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Thread: New England Firearms SB2

  1. #1

    Default New England Firearms SB2

    Picked up a NEF SB2 used. Someone must have done a trigger job on it.
    (Did a good job of it) BUT when it was reassembled the two top front pins were switched. I used two 3'16" tool steel pins to drift them out. In the process of switching the pins back to there correct locations I LOST the lifter spring off the pin. Any good ideas as to getting this spring back in correctly?

  2. #2
    Join Date
    Dec 2007
    Location
    Montezuma, IA
    Posts
    926

    Default

    Assemble the parts (lifter, spring, barrel catch) out of the gun using a slave pin made out of wood...don't remember the diameter of the steel pins, but for some makes & models, I've used round wood toothpicks, match sticks, or whatever. Place the parts in position and use the steel pin to shove the slave pin out of the frame, trapping the parts in their proper alignment. Here's a link to the owner's manual, which has a schematic dwg. towards the end...it shows the parts in their proper relationship: http://www.hr1871.com/documents/manu...FLE_MANUAL.pdf

    David Kaiser
    Montezuma, IA
    David Kaiser
    Montezuma, IA

  3. #3

    Default Thanks!

    This sounds good!

    The pins are 3/16" NOT 3'16" OPPS.
    In what order of assembly do you find works best?

    The manual will be a big help.

  4. #4
    Join Date
    Jan 2006
    Location
    Northern Neck Virginia
    Posts
    496

    Default

    Follow these instructions.

    I've been doing alot of these lately and just downloaded this persons instructions rather than figure it out for myself.

    I use cup pointed punches made on the lathe rather than his elaborate guide block system.

    http://www.perkloafm.com/pdf/Handi_instr_one.pdf
    http://www.perkloafm.com/pdf/Handi_instr_twob.pdf
    Ignorance is curable through education.

  5. #5

    Default

    Lots of great help from all!

    I figured out that I should have cupped my keeper pins when I found what was left if the spring.

    That wire just slipped in between the keeper pin & the stock pin.
    Cut that spring off better than a music wire cutter.

    I need to order a new one.

    There is four of these NEF's in the safe & this is the very first time one needed work & that was not NEF's doing.

    Thanks again guy's!!!!!!!!!

  6. #6
    barber Guest

    Default

    Quote Originally Posted by mcskipper
    Picked up a NEF SB2 used. Someone must have done a trigger job on it.
    (Did a good job of it) BUT when it was reassembled the two top front pins were switched. I used two 3'16" tool steel pins to drift them out. In the process of switching the pins back to there correct locations I LOST the lifter spring off the pin. Any good ideas as to getting this spring back in correctly?
    put a drop of super glue on it to hold it in place. It will come lose when you cock it.

  7. #7

    Default

    An update.
    The spring came from Brownells yesterday.
    Made 4 tool steel drift pins and 2 keeper pins 3/16" Dia.
    Drifts were 1.25" long. Keepers were 0.600" long. One keeper I made a cup end.
    Used the keeper w/ cup on the lifter spring parts.
    Used the other keeper on the trigger.
    I followed the instructions on assembly using the drift pins.
    When I was sure everything was correct I used the factory pins to drive out the drift pins.

    This type of action could be smoothed out but seeing the relation of the parts can't be done in this frame.

    If I can get some time on an optical comparator to get all the pin locations right. I would make a open frame to fit the parts to and do all the smoothing on.

    Smoothed plenty of actions over the years, but never gave this action much thought because it was less $.

    I think with the right fixtureing they could be made into a very nice action.
    The trigger job done took the action a long way but there is more to be done.

  8. #8
    Join Date
    Dec 2007
    Location
    Montezuma, IA
    Posts
    926

    Default

    Careful with smoothing out the NEF/H&R guns...the internals are made of case-hardened codfish, and it's not too deep on the surface!
    David Kaiser
    Montezuma, IA

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