Yes that's exactly what I need to know, as I have two pulley a certain distant apart, and want something to join them 😀they are about 450mm apart, 70mm pulley to 40mm alternator pulley
Excellent video. I only have 2 comments. First, you didn't mention the difference between the inner diameter and the outer diameter. Which do I need? The second comment is just being picky. There is no T in across.
One more method: Cut the belt and measure it on a flat surface. Much easier on long belts. And if your like me, the belt is broken or nearly broken through so cut it and measure it.
Great video. Thank you. I went to your website, and the search did not come up with a result for my Husqvarna part number, and no one answered the chat.
Here is my guess....If you can get one pully off, take it down to a local auto parts store and find a belt in their stock with the same pitch and width that is way longer than the one you need and buy it. After you reinstall the pully, cut that belt and wrap it around the pullys tightly and mark it where they meet. That should be the length belt you need to buy. OK, you've wasted a few bucks on a the test belt, but it's worth it to get he correct length belt.
That is where you get to use those geometry skills. You would do the string method to get your initial measurement of length. Then you would measure the outside radius of the pulleys. You would do your geometry, and get the circumference divided by two. (The belt only rides on half). Then you would use the radius minus the belt depth, and again get that circumference, divided by two. Comparing the two, you would add the difference to the belt length. Clear as mud? Difficult to explain really. Example, say your inside diameter on one pulley is 3”. You circumference is 9.5”, so the pulley rides on 4.25” of pulley. Now your belt is 1/2” thick, the circumference is 11 divided by 2 which gives you a measurement of 5.5 inches. 5.5-4.25=1.25. You would add 1.25” to the belt length for that pulley. Each additional pulley needs to be figured in.
I have a 1/2in x 106in belt. What 5/8 diameter belt would I need to put in its place? Also, what inner diameter pulley would I have to go with to accommodate it?
If you know you can get a replacement belt try this.. Cut the belt across it's ' V ' width with a sharp knife. Place the cut belt off to the side. Now take a straight 8' (96") 2x4 and lay it down on the floor/ work table with the wide side facing down parallel with the floor/work surface. Then score a line with a pencil down the center of the full length( 96")of the 2x4 . (Note: a standard 2x4 is actually 3 1/2" wide, not a full 4"). A combination square would make this easy. If not available, use another straight 2x4 as a straight edge to center your pencil line 1 3/4" from the full length of the 8' (96")edge of the 2x4 being measured for the center line. After drawing center line on the 2x4, take hold of the cut V belt you set aside. With the narrow side of the cut belt facing up( /_\ ),center one end of the cut belt on the scored center pencil line. Make sure the belt length is parallel with the 96" length of the 2x4. Once centered and parallel,nail or staple the cut belt end securely to the 2x4 approx. 3" from one end of the 2X4 and aprox. one inch inward on the end of the cut belt. After belt is secured, take hold of the belt 12" from the stapled/nailed end with one hand. Now pull it toward the remaining approx. 93" length of the 2x4. Making sure the entire 12" length of the belt is centered on the scored line ; draw a pencil mark with your opposite hand on the 2x4 at the end of the stapled/nailed end of the belt. Now stretch the full length of the cut belt gently toward the unstapled/unnailed end of the 2x4 .At this point make sure the entire length of the belt is pulled tightly, is laying flat, is untwisted and centered on the scored line. Then draw a line on the 2x4 at the unnailed/unstapled end of the cut belt. Then, release tension on belt and return to stapled/nailed end of 2x4 and remove staples/nails. Then take a measuring tape and measure the length between the two pencil marks on the 2x4 you made at the two ends of the cut belt. * If belt will not stay centered on pencil line or will not lay flat before the final length measurement is pencil marked try this: It may be necessary to staple/nail /or use masking tape to secure the belt as you pull it along the length of the penciled 96" center line .* Hope this helps.
I cut mine and measured it at 1040mm the seller on ebay said deduct 13mm to get the pcd so 1027mm they had a 1024mm one closest so i ordered that, fingers crossed :P
SO we measure the width and that tells us if it's an "A" belt or a "B" belt, etc. My rulers and tape measures don't have any "A" or "B" on them. Did you miss something there?
9 times out of 10 if you have a belt just take it with you to parts store. But the problem is when to font have a belt. And a string around pulleys os always to small
That is a great question! The 2L belt, though still offered by several manufacturers, is an almost obsolete belt size. There may be some equipment that is still being made with 2L drives but it is very rare so almost all manufacturers have stopped making pulleys to fit them. May I ask what kind of equipment you use a 2L belt on?
I actually wanted to use them with a round urethane belt. It's for a small bench-top lapidary wet grinder - with fractional HP motor (1/5). I guess I'll have to use 3L pulleys with a 3/8" round belt. I tried a v-belt,, but it was too stiff for this application.
