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Hank45
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How to disassemble maynard action
May 12th, 2013 at 6:43am
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Where can I find a shematic that shows how to disassemble the maynard 1882 action? Thanks Hank45 Smiley
  
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creedmoormatch
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Re: How to disassemble maynard action
Reply #1 - May 12th, 2013 at 7:27am
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I am not aware of a schematic drawing for the Maynard. However, if you will look in the first two volumes of John Grant's book RE: Single Shot Rifles you well find a "cross sectional" drawing showing the various parts in their proper location with each other.

To disassemble, remove the butt stock which it held to the tang (upper & lower) by a long screw which enters the lower tang, plus one wood screw.  The stock moves rearward and slides off of the two tang pieces.

Next, remove the 2 leaf springs (one on top of the other) and held to the lower tang by one screw.  Do this using a screw driver "bit" which has a "hex" end to fit into a screw driver handle, but instead of the handle, due to space limitations between the two tangs, use a small ring wrench to fit the hex.  Clamp the springs to hold the tension and remove the screw, lift out the 2 springs.

Next, there is a "side plate" on the right side held on with two screws, one is the hammer screw and other is the trigger screw. remove the screws, lift off the side plate to expose the hammer and trigger.

Next, the bottom tang (also called the trigger guard plate) is held to the frame by 2 screws. Remove the screws and lift off the plate.

It is really quite simple, but don't loose the main spring stirrup (the rectangular piece that connects the main spring to the hammer).

I am assuming that you know how to remove the barrel from the "C" hook cross hinge pin which precedes the whole operation of dis assembly.

Any questions, please ask without hesitation.

C.M.M.
  
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creedmoormatch
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Re: How to disassemble maynard action
Reply #2 - May 12th, 2013 at 7:36am
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   Hank ---
               I failed to mention that all of the Maynard actions are of the same basic design, whether percussion or cartridge, with certain minor variations that were instituted as the need arose to make them.

   Are you wanting to disassemble a particular action due to a part failure and the need to correct that problem.  If so, please let us know, since replacement parts are available from at least three reliable sources.

  Or, are you of the mind set that would need to know how things were made and how the parts work together as a cohesive unit, which I readily understand.

  C.M.M.
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Hank45
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Re: How to disassemble maynard action
Reply #3 - May 12th, 2013 at 8:04am
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Creedmormatch, I want to remove the innards so I can send the frame out to be color case harden. Thanks Hank45 Smiley
  
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creedmoormatch
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Re: How to disassemble maynard action
Reply #4 - May 12th, 2013 at 8:09am
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Hank ---
           It is best not to use "Vice-Grip" pliers to take off the mainspring tension for the reason that the jaws will have teeth that can easily "score" the spring metal.  As you probably know, once the metal is scored that will present the possibility of the spring failure at that particular point.

If you have any sheet lead or brass, use that material between the spring and the teeth and you're good to go with Vice-Grips.

If the moderator is awake and at the switch, don't be surprised if you see your post moved over to the gunsmithing category at some future time.

Good luck,

C.M.M.
  
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creedmoormatch
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Re: How to disassemble maynard action
Reply #5 - May 12th, 2013 at 8:17am
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Quote:
Creedmormatch, I want to remove the innards so I can send the frame out to be color case harden. Thanks Hank45 Smiley


Hank45 --  If it is a percussion action you should be good with what I've offered.  If it is a cartridge action you are faced with one difficulty not mentioned earlier, that is, removing the firing pin retainer screw.  The screw is quite long and has a very small thread diameter, and a difficult screw to remove.  If you go after it, have one in your parts drawer in advance for a replacement.

I have one of those screws on order with John Bly (assra as DeadEye Bly) for that very reason.

I hope you take a few "before" and "after" photos to show us how it all goes.

C.M.M.
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Aonghas
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Re: How to disassemble maynard action
Reply #6 - May 12th, 2013 at 10:30am
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Hank45 wrote on May 12th, 2013 at 6:43am:
Where can I find a shematic that shows how to disassemble the maynard 1882 action? Thanks Hank45 Smiley


Any three-year-old boy wil ldo it for you

Aonghas
  
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ron
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Re: How to disassemble maynard action
Reply #7 - May 12th, 2013 at 11:46am
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cmm

You stated that on open end wrench could be used to drive the hex bit to remove spring screw. It one has a Chipman hex set kit the ratchet handle works fine for me.

Also you mentioned that there were 3 supplies for Maynard parts. who might they be? My first choice would be to patronize ASSA parts vendors, Some times it is hard knowing who they are.

ron
  
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creedmoormatch
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Re: How to disassemble maynard action
Reply #8 - May 12th, 2013 at 5:05pm
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Ron;
       There are actually four sources for Maynard parts; 1) John Bly, 2) Larry Romano 3) Phil Siess trading as S & S Firearms, and 4) The Rifle Shop.

