Transmission case repair

[Fast31]

I had a 1931 gearbox housing with a worn down cluster gear boss. I made a grinding/lapping tool to grind the surface flat and smooth again. I ground the boss back to accept a 1928 thrust washer. Henry skipped those and made the bosses taller at the end of 1928 to cut on cost. Luckily these washers are still available. I worked to get a cluster gear end play of .005” - .017” as per Van Pelt’s Transmission Book. I glued sand paper onto the lapping tool, one on each side, started with 60 grid, followed by 80 and finished with 120. I made a little video to show the details. Check my channel 29FastFord or the link below.

https://youtu.be/dLPqmao-GlM

[JBill]

Very clever! Fun video to watch. You're quite a craftsman. Well done!

[Fast31]

Thank you! The fun part is probably my accent ;-).

[jhowes]

Interesting, where does one find the measuring tools that are needed for so many things when working on a car? I have some that I found on ebay but generally I don't know what the tool is called, like his inside caliper set. Jackdumb

[Fhane]

Very good. Thanks

[Fast31]

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Originally Posted by jhowes

Interesting, where does one find the measuring tools that are needed for so many things when working on a car? I have some that I found on ebay but generally I don't know what the tool is called, like his inside caliper set. Jackdumb

Telescoping gauge kit. We have several tool webshops in The Netherlands. I regularly scroll through these webshops, just to look what’s available.

[Russ/40]

So happy to see your post and video. I'm a real fan of doing it yourself. Your solution shows how a little ingenuity and the job can be done without a machine shop. I did something similar on my case. Your solution is far more elegant than mine was. Great post.

[Chuck Sea/Tac]

Did you make the bearings for the tool as well? Very nice.

[BILL WILLIAMSON]

Fast31,
I'm surely AMAZED by your skills & ingenuity! GREAT Camera skills, also!
Can't even imagine how many hours it took???
Bill W.

[Fast31]

Originally Posted by BILL WILLIAMSON

Fast31,
I'm surely AMAZED by your skills & ingenuity! GREAT Camera skills, also!
Can't even imagine how many hours it took???
Bill W.

Bill, it took me one evening to machine the shaft, lapping disk and the 2 bearings. The cast iron grinds away pretty easy, but so does the sandpaper. So I had to cut off and glue on sandpaper several times. Waiting for the glue to cure took the longest time (and patience).

For me a large part of the Model A hobby is to find or to think up, design and build special tools to do the job right.

[BILL WILLIAMSON]

Originally Posted by Fast31

Bill, it took me one evening to machine the shaft, lapping disk and the 2 bearings. The cast iron grinds away pretty easy, but so does the sandpaper. So I had to cut off and glue on sandpaper several times. Waiting for the glue to cure took the longest time (and patience).

For me a large part of the Model A hobby is to find or to think up, design and build special tools to do the job right.

Fast31,
You're a DEDICATED Man, keep it up!
Find Markus Maurers' website in Zurich, Switzerland, he's made up MANY special tools & fixtures, while restoring his Grandfathers' '29, extended wheelbase, flatbed "A", with a special cab, built by some well known builder there.---There's HOURS & HOURS of GREAT info on his site. The Dog & I communicate with him, OFTEN. He posts GREAT step by step photos of his 14 Year restoration, including very PRECISE INFO/DRAWINGS/DIMENSIONS/ETC, of all the tools & fixtures he builds! Markus should get an "AWARD" for his camera skills, at least.
Bill W.

[glenn in camino]

Interesting, but there are lots of used good ones at swap meets.

[Cape Codder]

Bill,
So how do I find this Markus Maurers website?

[RUNNERBUN]

Originally Posted by glenn in camino

Interesting, but there are lots of used good ones at swap meets.

Yes, there might be, but where is the self satisfaction of having solved the problem with your own ingenuity, design and skill.
I say congratulations and well done and thanks for sharing.

[JBill]

Originally Posted by glenn in camino

Interesting, but there are lots of used good ones at swap meets.

Might not be so many swap meets in the Netherlands, where the poster is located.

[Fast31]

Originally Posted by JBill

Might not be so many swap meets in the Netherlands, where the poster is located.

You are so right!