@@ohyeah3750 I found the original Murray belt. It was a half inch shorter, So it did stretch, i measured total length a of both belts. I can't believe it lasted as long as it did.. The mower was so old it was hard to find that belt.
That's what I thought also, but I guess the outer circumference along with the width at the top of the belt would define the operating distance on the pulley. I wonder if the angle of the vee is a standard, so it doesn't play into sizing at all. If it had a shallow taper, it would ride higher on the pulley and effectively be a smaller belt.
@@wingerrrrrrrrr the weird thing is that of you cut the belt and measured it the inside and outside would probably appear to be the exact same length, or would it just not be possible to straighten it out?
@@izzzzzz6 if it were a metal hoop that wasn't pliable like rubber, you probably couldn't straighten it out very easily though. The rubber on the inside can stretch to match the outside if forced to-
So you start off with "you have a broken belt." And even show it to us. But then you use a brand new stiff belt to "show us" how to measure for a new belt... how about show us how to measure and replace the broken belt that goes around the actual tumbler?
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Thanks, Simplistic explanations without fluff so refreshing
Thank you for your hands on explanation and demonstration of how to measure it!!
i didnt know how to start it seems so hard and this guy makes it look so easy thank you sir
Thanks for the help! You saved me a trip to hardware store.
Measure around pulleys with a string and add 7% to that length. Then lookup that belt size on your supplier chart. You're welcome 😊
That implies all belts have the same depth. They don't.
Yes that's exactly what I need to know, as I have two pulley a certain distant apart, and want something to join them 😀they are about 450mm apart, 70mm pulley to 40mm alternator pulley
@@bigsmiler5101they're not steel belts
This is not what I was looking for but super helpful. thank you
Very informative and useful to know these tips, thanks. Maybe next trip to the supply store will only be once. Wishful thinking.
what if the belt is missing on your piece of equipment ? how can one determine what belt is needed for a replacement?
Thank you. 👍🏻 Went through 3 videos before I found this one.
Excellent video. I only have 2 comments. First, you didn't mention the difference between the inner diameter and the outer diameter. Which do I need? The second comment is just being picky. There is no T in across.
One more method: Cut the belt and measure it on a flat surface. Much easier on long belts. And if your like me, the belt is broken or nearly broken through so cut it and measure it.
I just did this but the belt I purchase is a little to long. Could the old belt have stretched making this method not accurate if that occurs?
Great video. Thank you.
I went to your website, and the search did not come up with a result for my Husqvarna part number, and no one answered the chat.
Excellent information video, thankyou sir. 👍🏻👌🏻🖐 🇦🇺
Hey! I dont have a belt, how do I measure from my pulley configuration to BUY the correct belt?
:)
Good video though
Here is my guess....If you can get one pully off, take it down to a local auto parts store and find a belt in their stock with the same pitch and width that is way longer than the one you need and buy it. After you reinstall the pully, cut that belt and wrap it around the pullys tightly and mark it where they meet. That should be the length belt you need to buy. OK, you've wasted a few bucks on a the test belt, but it's worth it to get he correct length belt.
That is where you get to use those geometry skills. You would do the string method to get your initial measurement of length. Then you would measure the outside radius of the pulleys. You would do your geometry, and get the circumference divided by two. (The belt only rides on half). Then you would use the radius minus the belt depth, and again get that circumference, divided by two. Comparing the two, you would add the difference to the belt length.
Clear as mud? Difficult to explain really.
Example, say your inside diameter on one pulley is 3”. You circumference is 9.5”, so the pulley rides on 4.25” of pulley. Now your belt is 1/2” thick, the circumference is 11 divided by 2 which gives you a measurement of 5.5 inches.
5.5-4.25=1.25. You would add 1.25” to the belt length for that pulley. Each additional pulley needs to be figured in.
Isn't it possible that the old belt has stretched out a bit, and we need to order something slightly shorter than the measurement?
Thank you, very helpful!
Thanks for the information.
So the length is the total actual length of the belt, and not the distance between pullies etc?
I have a 1/2in x 106in belt. What 5/8 diameter belt would I need to put in its place? Also, what inner diameter pulley would I have to go with to accommodate it?
Course that roll around trick will work on a small belt, try using the same method on a 75" belt.
