|
|
|
|
roy4matra
YaBB God
![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif) ![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif) ![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif) ![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif) ![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif)
Posts: 1209
![](http://www.matraclub.org.uk/images/Roy.gif)
|
![](http://www.matrasport.dk/forum/Themes/matra02/images/post/xx.gif) |
« Reply #124 on: February 05, 2010, 05:42:25 pm » |
|
On the newer type gearbox, the synchroring is the same, the rest I didn't fit to try out.
Well, I communicated with Roy bout this and though I am not 100% sure it will work... Let me explain again as this thread has become so long, some have forgotten why the Citröen kit was available. They had a problem with these units, and the work that was decided was necessary to improve the reliability, was to upgrade the end case bearings. Since these bearings are wider, the end retaining plate is modified to hold them, and all the other appropriate parts had to be modified to match, so if the bearings are wider, some parts had to be narrower. Citröen of course were replacing like for like with respect to the gears - 31:46 to 31:46. We were taking advantage of the higher ratio and replacing 33:45 with 31:46 so the fork and casing had to be modified slightly to fit the larger gear. So you can fit a complete kit and it will all fit correctly. However, if you strip and take parts from a transaxle with the old smaller bearings, or you buy new parts that were for that version, then you will have to make sure you check all the parts are the same in the relevant dimensions so that they fit correctly. You cannot 'mix and fit' or you will be asking for trouble. As I have only fitted complete new kits to the later more reliable spec. I cannot verify what parts you would need for the older spec. so you must make sure yourself. I hope this clear things up. Roy
|
|
« Last Edit: February 05, 2010, 05:46:27 pm by roy4matra »
|
Logged
|
|
|
|
Jon Weywadt
YaBB God
![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif) ![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif) ![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif) ![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif) ![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif)
Posts: 1002
![](http://www.matrasport.dk/forum/index.php?PHPSESSID=d8hkam205fl4i3dkpqnmq8d682&action=dlattach;attach=5826;type=avatar)
|
![](http://www.matrasport.dk/forum/Themes/matra02/images/post/xx.gif) |
« Reply #125 on: February 05, 2010, 11:34:42 pm » |
|
On the newer type gearbox, the synchroring is the same, the rest I didn't fit to try out.
Well, I communicated with Roy bout this and though I am not 100% sure it will work... Let me explain again as this thread has become so long, some have forgotten why the Citröen kit was available. They had a problem with these units, and the work that was decided was necessary to improve the reliability, was to upgrade the end case bearings. Since these bearings are wider, the end retaining plate is modified to hold them, and all the other appropriate parts had to be modified to match, so if the bearings are wider, some parts had to be narrower. Citröen of course were replacing like for like with respect to the gears - 31:46 to 31:46. We were taking advantage of the higher ratio and replacing 33:45 with 31:46 so the fork and casing had to be modified slightly to fit the larger gear. So you can fit a complete kit and it will all fit correctly. However, if you strip and take parts from a transaxle with the old smaller bearings, or you buy new parts that were for that version, then you will have to make sure you check all the parts are the same in the relevant dimensions so that they fit correctly. You cannot 'mix and fit' or you will be asking for trouble. As I have only fitted complete new kits to the later more reliable spec. I cannot verify what parts you would need for the older spec. so you must make sure yourself. I hope this clear things up. Roy Thanks Roy for clearing that up. Since I was not planning on replacing the bearings, I will make sure that the width of the gear and bushing parts are the same as the originals. If the new gears are narrower, it should be possible to add shim rings to make up for the difference.
|
|
|
Logged
|
Matranaut par excellence ![Cool](http://www.matrasport.dk/forum/Smileys/default/cool.gif)
|
|
|
|
|
|
|
|
Jon Weywadt
YaBB God
![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif) ![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif) ![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif) ![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif) ![*](http://www.matrasport.dk/forum/Themes/matra02/images/star.gif)
Posts: 1002
![](http://www.matrasport.dk/forum/index.php?PHPSESSID=d8hkam205fl4i3dkpqnmq8d682&action=dlattach;attach=5826;type=avatar)
|
![](http://www.matrasport.dk/forum/Themes/matra02/images/post/xx.gif) |
« Reply #131 on: July 16, 2010, 12:13:13 pm » |
|
Now that I have the gear box apart, I will also replace the 5th gear with the new ratio set. But as Oetker's pictures show the gears are not formed the same. I have set the gears side by side in the photo below, so you can see the differences. The new gear with the synchro is 3,5 mm narower than the original, thus requiring a shim. The other gear wheel has a protrusion rather than a shallow indention. Therefore they cannot be fitted by just shimming. The shaft is not long enough and you would not be able to fasten the end nut. Besdes the end housing would not be deep enough to close as far as I can see. ![Angry](http://www.matrasport.dk/forum/Smileys/default/angry.gif) The solution will be to take this gear wheel to a machine shop (or my friend Jan) to be milled down and turned to a shape identical to hte original wheel. Not impossible, but a rather annoying delay. But who knows, perhaps I will have this done by the time I figure out how to replace the 2. gear synchro ring. ![Roll Eyes](http://www.matrasport.dk/forum/Smileys/default/rolleyes.gif) (see my Help needed topic on this matter)
|
|
« Last Edit: July 16, 2010, 12:16:29 pm by Jon Weywadt »
|
Logged
|
Matranaut par excellence ![Cool](http://www.matrasport.dk/forum/Smileys/default/cool.gif)
|
|
|
|
|
|