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My drive belt just broke. I remember replacing it a couple years ago. I remember it being a very tough job because I thought I was never going to get the springs back on. I finally did but it was a royal pain in the rear. Is there a special tool that is used for the springs? I definitely don't want to tackle this again without having the proper tools. I called my local John Deere parts guy and he said there is no special tool that they sell. I may just have them do it otherwise. Thanks!
 

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BB,

Are you talking about the deck drive belt or the machine drive belt? If it is the machine I am sorry I can not help you out there. The deck drive reminds me of a Wheel Horse 60" deck I had that was a pistol to pull back the tensioner spring to install its belt. I made a long handle tool to do the job (leverage is everything in a case like this). Unfortunately it is a make your own special tool or have the dealer do it. Sometimes if you talk with the technicians they will give you tips they use. Maybe Kevin will chime in on this once we know what belt it is.

Oh, and welcome to DT.
 

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Thanks! And thanks for the friendly welcome!! It is the drive belt that has broken. I have replaced both belts previously but I remember this drive belt being a particularly tough job dealing with one spring in particular. Thanks in advance for any responses if there's a "trick of the trade" on how to remove and re-install the spring. If I remember correctly, it was the spring that attaches to the idler pulley that was the toughest part of the job. I think the repair manaul refers to this as the PTO spring. Thanks!!
 

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Aaaaahhhhh, here is the parts manual photo of it. You're right looks like a tough one.
 

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Yep. That's the bugger. Brings back not-so-fond memories of trying to get that spring back on (complicated by not having tractor up on a lift).
 

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Here's the way I do it on my LT 155 which is very similar. Hook one end of the spring, the end closest to the front, in place. Make a loop of twine (baler twine) long enough to attach to the other end of the spring ( point #14 in Randy's photo) and extend the loop out just past the rear of the mower. Lying beside the mower on your side, with the spring in place on one end and the other end of the spring (point #14) hooked to the loop of twine, place your foot in the loop out past the rear of the mower and extend your leg, stretching the spring. Using a screwdriver or some type of pry (leverage) bar, work the end being pulled by the twine into place. :yahoo:

If you have someone to help you, have them pull on the loop of twine and you can accomplish the same thing but it's usually easier to do by yourself because you can control the tension without having to tell someone else when to pull, when to release a little etc.

It's much easier to do that explain. It has saved my religion more than once. Good luck.
 

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Wow. Ingenuity at its finest!! You don't happen to have a youtube video of this do you? Just kidding. Thanks for the quick response. When I did it before I rigged up a winch and stretched out the spring to where I could get it just at the right position and then would loosen the winch but because I was a one-man operation, it took multiple runs at it before I got it. Your method sounds much better and more controlled. :cheers:
 

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Yep. That's the bugger. Brings back not-so-fond memories of trying to get that spring back on (complicated by not having tractor up on a lift).
:laugh::laugh::laugh::laugh:
I hear you, I have spent my fair share of lying on the ground and hard cold concrete doing maintenance and repair work not only on tractors but cars as well. Maybe some day a lift is in your future, they really are quite affordable now. :thumbup1gif:

Let us know how well Wayne's tip works for you. But, don't throw your back out trying.:tongue:
 

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Mr. Boehm,
Welcome. Any relation to Roy Boehm, Father of the SEALs? Those springs are frustrating, at times. I am fortunate to be farm raised and beef fed.(just shy of 6 feet, just shy of 300 pounds):fed: I use a vice-grips and brute strength to re-install them.:tongue: Some of the guys have spring hooks that they prefer. One guy just hollers at me, if I'm in the shop. Even with a lift, the average guy has trouble stretching them back on, safely. I kind of like the twine method, providing you have good twine (I wouldn't use old natural fiber twin as it may pull apart) and can tie a good knot. If there is creative and ingenious way to get this done, these guys will find it.
 

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Nope. No relation to that Roy Boehm although I have read quite a bit about him. He's quite a legend. My grandfather's name is Roy and when I was doing some research on my relatives, I came across the Roy Boehm Navy Seal guy. Thanks again for all the tips. Really appreciate it!
 

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Hey bboehm,
Just wondering how you made out with that belt. I was under my LT166 today trying to replace the steering shaft and saw the drive bely all chewed up. I never had a problem with it in 12 yrs but it looks in sorry shape and I ordered a new one as a preventative measure.
 

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After reading all the replies about what a pain it was changing this drive belt it was with reservation I began to do it myself.
It was a breeze... really. I took a large regular screwdriver and removed the smaller right side spring and then removed the idler pulley's. after threading the new belt on I used the screwdriver to install the spring again and it went on first try. The only thing is to make sure the brake spring ( left side double spring ) is seated in the slot... otherwise there will be a lot of slack in the belt. The whole process took twenty minutes start to finish, not bad at all.
 

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Hi.., My drive belt was broken yesterday. Just 3 years back I replaced this one. It is very tough job because I thought I was never going to get the springs back on. Someone said me that there is a special tool to used for the springs. So I am searching for that tool. Can anyone tell me where can I find those tools. Thanks in advance.
 

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Aaaaahhhhh, here is the parts manual photo of it. You're right looks like a tough one.
Randy,

I am new to the site and came across you parts diagram while researching my problem with the traction drive belt on a LT 166. I have managed to change the belt; however, I am unsure on how to properly adjust the tension. Would appreciate any help you may be able to offer. By the way, I rigged up a thin rope with a one-handed wood clamp to deal with the spring tension. Thanks, Ian1984.
 

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Number of parts

Hi, I really need a number of parts 10 and 13 of picture RandyM.
I have LTR 166 und official website John Deere shows completely another scheme of Transmission.. :(
 
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