Smith & Wesson Forum

Go Back   Smith & Wesson Forum > >


Reply
 
Thread Tools Display Modes
  #1  
Old 02-06-2017, 12:50 PM
Jul Jul is offline
Member
 
Join Date: Mar 2009
Location: VA.
Posts: 102
Likes: 29
Liked 35 Times in 10 Posts
Default New Cylinder & Ratchet questions

Got a unfluted cylinder for my 629. I knew it would have to be timed if I couldn't use the old ratchet like I have done with a couple other Smiths I have. Well the old ratchet don't fit in the cylinder center hole. It's all the new style parts but just don't fit. I installed the new cylinder and ratchet and it locks up nicely. Trouble is the hand is not sliding past the ratchet after lock up to allow the hammer to go all the way back to cock position. Same in pulling the trigger...it locks up great but will not pull all the way back.
Should the hand or ratchet be worked on? or both? I have new hands on hand and a couple ratchets.
Reply With Quote
  #2  
Old 02-06-2017, 12:53 PM
OldChief OldChief is offline
Member
New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions  
Join Date: Apr 2016
Location: Northern California
Posts: 267
Likes: 86
Liked 169 Times in 103 Posts
Default

Probably both.
Reply With Quote
  #3  
Old 02-06-2017, 01:20 PM
armorer951's Avatar
armorer951 armorer951 is online now
Member
New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions  
Join Date: May 2012
Location: Evansville, Indiana USA
Posts: 2,793
Likes: 105
Liked 2,495 Times in 1,079 Posts
Default

The ratchets will have to be individually cut to accomodate the width of the hand so that the hand will be able to pass them, and enable to cylinder to carry up properly. This is done with a Nicholson 4", 0 cut barrette file. The hand is not modified.
If you don't have experience cutting ratchets, this job is better left to a trusted, experienced gunsmith, or contact S&W.
__________________
Ret LE, FA Instr, S&W Armorer
Reply With Quote
The Following 6 Users Like Post:
  #4  
Old 02-06-2017, 01:20 PM
Toolguy Toolguy is online now
Member
New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions  
Join Date: Jan 2010
Location: Kansas City area
Posts: 370
Likes: 1,069
Liked 392 Times in 162 Posts
Default

Don't do anything to the ratchets. You need a thinner hand. You can sort through the ones you have, or you can file the nose down on one if they are all too wide. To file down the nose, you use a diamond file and file on the side next to the center pin, just on the nose part that sticks out the hand window. Do about a thousandth at a time, check with micrometer or calipers, file some more, check again, etc.
Reply With Quote
The Following User Likes This Post:
  #5  
Old 02-06-2017, 05:10 PM
Nightowl's Avatar
Nightowl Nightowl is offline
SWCA Member
New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions  
Join Date: Apr 2004
Location: Warrensburg, MO USA
Posts: 3,733
Likes: 585
Liked 1,101 Times in 671 Posts
Default

Toolguy knows of which he speaks!

If you have thinner hands in stock, try replacing the hand until you find one that fits. Just guessing at a starting place, try one .004 smaller and see how that one works, then if it is still to wide, you can go smaller or start thinning it.
__________________
Richard Gillespie
Reply With Quote
The Following User Likes This Post:
  #6  
Old 02-06-2017, 07:55 PM
Jul Jul is offline
Member
 
Join Date: Mar 2009
Location: VA.
Posts: 102
Likes: 29
Liked 35 Times in 10 Posts
Default

Thank you. I do have extra hands and will go through them for a thinner one.
Reply With Quote
  #7  
Old 02-06-2017, 08:04 PM
Muss Muggins's Avatar
Muss Muggins Muss Muggins is offline
Member
New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions  
Join Date: Mar 2014
Location: southeast Missouri
Posts: 6,609
Likes: 2,199
Liked 7,504 Times in 2,783 Posts
Default

Quote:
Originally Posted by Jul View Post
Got a unfluted cylinder for my 629. I knew it would have to be timed if I couldn't use the old ratchet like I have done with a couple other Smiths I have. Well the old ratchet don't fit in the cylinder center hole. It's all the new style parts but just don't fit. I installed the new cylinder and ratchet and it locks up nicely. Trouble is the hand is not sliding past the ratchet after lock up to allow the hammer to go all the way back to cock position. Same in pulling the trigger...it locks up great but will not pull all the way back.
Should the hand or ratchet be worked on? or both? I have new hands on hand and a couple ratchets.
You need a ratchet cutter and a file, and the knowledge to use both. The hand does not need to be filed . . .
__________________
Wisdom comes thru fear . . .
Reply With Quote
The Following 2 Users Like Post:
  #8  
Old 02-06-2017, 08:49 PM
H Richard's Avatar
H Richard H Richard is offline
US Veteran
New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions  
Join Date: Aug 2006
Location: West Central IL
Posts: 15,459
Likes: 6,260
Liked 7,848 Times in 3,606 Posts
Default

