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How do I use an impact wrench mm 09-21-2006
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Posted by Shoebox Chevy on September 25, 2006, 8:15 am

>
> >
> >>
> >> > wrote:
> >> >
> >> >>Lefty loosey, Righty Tighty.
> >> >>
> >> >>In other words, as you look at the head of the bolt, turn it left, or
> >> >>counterclockwise to loosen. Clockwise tightens.
> >> >
> >> > I know that. (I've known that since I was 6**.)
> >> >
> >> > It's how to get the impact driver to go that way when I hit it with a
> >> > hammer! :)
> >> >
> >> >
> >> > **Maybe younger, now that I remember playing with my big brother's
> >> > Erector Set.
> >> >
> >> >>> How do I use an impact wrench?
> >> >>>
> >> >>> Which way should it turn when I'm compressing it if I am about to
to
> >> >>> use it to unscrew a bolt or screw? Which direction are you looking
> >> >>> from it? :)
> >> >>>
> >> >>>
> >> >>> If I push the front of wrench back into the back of the wrench it
> >> >>> turns either clockwise or counterclockwise, when looked at from the
> >> >>> heal of the wrench, depending on the setting. (The opposite of
> >> >>> course when looked at from the tip of the wrench)
> >> >>>
> >> >>> Which way should it turn if I want to use it to unscrew a bolt or
> >> >>> screw? Which way are you looking from it? :)
> >> >>>
> >> >>>
> >> >>>
> >> >>> I'm trying to unscrew the screws holding on the oil filter of my
> >> >>> recently acquired 69 Honda, not run for 35 years. Also the starter
> >> >>> motor cover. So I can clean and oil them respectively.
> >> >>>
> >> >>> I have this problem every time I need to use this wrench and I
figure
> >> >>> it out, but since I'm over 50, or maybe since I was 20, I can't
> >> >>> remember from one time to the next! This time, I think I have it,
> >> >>> but
> >> >>> none of 5 screws will budge!
> >> >>>
> >> >>
> >> Press the driver bit tightly into the screw recess (or otherwise hold
the
> >> bit), turn the driver hard left (counterclockwise) until it clicks
around
> > in
> >> that direction. While holding the driver tightly in this manner (like
you
> >> are trying to loosen the screw) hit the top of the driver. If you need
to
> >> repeat, just be sure you have the driver clicked counterclockwise and
put
> > as
> >> much turning force on it as you reasonably can while hitting the end.
You
> >> have to be trying to turn the screw when you hit the driver for it to
> > work.
> >>
> >> Don Young
> >>
> > That's not true. That is the whole reason there is a CW and CCW setting
on
> > the tool. When you hit it with a hammer, it turns one direction or the
> > other
> > without regard to the tension you put in either direction, or none at
all.
> > The advice to put it on a hard slick surface, like a tool box, and press
> > on
> > it, is a good way to see which way it is going.
> >
> >
> Ok, but I just can't see how or why you would set the tool to CCW and hit
it
> while holding CW pressure or no pressure on it. My Snap-On driver has no
CW
> or CCW markings or settings, you just turn it the direction you want the
> screw to go and hit it. Maybe others are different.
>
> Don Young
>
I'm not saying you shouldn't put tension on it. I put tension in the
direction it is going too. I'm just saying that if you have it set for CW,
even if you are putting pressure on it in the CCW direction to loosen a
screw, when you hit it with the hammer, it will turn CW, tightening it. You
can't overcome the direction it is set necessarily.

Mine is always set for CCW, since I have never used it for, nor have I
found, reverse thread screws, so I don't have to remember which way it is
set.



Posted by mm on September 26, 2006, 2:53 pm
wrote:

>
>>
>>>
>>> >>> If I push the front of wrench back into the back of the wrench it
>>> >>> turns either clockwise or counterclockwise, when looked at from the
>>> >>> heal of the wrench, depending on the setting. (The opposite of
>>> >>> course when looked at from the tip of the wrench)
>>> >>>
>>> >>> Which way should it turn if I want to use it to unscrew a bolt or
>>> >>> screw? Which way are you looking from it? :)
>>> >>>
>>> >>> I'm trying to unscrew the screws holding on the oil filter of my
>>> >>> recently acquired 69 Honda, not run for 35 years. Also the starter
>>> >>> motor cover. So I can clean and oil them respectively.
>>> >>>
>>> >>> I have this problem every time I need to use this wrench and I figure
>>> >>> it out, but since I'm over 50, or maybe since I was 20, I can't
>>> >>> remember from one time to the next! This time, I think I have it,
>>> >>> but
>>> >>> none of 5 screws will budge!
>>> >>>
>>> >>
>>> Press the driver bit tightly into the screw recess (or otherwise hold the
>>> bit), turn the driver hard left (counterclockwise) until it clicks around
>> in
>>> that direction. While holding the driver tightly in this manner (like you
>>> are trying to loosen the screw) hit the top of the driver. If you need to
>>> repeat, just be sure you have the driver clicked counterclockwise and put
>> as
>>> much turning force on it as you reasonably can while hitting the end. You
>>> have to be trying to turn the screw when you hit the driver for it to
>> work.
>>>
>>> Don Young
>>>
>> That's not true. That is the whole reason there is a CW and CCW setting on
>> the tool. When you hit it with a hammer, it turns one direction or the
>> other
>> without regard to the tension you put in either direction, or none at all.
>> The advice to put it on a hard slick surface, like a tool box, and press
>> on
>> it, is a good way to see which way it is going.
>>
>>
>Ok, but I just can't see how or why you would set the tool to CCW and hit it
>while holding CW pressure or no pressure on it. My Snap-On driver has no CW
>or CCW markings or settings, you just turn it the direction you want the
>screw to go and hit it. Maybe others are different.

