Maybe. I never ran into that situation.

I run into it every 7 or 8 years, wonder if the crowfoot on an extension throws off the torque wrench. Might save me 20 minutes once a decade...
 
The crowfoot does indeed throw off the torque wrench. The extended length needs to be taken into consideration

ACTUAL TORQUE= INDICATED x (WRENCH LENGTH + EXT. LENGTH) / WRENCH LENGTH

Ext. Length= length of crowfoot from center line to center line

or use this web calculator

Torque Wrench Crowfoot Extension Calculator


Dynosoar:zilla:
 
X2 on hydraulic lines. They are always right next to each other in a compartment. If a crow foot doesn't work you have to pull a bunch of lines from one end or the other, to get to the blown one. This is the only time I use them.
 
X2 on hydraulic lines. They are always right next to each other in a compartment. If a crow foot doesn't work you have to pull a bunch of lines from one end or the other, to get to the blown one. This is the only time I use them.
John Deere starter motors is another spot I've used them.
 

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