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Suburban 725 Question


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#1 DB-Suburban OFFLINE  

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Posted October 26, 2013 - 07:40 PM

I have a 1964 Suburban 725 and I went threw and tore it all down cleaned re sealed everything rebuilt motor and I was just watching videos of other 725s and there clutch locks in gear mine doesn't did I forget something or is it broken I am just wondering what locks, if someone could let me know that would be great, thanks.


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#2 MH81 ONLINE  

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Posted October 26, 2013 - 08:10 PM

The mechanism does slide far enough forward to keep the unit in gear. There is a manual here that shows the mechanism pretty well. I suggest downloading it. http://gardentractor...-725-op-manual/

Also, we need a picture. We love pictures.
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#3 69L46Vert OFFLINE  

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Posted October 27, 2013 - 08:15 AM

The ball locks need to be serviced periodically. I think the manual says yearly. They need to live in grease. There are (must be)  eleven 1/4" dia. balls in there. I usually replace the balls as they can become worn and out of round especially if there hasn't been enough grease. I've found that tipping the tractor on it's side makes things easier especially during reassembly. The ball lock is what keeps the clutch locked in the forward position. 

 

IMG_0006.jpg


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#4 DB-Suburban OFFLINE  

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Posted October 27, 2013 - 11:30 AM

my tractor had the input shaft was worn so I put I think 9/32 balls before it would grind and go to far the person I got the tractor from didn't believe in grease so I see the problem but I cant fix it do to the input shaft being worn to far. I appreciate the help maybe I should try to locate a new input shaft and outer bearing race because that's worn to, anyways Thanks.


Edited by DB-Suburban, October 27, 2013 - 11:32 AM.

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#5 DB-Suburban OFFLINE  

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Posted October 28, 2013 - 12:25 PM

Ok as some of you know my 725 clutch wont lock In gear so today I pulled it apart and I cant find anything wrong with it, it has the 11 1/4 balls I think everything else is in order so if anyone has pics on putting together the whole clutch id appreciate it a lot I am completely lost so any info helps. -Thanks Charlie



#6 boyscout862 ONLINE  

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Posted October 28, 2013 - 12:52 PM

Check the manuals section. You can download 3 for free per day. Pictures will help the experts to help you. Good Luck, Rick



#7 Lauber1 OFFLINE  

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Posted October 28, 2013 - 05:59 PM

ya, pictures your part might help, as I have found some interesting thing done to these clutches over the yrs. People will put anything in there to make them work, sort of right. Sometimes the thrust collar gets worn out and you have to shim it out a little. Another problem is the bushing in the center of the clutch disc get worn and don't let the disc slide straight back and forth.


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#8 DB-Suburban OFFLINE  

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Posted October 28, 2013 - 07:04 PM

I got it figured out my bro measured wrong and it had 9 5/16 balls in it I got 11 1/4 balls and put them in there greased it and its good to go


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#9 DB-Suburban OFFLINE  

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Posted October 29, 2013 - 10:23 AM

another question I got the forward lock figured out theres a video on youtube that it locks in reverse how do they lock in reverse?



#10 69L46Vert OFFLINE  

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Posted October 29, 2013 - 03:26 PM

another question I got the forward lock figured out theres a video on youtube that it locks in reverse how do they lock in reverse?

They don't lock in reverse. You have to hold the lever back. :thumbs:



#11 Lauber1 OFFLINE  

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Posted October 29, 2013 - 05:40 PM

yes they were designed to never lock in reverse, one of the only safety items on DB stuff. Reverse has nothing to do with the forwards clutch. You are only powering the outer pully via an over running belt






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