Classic cars forum & vehicle restoration.
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peter scott
Joined: 18 Dec 2007
Posts: 7118
Location: Edinburgh
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 Posted: Thu Apr 11, 2019 7:36 pm Post subject: |
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I'll let you know how it goes.
Thanks to all,
Peter
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http://www.nostalgiatech.co.uk
1939 SS Jaguar 2 1/2 litre saloon |
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Churchill Johnson
Joined: 11 Jan 2011
Posts: 359
Location: Rayleigh Essex
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| Posted: Thu Apr 11, 2019 10:13 pm Post subject: |
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| I would have drilled between the slot's then used a small cold chisel, no damage to shaft then. |
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peter scott
Joined: 18 Dec 2007
Posts: 7118
Location: Edinburgh
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| Posted: Fri Apr 12, 2019 11:49 am Post subject: |
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| Minxy wrote: | | The obvious thing would be to pop it to your local garage or tyre fitters ( they will have a commercial size gun) and use an impact wrench to ‘rattle it off’ -probably only cost you a fiver. |
Well I took it to my local garage who do all the repairs on my modern and they got it off with an air rattle gun.
Thanks for all the suggestions guys,
Peter 
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http://www.nostalgiatech.co.uk
1939 SS Jaguar 2 1/2 litre saloon |
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Kleftiwallah
Joined: 27 Oct 2016
Posts: 222
Location: North Wiltshire
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| Posted: Sat Apr 13, 2019 11:20 am Post subject: |
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Has anyone suggested it ,may be a left handed thread?
Hope this helps! Cheers, Tony.
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It may work in practice, but not necessarily in theory! |
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peter scott
Joined: 18 Dec 2007
Posts: 7118
Location: Edinburgh
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| Posted: Sat Apr 13, 2019 1:05 pm Post subject: |
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Nobody suggested that but it was a normal right handed thread. I have now successfully removed the casing from my spare gearbox and fitted it to the gearbox in my car.
Peter
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http://www.nostalgiatech.co.uk
1939 SS Jaguar 2 1/2 litre saloon |
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peter scott
Joined: 18 Dec 2007
Posts: 7118
Location: Edinburgh
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| Posted: Sat Apr 13, 2019 10:50 pm Post subject: |
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Here's the fully story:
Back in 1996 I stripped my gearbox to replace bearings and restore synchromesh. Unfortunately whilst removing the rear casing I didn’t understand that it wasn’t just secured to the penultimate casing by four hex bolts and in trying to separate it I put a small crack in the casing.
The fifth fixing is a set screw (22 in the explosion below) and you need to remove the speedo driven gear and bush before you can access it.
I have lived with a small amount of leakage until today when I decided to swap the casing with one on my spare gearbox. I had great difficulty in removing the nut securing the rear drive flange on my spare and only got it off with the help of my local garage with their pneumatic rattle gun but that was not my only problem.
When I came to refit the speedo drive bush I couldn’t get it more than half way in. After much messing with heat and cold and putting a small chamfer on the bush and still failing, it dawned on me that perhaps set screw 22 was the offending obstacle. I had tightened it but not quite enough. After some more serious torque I finally got the speedo drive bush installed but this set screw is definitely my bete noire.
Peter
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1939 SS Jaguar 2 1/2 litre saloon |
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