This is a job for an experienced gunsmith. Be prepared to purchase all new parts if you proceed on your own without proper education and skill.
__________________
H Richard
SWCA1967 SWHF244
Reply With Quote
The Following User Likes This Post:
  #9  
Old 02-11-2017, 11:00 AM
Jul Jul is offline
Member
 
Join Date: Mar 2009
Location: VA.
Posts: 102
Likes: 29
Liked 35 Times in 10 Posts
Default

I have extra parts so I'm going to give it a try. It may take me a while but I feel confident I can do it.
Reply With Quote
The Following 3 Users Like Post:
  #10  
Old 02-14-2017, 10:10 PM
shovelwrench's Avatar
shovelwrench shovelwrench is offline
Member
New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions  
Join Date: Sep 2006
Location: Pennsylvania 17963
Posts: 1,220
Likes: 187
Liked 161 Times in 86 Posts
Default

There's a saying I learned when building 1911s...

"Always modify the cheaper part."

I just got a 617 cylinder for a project and the hand binds on all cylinders....

Guess what part I'm going to remove material from??!!

Hands are cheap!!
Reply With Quote
The Following User Likes This Post:
  #11  
Old 02-15-2017, 07:26 PM
Jul Jul is offline
Member
 
Join Date: Mar 2009
Location: VA.
Posts: 102
Likes: 29
Liked 35 Times in 10 Posts
Default

Quote:
Originally Posted by shovelwrench View Post
There's a saying I learned when building 1911s...

"Always modify the cheaper part."

I just got a 617 cylinder for a project and the hand binds on all cylinders....

Guess what part I'm going to remove material from??!!

Hands are cheap!!
That is what I plan to do but after going through my parts box all I have is K & L frame hands. I ordered a few from Brownells. Should be here before the weekend.
Reply With Quote
  #12  
Old 02-18-2017, 06:40 PM
Jul Jul is offline
Member
 
Join Date: Mar 2009
Location: VA.
Posts: 102
Likes: 29
Liked 35 Times in 10 Posts
Default

Well after I removed and replaced my Daughters garage door I was home in time for the mail man.
Took me a little over 3 hours to get this new Unfluted Cylinder and new hand to fit correctly. My arthritis cut me some slack so I didn't have to stop and start after each time I took it apart. I went very slowly and took off a .0001 at a time from just the left side of the Hand nose. I totally lost count how many times I did this. When I got it to where the trigger would cycle on all chambers I put it all back together but it was a little rough on 2 and they were easy to see this with the hammer off looking through the hand window. I did however dress the ratchet on those 2 only but I did hit all of them with a stone just to smooth the edges of any burrs. Thank goodness for the Diamond eze lap to do all the work except for the stoning. I don't like using files for this kind of work. After completing I held a light at the rear with the hammer removed and looking down the business end all looked centered after 2 full cycles. I am very happy how it turned out. I have done hundreds of trigger jobs but at 63 this is my first time for this. Here's a picture of it with the new cylinder installed. Hopefully I can give it the real test tomorrow.
Attached Thumbnails
New Cylinder & Ratchet questions-img_20170218_161944758-jpg  
Reply With Quote
The Following 2 Users Like Post:
  #13  
Old 02-18-2017, 07:31 PM
Toolguy Toolguy is online now
Member
New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions New Cylinder & Ratchet questions  
Join Date: Jan 2010
Location: Kansas City area
Posts: 370
Likes: 1,069
Liked 392 Times in 162 Posts
Default

Great job Jul! Going slow over and over is a pain, but it's very easy to go too far if you don't try to sneak up on it. It sounds like it all turned out well due to your patience and being careful.
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Ratchet teeth gouging blast shield when closing cylinder Hapworth S&W-Smithing 16 04-22-2016 09:04 PM
What does Uncut Ratchet Mean on New Cylinder? GeoJelly S&W-Smithing 20 12-17-2015 08:57 PM
Out of time/ratchet bind after fixing cylinder endshake schneiderguy S&W-Smithing 12 11-21-2014 09:12 AM
686-6 cylinder questions S&W1006 S&W-Smithing 4 11-01-2014 02:59 PM
Cylinder Ratchet Fitting? TAROMAN S&W-Smithing 14 10-06-2014 11:56 PM

Powered by vBadvanced CMPS v3.2.3
smith-wessonforum.com tested by Norton Internet Security smith-wessonforum.com tested by McAfee Internet Security

All times are GMT -4. The time now is 05:42 PM.


S-W Forum, LLC 2000-2015
Smith-WessonForum.com is not affiliated with Smith & Wesson Holding Corporation (NASDAQ Global Select: SWHC)