Snap On round head disassembly

[jdcompman]

Dumb question....

How do you take this thing apart? I don't see anyway to get the head open. :headscrat

The one I'm trying to get open is a TM741

Thanks!

[Fedwrench]

I'm thinking there is a splitring on the drive side that you need to walk off with a pick.

[jdcompman]

Fedwrench now that you say that and I look at it close I do believe you are correct. Thanks for your help.

[billymade]

jdcompman, if you would.... could you do a ratchet "autopsy" for those of use who haven't torn one down yet? I'm sure everyone here would appreciate the "how to" on a rebuild of one of these ratchets! :)

[zuspiel]

jdcompman, if you would.... could you do a ratchet "autopsy" for those of use who haven't torn one down yet? I'm sure everyone here would appreciate the "how to" on a rebuild of one of these ratchets! :)

I second that! :beer:

...even though I don't own one. I like looking at naughty pictures with everything laid bare :bounce:

[jdcompman]

jdcompman, if you would.... could you do a ratchet "autopsy" for those of use who haven't torn one down yet? I'm sure everyone here would appreciate the "how to" on a rebuild of one of these ratchets! :)

I second that! :beer:

...even though I don't own one. I like looking at naughty pictures with everything laid bare :bounce:

Ask and you shall receive... :thumbup:

http://i254.photobucket.com/albums/hh81/jdcompman/Snap%20On%20TM741%20Disassembly/Picture-0041.jpg

All Laid out and ready to get started.

http://i254.photobucket.com/albums/hh81/jdcompman/Snap%20On%20TM741%20Disassembly/Picture-0051.jpg

The unsuspecting patient (TM741)

http://i254.photobucket.com/albums/hh81/jdcompman/Snap%20On%20TM741%20Disassembly/Picture-0071.jpg

The top of this picture you can see the very small ridge which is the edge of the ring that secures the head.

http://i254.photobucket.com/albums/hh81/jdcompman/Snap%20On%20TM741%20Disassembly/Picture-0081.jpg

Removing the retaining clip. Since this is only a 1/4" drive ratchet I found the razor blade worked best to work the retaining ring off.

http://i254.photobucket.com/albums/hh81/jdcompman/Snap%20On%20TM741%20Disassembly/Picture-0241.jpg

Retaining ring removed

http://i254.photobucket.com/albums/hh81/jdcompman/Snap%20On%20TM741%20Disassembly/Picture-0191.jpg

Shot of the retaining clip

http://i254.photobucket.com/albums/hh81/jdcompman/Snap%20On%20TM741%20Disassembly/Picture-0211.jpg

Another shot of the retaining clip

http://i254.photobucket.com/albums/hh81/jdcompman/Snap%20On%20TM741%20Disassembly/Picture-0261.jpg

Once the clip is off, the head simply pushes out of the ratchet body

http://i254.photobucket.com/albums/hh81/jdcompman/Snap%20On%20TM741%20Disassembly/Picture-0301.jpg

Head out of the ratchet body and a shot of the pawls

http://i254.photobucket.com/albums/hh81/jdcompman/Snap%20On%20TM741%20Disassembly/Picture-0351.jpg

Another shot of the reversing mechanism.

http://i254.photobucket.com/albums/hh81/jdcompman/Snap%20On%20TM741%20Disassembly/Picture-0291.jpg

Shot of the teeth inside the ratchet body

http://i254.photobucket.com/albums/hh81/jdcompman/Snap%20On%20TM741%20Disassembly/Picture-0271.jpg

All taken apart.

Reassembly obviously in reverse order.

Some of the pictures may look kind of greasy because I had already cleaned this ratchet up and put it back together before I saw the request for a tutorial. When I first took this ratchet apart, it was bone dry and filled with rust. It feels as good as new now.

[zuspiel]

Awesome! Great pics and explanation. Thanks a lot.
I've never seen a retaining ring like that...

Thanks again :beer:

[billymade]

Killer pics! Thanks so much! :)

[Fedwrench]

Great write up and pictures!! A new thread should be started with the posts and photos from all of the disassembled ratchets at the top of the forum like the tool manufacturers.

I can't believe you used a different lube the Merkava's red permatex.:bowdown::bowdown:

[Adam McLaughlin]

Spiral retaining snap rings in this style are VERY common in transmissions - you'll see them in almost every drum that has a sprag on it. 4L80E, TH400, etc. 4R70W.

Adam

[Bull]

Great write up and pictures!! A new thread should be started with the posts and photos from all of the disassembled ratchets at the top of the forum like the tool manufacturers.


That is an awesome idea. With all the ratchets that people on here own, we'd have a database for disassembling just about anything ever made.

[billymade]

Admin, can you please help us with this? There is so much good info that is scattered and buried so deep, its almost useless! Especially, with the native search engine!

[ImportTuner]

Great write up and excellent pictures to go with it; great job, thanks :)