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Old 05-15-2001, 05:08 PM   #1
RigdenZW
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2001 2.5 RS Sedan
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Question gahhh...need help w/torque wrench

k. I had to go and spend money one the nicer torque wrench. Now I can't figure out how to read/use it. The cheap one had a needle that you watched as the pounds/inch went up. This one has a handle that you twist and lock down. Along the top of the twistable part there is notches with the numbers 0-9 on it twice. The arm part has markings that kind of look like a thermometer. Notches starting at the bottom being labeled like 120,240,360,480 etc. As you twist the handle it moves up and down. I noticed that as you twist every time you hit 0 on the handle the top of it lines up with a notch and the arm.
(whew)
I just want the 20lbs torque required by the manual for spark plugs. Otherwise I'm going to do the old 1/2 - 3/4 turn after hand tightening... and call my purchase a loss of funds.
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Old 05-15-2001, 05:16 PM   #2
tom@kartboy
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Post

it sounds like the wrench is a bit to high for your needs. what is the lowest number on there?


this is how it should reed

say there is a horizontal line that has 120 on there. when it reads zero on the handle and it hits the 120 line that is 120
now twist it to the number 5 ont eh handle and line it with the centerline scribed on the shaft. thsi is 125( if you turned it clockwise).
any questions?
tom@kartboy.com

hope i didnt confuse you worse
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Old 05-15-2001, 05:23 PM   #3
Really_Soaked
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My torque wrench is close to this, though it only goes up to 320 or something...

What you need to do is twist the handle down so that the top of it lines up with the marking on the bar that says 20 (or the next lowest increment under 20) the 0-9 markings on the handle are if you'd want to do say 29 lbs. What you'd do for 29lbs:

1. Line up the "0" marking with the 20 (as long as you have a 20)

2. twist the handle until the "9" lined up with the center line.

-Let me know if this isn't clear enough, I can do a diagram...

-Simon
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Old 05-15-2001, 05:33 PM   #4
the Dabbler
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Probably obvious, but your torque wrench sounds like it's calibrated in inch-pounds not foot-pounds... So for 20ft-lb your scale would of course read 240.

[Edit]
Unless your wrench is fairly large of course, then 240 might actually be 240 foot-pounds. Although from the way you describe the markings, it doesn't sound like it. It's a 3/8" drive?

[This message has been edited by the Dabbler (edited May 15, 2001).]
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Old 05-15-2001, 05:35 PM   #5
RigdenZW
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Hrm.The scale is from 120 - 960.

I can't imagine someone torque'ing 960 pounds per inch? Especially with a handle about a foot long?

Maybe I did get a wrench too high for my needs.
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Old 05-15-2001, 05:41 PM   #6
Sunrise City Rider
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Yeah like Kartboy and partner said. I have the same style and its also in inch pounds. Divide twelve by any of the numbers to get foot pounds.
Zee
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Old 05-15-2001, 05:42 PM   #7
RigdenZW
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the dabbler ~! you are the man!
Thank you sir.
(smacks self)
it does say inch pounds on it. I didn't put 2 and 2 together..

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Old 05-15-2001, 05:42 PM   #8
tmat3
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Yup, sounds like in/lb instead of ft/lb.

I love using your kind of torque wrench with a adjustable handle. I also use the one with the needle. I tend to use the one with the needle for minor work such as spark plug changes. There is no reason why.
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Old 05-15-2001, 05:46 PM   #9
the Dabbler
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Torque is actually measured in inch-lbs or foot-lbs, not lbs/inch or lbs/foot.

So 960 inch-pounds would only be 80 ft-lbs. Say, lug nut torque.

About a foot long sounds about right for that range (actually kinda short, maybe). A perfectly good range to have. Although I always find inch-lbs ranges annoying, since even small bolts on the car are typically spec'd in ft-lbs.

You may actually want to get a bigger one, if you plan to do, say, your suspension.

(Edit)
Sorry -- didn't mean to keep talking after the point had been made! Didn't realize there were so many replies in just these few minutes!

[This message has been edited by the Dabbler (edited May 15, 2001).]
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Old 05-15-2001, 05:49 PM   #10
RigdenZW
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Hey tmat3.. k. now that i figured out how to set/adjust it. What happens when I use it? Does it just stop tightening? Does the handle do something weird to let you know that it's torque'd out?

edit - no problem dabbler.. thank you for the info! it's nice to have a place to turn to when you're stumped about something. (i-club) I try to learn as much as I can w/out pestering people.. but there are times when you just need another angle on something.

[This message has been edited by RigdenZW (edited May 15, 2001).]
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Old 05-15-2001, 05:50 PM   #11
the Dabbler
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It should go "CLICK", indicating that the specified torque has been reached. You should stop applying force at that point.
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Old 05-15-2001, 05:56 PM   #12
RigdenZW
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yes. thank you again.
Now to purchase the actual spark plugs and then i'll be all set for this weekend. It'll be the first time for me changing spark plugs and wires.(other than little stuff like 4-wheelers and mowers)
I've never wanted to work on a car until I got my subie.


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