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| Gearbox Disassembly - Please Help https://www.ausmini.com/forums/viewtopic.php?f=2&t=85142 |
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| Author: | Minimadmarty [ Fri Apr 04, 2014 2:33 pm ] |
| Post subject: | Gearbox Disassembly - Please Help |
How do I get this nut off? I have a large enough socket but how do I stop the gears rotating?  Does the small end bearing need to be pulled off then loosen the nut behind or is it just simply remove the large clip (just out of shot) in front of the big bearing then slide this part out????  Once I have everything out what I'm I looking for? How can I tell if any of the gears need replacing? They all look ok as they are! But then I don't really know what I'm looking for! 
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| Author: | drmini in aust [ Fri Apr 04, 2014 2:50 pm ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
Q1- I hope you have a workshop manual... Much easier to watch someone do it, but I'll try. You pull the diff out, then remove the spring, ball and sleeve from the RH side of the diff. Then, with the gearbox in neutral, you rotate the selector shaft & selector anti-clockwise so it clears the bellcranks. Then you use a big screwdriver to push 1st gear into mesh, and then do 4th gear also. This locks the shaft from turning. You then need to hold the box from turning somehow, knock back the pinion gear locktab, and undo the pinion nut with a deep 1-1/2" or 38mm socket. It's only 150 ft/lb, unless gorilla joe did it up with a rattle gun. Q2- I undo the big clip and then knock the shaft, bearing & gear out with the mainshaft. It is not a real tight fit. Q3- After you have knocked the mainshaft in to remove the 1st motion shaft, You then put a split tube spacer on the mainshaft, between 1st gear and the mainshaft bearing. Knock the mainshaft back to remove the bearing. You can then tilt and lift the mainshaft & gears out. Caution when pushing the mainshaft to and for as above, watch the selector forks don't get caught on the bellcranks or you will lose the balls out of the synchro hubs. Disclaimer- I am assuming you know what these bits are, if not I suggest you get some help.  The gears and their dogs do look very good... |
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| Author: | 69k1100 [ Fri Apr 04, 2014 2:59 pm ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
Once you've undone the big pinion gear nut, remove the detent springs by undoing the bolts under the gearbox. This frees up the selector forks so they're less likely to pull the bell cranks apart when you knock out the big bearing behind the pinion nut. |
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| Author: | John Smidt [ Fri Apr 04, 2014 3:33 pm ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
looking At The Photo I think You May Have to Put The Cluster ( Lay Gear ) Back in So You can lock it up Properly |
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| Author: | drmini in aust [ Fri Apr 04, 2014 3:36 pm ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
John Smidt wrote: looking At The Photo I think You May Have to Put The Cluster ( Lay Gear ) Back in So You can lock it up Properly `Doh! yes I forgot that.  I assumed it is a rodchange box? It's a bit hard to tell with only those pics... |
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| Author: | Minimadmarty [ Fri Apr 04, 2014 5:23 pm ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
John Smidt wrote: looking At The Photo I think You May Have to Put The Cluster ( Lay Gear ) Back in So You can lock it up Properly Thank you, yes I have removed Lay Gear Cluster. I'm new at this if you can't tell! Oh well it will have to wait until Monday now! |
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| Author: | boomini [ Fri Apr 04, 2014 6:13 pm ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
Hey marty. Slow down a bit... there is lots of bits you can lose quite easily. If you want im hapoy to come over and assist you with the strip down... Rodney |
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| Author: | Minimadmarty [ Fri Apr 04, 2014 8:51 pm ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
boomini wrote: Hey marty. Slow down a bit... there is lots of bits you can lose quite easily. If you want im hapoy to come over and assist you with the strip down... Rodney Cheers Rodney, I think I might need help! Bitten off more than I can chew!! In say that it is all part of learning so I'm not gonna give up just yet 
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| Author: | Babes [ Fri Apr 04, 2014 9:20 pm ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
Ill come and watch the strip down, hide some parts etc im good like that |
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| Author: | Minimadmarty [ Fri Apr 04, 2014 9:41 pm ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
Babes wrote: Ill come and watch the strip down, hide some parts etc im good like that That should work well I always end up with parts left over so if you hide 'em job will be done perfectly 
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| Author: | boomini [ Fri Apr 04, 2014 10:19 pm ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
Lol. |
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| Author: | simon k [ Sat Apr 05, 2014 8:53 am ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
drmini in aust wrote: Q1- I hope you have a workshop manual... DITTO!!!!!!! |
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| Author: | Minimadmarty [ Sat Apr 05, 2014 9:39 am ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
simon k wrote: drmini in aust wrote: Q1- I hope you have a workshop manual... DITTO!!!!!!! Ooops...... Is the Haynes one good? I'll go look on eBay
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| Author: | Babes [ Sat Apr 05, 2014 10:07 am ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
I have a few duplicate manuals here that you can have |
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| Author: | Minimadmarty [ Sat Apr 05, 2014 10:10 am ] |
| Post subject: | Re: Gearbox Disassembly - Please Help |
Babes wrote: I have a few duplicate manuals here that you can have SOLD. When can I come pick it up
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