This one doesn't say CW or CCW, but it does say R and L, but there is
no real indication if it is set for R or L, no dot on the other half.

So what about which direction one turned the part to get there? The
problem was that it wasn't loosening, so I wanted to do the thing
where you push it in while pressing against a smooth surface (although
I just held it in my hand) and see which way it goes. I thought I had
it right, but it DIDN'T work, so I started to have doubts.

The UPSHOT OF ALL THIS IS THAT IT DIDN'T WORK UNTIL I GOT OUT THE
PROPANE TORCH AND HEATED THE CASE BEHIND THE HEAD OF THE SCREWS.

I got the first two, the cover plate for the starter motor out easily,
but still needed to hit it with the impact driver.

The 3 for the oil filter, which turned out to have barely any dirt
(oil paste) in it anyhow, each took about 2 to 3 minutes with the
torch, mostly around the case and a little on the screw head.

And I've gotten one of the clutch cover screws out of 4 out, and need
to get an extension to reach the other 3. Harbor Freight has a set
very cheap.

I may also need to take off the right side cover, if the kick starter
really has a broken spring or something inside.

The JCWhitney ad for impact drivers mentions striker plates,
motorcycle cases, and body panels, so motorcycle engine cases are
right up there in the list of things hard to take apart. I wasn't
sure I needed this thing when I bought it (for 10 dollars) maybe 20
years ago, but it's good.
>Don Young
>
>
>
>


Posted by Don Young on September 26, 2006, 10:35 pm

>
> This one doesn't say CW or CCW, but it does say R and L, but there is
> no real indication if it is set for R or L, no dot on the other half.
>
> So what about which direction one turned the part to get there? The
> problem was that it wasn't loosening, so I wanted to do the thing
> where you push it in while pressing against a smooth surface (although
> I just held it in my hand) and see which way it goes. I thought I had
> it right, but it DIDN'T work, so I started to have doubts.
>
> The UPSHOT OF ALL THIS IS THAT IT DIDN'T WORK UNTIL I GOT OUT THE
> PROPANE TORCH AND HEATED THE CASE BEHIND THE HEAD OF THE SCREWS.
>
> I got the first two, the cover plate for the starter motor out easily,
> but still needed to hit it with the impact driver.
>
> The 3 for the oil filter, which turned out to have barely any dirt
> (oil paste) in it anyhow, each took about 2 to 3 minutes with the
> torch, mostly around the case and a little on the screw head.
>
> And I've gotten one of the clutch cover screws out of 4 out, and need
> to get an extension to reach the other 3. Harbor Freight has a set
> very cheap.
>
> I may also need to take off the right side cover, if the kick starter
> really has a broken spring or something inside.
>
> The JCWhitney ad for impact drivers mentions striker plates,
> motorcycle cases, and body panels, so motorcycle engine cases are
> right up there in the list of things hard to take apart. I wasn't
> sure I needed this thing when I bought it (for 10 dollars) maybe 20
> years ago, but it's good.

I got mine for removing Harley case screws many, many years ago. It will
help loosen the screws if you hit them several times fairly hard with a
punch and hammer. If the slots are worn, you can use a flat punch to force
them together a little and then drive the bit back into the slots. This will
tighten the fit and will often ease the tension and corrosion enough to free
stuck screws.

Use an extension that is as short and fat as possible to maintain the impact
shock effect. A long slender extension will greatly reduce the effectiveness
of the driver.

Don Young



Posted by on September 22, 2006, 4:59 am
>It's how to get the impact driver to go that way when I hit it with a
>hammer! :)

Place the end of the driver so that it is perpendicular to a hard
surface. Put the palm of your hand on the hammer end. Push
hard. Notice the direction of rotation.

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