If you know you can get a replacement belt try this.. Cut the belt across it's ' V ' width with a sharp knife. Place the cut belt off to the side. Now take a straight 8' (96") 2x4 and lay it down on the floor/ work table with the wide side facing down parallel with the floor/work surface. Then score a line with a pencil down the center of the full length( 96")of the 2x4 . (Note: a standard 2x4 is actually 3 1/2" wide, not a full 4"). A combination square would make this easy. If not available, use another straight 2x4 as a straight edge to center your pencil line 1 3/4" from the full length of the 8' (96")edge of the 2x4 being measured for the center line. After drawing center line on the 2x4, take hold of the cut V belt you set aside. With the narrow side of the cut belt facing up( /_\ ),center one end of the cut belt on the scored center pencil line. Make sure the belt length is parallel with the 96" length of the 2x4. Once centered and parallel,nail or staple the cut belt end securely to the 2x4 approx. 3" from one end of the 2X4 and aprox. one inch inward on the end of the cut belt. After belt is secured, take hold of the belt 12" from the stapled/nailed end with one hand. Now pull it toward the remaining approx. 93" length of the 2x4. Making sure the entire 12" length of the belt is centered on the scored line ; draw a pencil mark with your opposite hand on the 2x4 at the end of the stapled/nailed end of the belt. Now stretch the full length of the cut belt gently toward the unstapled/unnailed end of the 2x4 .At this point make sure the entire length of the belt is pulled tightly, is laying flat, is untwisted and centered on the scored line. Then draw a line on the 2x4 at the unnailed/unstapled end of the cut belt. Then, release tension on belt and return to stapled/nailed end of 2x4 and remove staples/nails. Then take a measuring tape and measure the length between the two pencil marks on the 2x4 you made at the two ends of the cut belt. * If belt will not stay centered on pencil line or will not lay flat before the final length measurement is pencil marked try this: It may be necessary to staple/nail /or use masking tape to secure the belt as you pull it along the length of the penciled 96" center line .* Hope this helps.
@@RaysLaughsAndLyrics I'm sure that's easier than it reads-😉
What length tolerances should be used?
I cut mine and measured it at 1040mm the seller on ebay said deduct 13mm to get the pcd so 1027mm they had a 1024mm one closest so i ordered that, fingers crossed :P
If my v belts outside measurement is thirtyone inches. Its a half inch wide belt. Wouldn't that make my inside measurement 29 inches?
Thank you. Very nice
Very informative, I removed the air conditioning from my ford Mondeo so the original v belt doesn't fit and need a smaller v belt
Great help, thanks for sharing.
SO we measure the width and that tells us if it's an "A" belt or a "B" belt, etc. My rulers and tape measures don't have any "A" or "B" on them. Did you miss something there?
tameson.com/pages/v-belt-size-chart
storage.tameson.com/asset/Articles/general/standard-v-belts.png
Very helpful..thank you Sir
Do really old belts stretch at all that I'd need to account for?
Thank you 😮😊
how to get the part number
9 times out of 10 if you have a belt just take it with you to parts store. But the problem is when to font have a belt. And a string around pulleys os always to small
So simple once Clint shows ypu how to do it
This was helpful thank you
great price fits perfect
How do you measure width if you don’t have the original belt
It'll be about the same as the width at the top of the groove in your pulley.
Why is it that I can find 2L belts everywhere in any size, but if I try to find 2L pulleys, there is only a tiny choice?
That is a great question! The 2L belt, though still offered by several manufacturers, is an almost obsolete belt size. There may be some equipment that is still being made with 2L drives but it is very rare so almost all manufacturers have stopped making pulleys to fit them. May I ask what kind of equipment you use a 2L belt on?
I actually wanted to use them with a round urethane belt. It's for a small bench-top lapidary wet grinder - with fractional HP motor (1/5).
I guess I'll have to use 3L pulleys with a 3/8" round belt. I tried a v-belt,, but it was too stiff for this application.
what if the belt is old and may be stretched?
They don't stretch. They wear on the sides and appear to be stretched.
@@ohyeah3750 I found the original Murray belt. It was a half inch shorter, So it did stretch, i measured total length a of both belts. I can't believe it lasted as long as it did.. The mower was so old it was hard to find that belt.
23100-GK1-0030-Bando Do You know the Size of it?
Sir how to know the number of belt after measurment
belt length calculator
interesting, i would have assumed it would be the inside measurement.
That's what I thought also, but I guess the outer circumference along with the width at the top of the belt would define the operating distance on the pulley. I wonder if the angle of the vee is a standard, so it doesn't play into sizing at all. If it had a shallow taper, it would ride higher on the pulley and effectively be a smaller belt.
@@wingerrrrrrrrr the weird thing is that of you cut the belt and measured it the inside and outside would probably appear to be the exact same length, or would it just not be possible to straighten it out?
@@izzzzzz6 if it were a metal hoop that wasn't pliable like rubber, you probably couldn't straighten it out very easily though. The rubber on the inside can stretch to match the outside if forced to-
Good thx
I need anderstand more
can you just measure the outside diameter of pulleys to get belt length? ( between pulleys)
center of pulley, top to bottom length. center to center distance, length of the belt.
HOW DO YOU READ THE MARKINGS LOL?
Mantapppp
And what if you don't have a belt? Friggin !@*#!
If you need help identifying the proper belt instead, see this video: th-cam.com/video/jSfADe_xcKc/w-d-xo.html
So you start off with "you have a broken belt." And even show it to us. But then you use a brand new stiff belt to "show us" how to measure for a new belt... how about show us how to measure and replace the broken belt that goes around the actual tumbler?