ahh, just like when the engine is running and you can't get it in reverse, so select 1st gear then have another go at reverse - love a simple non-solution to a non-problem
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| 3 Synchro g/box with no reverse https://www.ausmini.com/forums/viewtopic.php?f=2&t=84122 |
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| Author: | Boostedmini [ Tue Jan 07, 2014 7:34 pm ] |
| Post subject: | 3 Synchro g/box with no reverse |
Hi all, I seem to have lost reverse gear after I have rebuilt a g/box and I cannot seem to find out why. I can select reverse position and turn the input gear but no output through the mainshaft and pinion gear, could this be the 2ng gear pin in in the wrong hole? Any thoughts Thanks guys Grant |
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| Author: | simon k [ Tue Jan 07, 2014 8:53 pm ] |
| Post subject: | Re: 3 Synchro g/box with no reverse |
I've only ever rebuilt 4 synchro boxes, but you didn't put the reverse idler gear in backwards did you? |
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| Author: | Boostedmini [ Wed Jan 08, 2014 8:16 pm ] |
| Post subject: | Re: 3 Synchro g/box with no reverse |
No, it could only go in one way from memory, one end had has a larger OD and could not sit in the right spot. Just don't get it, might call GR and see if he might know. |
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| Author: | John Smidt [ Wed Jan 08, 2014 8:21 pm ] |
| Post subject: | Re: 3 Synchro g/box with no reverse |
Are You Sure The reverse Idler is Moving all The Way over |
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| Author: | Boostedmini [ Wed Jan 08, 2014 8:29 pm ] |
| Post subject: | Re: 3 Synchro g/box with no reverse |
Yeah I am sure it is John as I can see both rows of teeth when selected. I think that the lay gear, idler and synchro ring gear all need to align and engage, but the synchro gear sits towards the input side of the lay and reverse idler gear.... Or am I off??! Grant |
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| Author: | simon k [ Wed Jan 08, 2014 9:03 pm ] |
| Post subject: | Re: 3 Synchro g/box with no reverse |
can the fork thingy that the reverse idler sits in go in backwards? |
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| Author: | Boostedmini [ Wed Jan 08, 2014 9:18 pm ] |
| Post subject: | Re: 3 Synchro g/box with no reverse |
It could only go one also from memory. |
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| Author: | Boostedmini [ Thu Jan 09, 2014 6:31 pm ] |
| Post subject: | Re: 3 Synchro g/box with no reverse |
Thanks all, John you were right, I could hear and move the linkages and see reverse gear move but just not enough, spin the mainshaft a tad and a bit more oomph and she is all the way in. Thanks again. |
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| Author: | John Smidt [ Fri Jan 10, 2014 4:38 pm ] |
| Post subject: | Re: 3 Synchro g/box with no reverse |
I am Glad You Have it sorted out |
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| Author: | simon k [ Sat Jan 11, 2014 5:26 am ] |
| Post subject: | Re: 3 Synchro g/box with no reverse |
ahh, just like when the engine is running and you can't get it in reverse, so select 1st gear then have another go at reverse - love a simple non-solution to a non-problem
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| Author: | Boostedmini [ Sat Jan 11, 2014 7:01 am ] |
| Post subject: | Re: 3 Synchro g/box with no reverse |
simon k wrote: ahh, just like when the engine is running and you can't get it in reverse, so select 1st gear then have another go at reverse - love a simple non-solution to a non-problem You got the right, seemed to be enough to move the gear but not fully engage it. |
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