AA Coupling Shaft Thrust Spring Replacement Available

AA Ford Discussion Group relating to the repair and restoration of your AA Ford.
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Rustynut
Posts: 14
Joined: October 31st, 2020, 11:06 pm
Body Type: C-Cab
Model Year: 1930
Location: Campbell, CA

AA Coupling Shaft Thrust Spring Replacement Available

Post by Rustynut »

For anyone interested - A replacement coupling shaft thrust spring replacement is now available.
Unable to locate an acceptable replacement thrust spring for my AA truck restoration, an original spring was borrowed and provided to Burt's Model A Center, and they had several new ones made at a local spring manufacturer that match the original specs. :)
This is the AA-4822 thrust spring that is part of the AA-4802-B coupling shaft and housing assembly for the 30-31 bevel gear rear end configuration.
See below for assembly photos (from Neal Wilson on the AAFords-FMAATC website), along with a photo of the new spring replacement.
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David R.
Posts: 264
Joined: August 17th, 2019, 1:52 pm
Body Type: Chassis
Model Year: 1930
Location: WV

Re: AA Coupling Shaft Thrust Spring Replacement Available

Post by David R. »

Good news, thought I was going to have to make one
Shorthaul
Posts: 375
Joined: November 15th, 2008, 8:18 am
Body Type: 186 stake
Model Year: 1931
Location: Hawthorne California

Re: AA Coupling Shaft Thrust Spring Replacement Available

Post by Shorthaul »

Does anyone know the size of the 7095 retainer and where does it go.
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Neil Wilson
Posts: 3070
Joined: February 5th, 2003, 9:42 pm
Body Type: 82-A/89-A
Model Year: 1930
Location: Boulder, CO
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Re: AA Coupling Shaft Thrust Spring Replacement Available

Post by Neil Wilson »

Shorthaul wrote:
May 24th, 2023, 11:12 pm
Does anyone know the size of the 7095 retainer and where does it go.
https://aafords.com/aa-chassis/aa-4802- ... peed-aa/#i

Parts list show size, drawing shows location.
Regards, Neil Wilson
______________________________________
aafords.com@gmail.com - use this email for contact
https://aafords.com/
Shorthaul
Posts: 375
Joined: November 15th, 2008, 8:18 am
Body Type: 186 stake
Model Year: 1931
Location: Hawthorne California

Re: AA Coupling Shaft Thrust Spring Replacement Available

Post by Shorthaul »

:D Thank you.
Shorthaul
Posts: 375
Joined: November 15th, 2008, 8:18 am
Body Type: 186 stake
Model Year: 1931
Location: Hawthorne California

Re: AA Coupling Shaft Thrust Spring Replacement Available

Post by Shorthaul »

Am I correct that the housing rear support for the short shaft is located on the front of the cross member for stock configuration. And on the replacement it slips through the cross member from the back. https://aafords.com/aa-chassis/aa-4802- ... peed-aa/#i

https://aafords.com/aa-chassis/aa-4802- ... peed-aa/#i
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Neil Wilson
Posts: 3070
Joined: February 5th, 2003, 9:42 pm
Body Type: 82-A/89-A
Model Year: 1930
Location: Boulder, CO
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Re: AA Coupling Shaft Thrust Spring Replacement Available

Post by Neil Wilson »

Shorthaul wrote:
May 28th, 2023, 12:20 am
Am I correct that the housing rear support for the short shaft is located on the front of the cross member for stock configuration. And on the replacement it slips through the cross member from the back. https://aafords.com/aa-chassis/aa-4802- ... peed-aa/#i

https://aafords.com/aa-chassis/aa-4802- ... peed-aa/#i
It's the other way around.
Regards, Neil Wilson
______________________________________
aafords.com@gmail.com - use this email for contact
https://aafords.com/
Shorthaul
Posts: 375
Joined: November 15th, 2008, 8:18 am
Body Type: 186 stake
Model Year: 1931
Location: Hawthorne California

Re: AA Coupling Shaft Thrust Spring Replacement Available

Post by Shorthaul »

I see now how it’s supposed to be installed. I’m still wondering why the 4808 housing can’t be installed on the front side of the cross member. Another thing I didn’t realize, the universal joint has to be bolted to the intermediate shaft. I was wondering why I had an extra 7095 retainer.

I can’t rotate the rear drive shaft. Spinning the wheels won’t rotate it because the revolve opposite directions. Should I be able to attach a wrench to the universal joint and spin the shaft easily. I haven’t done anything other than remove the rear end as a complete unit.
Shorthaul
Posts: 375
Joined: November 15th, 2008, 8:18 am
Body Type: 186 stake
Model Year: 1931
Location: Hawthorne California

Re: AA Coupling Shaft Thrust Spring Replacement Available

Post by Shorthaul »

Upon further fiddling, I attached the short shaft and used vice grips to get the driveline to revolve. It was stuck from sitting.
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