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| Input gear fitting - locking the gearbox https://www.ausmini.com/forums/viewtopic.php?f=2&t=87081 |
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| Author: | MINImal effort [ Tue Sep 02, 2014 8:05 pm ] |
| Post subject: | Input gear fitting - locking the gearbox |
Awaiting assistance from a trusty henchman... but in case that doesn't happen... When fitting the input gear (or pinion) all the texts say to engage 1st and 4th or 1st and reverse gears so the they are locked up so you can tighten the nuts. Yet no one ever explains how this is done. Gearboxes are almost 3D Chinese puzzles to me... (  )Can anyone explain how this is done ? I am working on a Remote 4 synchro gearbox.... Thanks 
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| Author: | Mick [ Tue Sep 02, 2014 8:18 pm ] |
| Post subject: | Re: Input gear fitting - locking the gearbox |
With the gear selector shaft removed, the gears may be slid across with a good sideways tap. I use a soft copper drift and a small hammer. You're only pushing over the detent springs, so it won't be difficult. |
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| Author: | MINImal effort [ Tue Sep 02, 2014 8:34 pm ] |
| Post subject: | Re: Input gear fitting - locking the gearbox |
Thanks.... will go and have another look.... Also found this which is starts to give a visual idea ( start at 10:30 ) |
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| Author: | drmini in aust [ Tue Sep 02, 2014 9:11 pm ] |
| Post subject: | Re: Input gear fitting - locking the gearbox |
You need to remove the interlock lever before you can select both 1st & 4th together. |
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| Author: | captainwaldopepper [ Wed Sep 03, 2014 10:43 pm ] |
| Post subject: | Re: Input gear fitting - locking the gearbox |
Just done this myself as I'm also rebuilding a 4 synchro (my first one). I just moved the selectors using a brass drift and long screwdriver. Here's a couple of pics to show you what it looks like when first and fourth are locked up (after removing all the innards to actually get up to this point); Below is the position of the selector rod ends when the gears are locked (the bottom one shows first gear engaged when it is fully to the left and the middle one shows fourth gear engaged when it is fully to the right-the upper one is the reverse selector rod);  Here's a pic of the gears when first and fourth are engaged (first is engaged on the left and fourth is engaged on the right);  And here's a pic of the gears just before you engage them from someone else I found on the web (you need to move (1) to the left and (2) to the right to lock up fourth (1) and first (2).  Pretty sure I've got the gear positions correct but hopefully others will let us know if it isn't (it worked for me). I used a rattle gun and deep sockets to remove the nuts BTW, it was a bloody lot easier than a breaker bar with an extension and someone standing on the gearbox. Cheers Dave |
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