I have no experience with the Rifle Shop, but they are a big supplier of antique firearms kits comprised of the own investment castings, so fit in original Maynards is yet to be determined for me.  Someone else may know about their Maynard kits.

Actually, I should have used the term "box wrench" instead of ring wrench.  Getting the main spring retainer screw is not difficult, but the space limitations require a 90 degree tool and the slot head X hex drive is the answer that I found.  I actually use the very small ratchet wrench that comes with the Lyman "Lubra-Sizer" press that is include by Lyman to fit the lube pressure cylinder tensioning screw.

C.M.M.
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creedmoormatch
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Re: How to disassemble maynard action
Reply #9 - May 12th, 2013 at 5:16pm
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  Oh, there is one other thing for you Maynard guys.  Looking at the Maynard spare parts posted at the S & S Firearms web site, it appears that their mainspring/sear spring retainer screw is made with a higher head than a normal height slotted head screw, and the reason being, I believe the head has two flats machined onto the head in addition to the slot, so that it my be loosened with a small open end wrench.   

Take a look and tell me if you are seeing what I've just described.

C.M.M.
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Captain Bob
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Re: How to disassemble maynard action
Reply #10 - May 12th, 2013 at 6:25pm
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C.M.M. - you are correct that the mainspring and trigger retaining spring retaining screw replacement screw sold by S&S has a square and slotted head - as do the originals. One of the oddities about 1865 civilian and second model military percussion Maynards is that the cones or nipples have a slightly smaller square shank than most other civil war period nipples which means that they also have a different style of nipple wrench with a square hole fitted to their special nipples. Original Maynard wrenches are rather difficult to find these days, but both S&S and Lodgewood sell reproductions of this special wrenches finished both polished in the white and a dark government finish as were the originals. Here is the kicker, these wrenches also, and I'm certain on purpose, fit the mainspring retaining screw. And in my experience this is the only tool needed to dismount and reinstall the screw which is just long enough to catch the threads by pressing down on the wrench when reinstalling the screw. interestingly as with most things Maynard this special screw was continued on into the 1873 and 1882 models which makes one of these wrench, original or reproduction a boon to any fan of Maynards. Man, put down those vise-grips!

Another suggestion to those who are disassembling a Maryard for the first time, especially if it looks like the arm in question does not look like it has disassembled before. As described in this or the other Maynard thread, after separating the barrel from the action the first step is to remove the stock. I have found it  good policy to rap the heal of butt plate firmly in the direction of the action once or twice before turning any of the retaining wood and metal screws, and a gain after removing the screws. I also take a half or full turn out on the two lower tang screws which join the tang to the action before attempting to slide the stock to the rear. These actions I find are very helpful in avoiding any tear-out to the stock.

Bob
  
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Re: How to disassemble maynard action
Reply #11 - May 12th, 2013 at 6:30pm
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Re: Maynard parts

S & S Firearms
Mailing Address | 74-11 Myrtle Ave Glendale, NY 11385
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Bob
  
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creedmoormatch
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Re: How to disassemble maynard action
Reply #12 - May 12th, 2013 at 7:41pm
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  Hello Capt. Bob ---
                           I'm glad you could join us this evening, and particularly appreciate your contribution to the issue of Maynard dissassembly.  I have my parts list already made up for next week at Ft. Shenadoad and one item it to check out the Phil Siess' version of the main spring retainer screw.  If it is in fact long enough, as you say, to catch the lower tang hole threads, I'm all for it.

Do you shoot w/ a N-SSA team and if so would you care to mention the name.  I was previously shooting w/ First Maine H.A.

Welcome to this neck of the woods, the sign says "A.S.S.R.A." but hey, it all folds in together after you've done it for awhile.

Creedmoormatch

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Captain Bob
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Re: How to disassemble maynard action
Reply #13 - May 13th, 2013 at 12:12am
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CMM - thanks for your reply. I have shot with the 10th Virginia since the mid-1990s and attended my first skirmish in autumn 1958 (18th National) after which I joined the 1st Pennsylvania Artillery. I was a founding member of the 118th PVI until I went to university in the mid-1960s. In fact I was an ASSRA member for a number of years during the 1980s and into the 1990s. And was a great friend with the late John Grant who was at one time a President of your organization, and the best spotter I ever had the pleasure to shoot with. I've been a friend of John Bly since the late 70's Morgan's Riflemen flintlock days and presently shoot a couple of his barrels - 50 percussion and 25-20 SS 1882. I've met and corresponded with the Green Frog a time or two. So as you point out, in time it all really does seem to roll together. Look forward to perhaps meeting you at the fort.
Sincerely,  Bob
  
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mwhite49
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Re: How to disassemble maynard action
Reply #14 - May 13th, 2013 at 3:19pm
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When you are ready to pull out the side plate be careful,most are a really tight fit. I use a small screwdriver from below and one above to wiggle them out. Sometimes with the help of a brass hammer.
  
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