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SKS problems

Discussion in 'Rifle Country' started by hatchetbearer, Feb 13, 2008.

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  1. hatchetbearer

    hatchetbearer Member

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    found a decent yugo SKS for 169 at a local retailer. got all the cosmoline cleared out and took it out to fire some rounds though it, using wolf FMJ it will fire a round, but will not eject the spent cartridge and thus not chamber a new round. i have to forcibly pull back on the bolt to get it to chamber a new round. accurate as hell just wish it would work correctly, bolt only moves back about 1/2" acting like it wants to go back but seems to get caught on something and get stuck. any ideas on what is wrong?
     
  2. Skofnung

    Skofnung Member

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    Are all parts present and accounted for? (e.g., did you remember to put the piston extension and return spring back after cleaning?)

    Is the chamber clean and smooth?

    Is the extractor in good shape?
     
  3. Bartkowski

    Bartkowski Member

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    I would just check the gas valve and make sure the it is in the right posistion. If that is not the problem, then it might just be the ammo. I only had this happen once, I was using wolf lacuered steel and the case was stuck, I wasn't able to just pull it back, so I had to tap on the bolt handle.
     
  4. TehK1w1

    TehK1w1 Member

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    My Yugo SKS does that with the cheap Wolf FMJ stuff, the Yugo has a very tight chamber that the cheap wolf cases get stuck on a lot. I have not had that problem with any other ammo however.
     
  5. hatchetbearer

    hatchetbearer Member

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    all parts are accounted for gas shutoff is in the correct position, could be ammo, not sure, but my friend's will only run reliably on wolf and his is also a yugo.
     
  6. Skofnung

    Skofnung Member

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    Hmm, the only SKS rifles that I have any experience with are either Norincos or Ruskies. If everything is in place and in good shape, then I don't know what to tell you.

    I'd give the chamber a good scrubbing and try again. If the problem persists, take a chamber cast and see if it is indeed tight.
     
  7. Cmdr. Gravez0r

    Cmdr. Gravez0r Member

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    If its a yugo you may have a problem with the gas switch or system. Check www.sksboards.com, they are the experts and are very friendly.
     
  8. hatchetbearer

    hatchetbearer Member

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    all parts are accounted for gas shutoff is in the correct position, could be ammo, not sure, but my friend's will only run reliably on wolf and his is also a yugo.
     
  9. ClickClickD'oh

    ClickClickD'oh Member

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    You need to localize the failure.

    Question 1: Does the weapon hand cycle?

    Load the magazine, and try to cycle the whole load through the action (please, please, please do this at a range).

    If you can cycle a magazine load through the rifle then the problem is in the gas system. Strip off the gas tube and make sure both pistons and the necessary spring are where they need to be and not seized. If both pistons are where they need to be and free to move that leaves only one culprit. The gas valve. It could be defective. A leaky gas valve will prevent the rifle from cycling properly
     
  10. hatchetbearer

    hatchetbearer Member

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    it will hand cycle just fine, but not on its own so it has to be in the gas system,
     
  11. ROMAK IV

    ROMAK IV Member

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    So will a recoil spring that is in backwards. Make sure the less supported end of the spring, the one that is in a spiral, goes into the hole in the back of the bolt carrier.
     
  12. hatchetbearer

    hatchetbearer Member

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    recoil spring is in correct direction
     
  13. jpatterson

    jpatterson Member

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    i shot an old SKS last weekend, same problem. after giggling the gas valve at the end of the barrel a little bit, i corrected the problem. also firing wolf ammunition.
     
  14. hobbeeman

    hobbeeman Member

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    Here are some old threads that talk about this problem

    http://www.thehighroad.org/showthread.php?t=196406
    http://www.thehighroad.org/showthread.php?t=241802

    I had similar problems a few years ago and after making sure the gas system was completely clean, including the two "op rods", I made a small gasket out of a piece of copper wire and placed it around the base of the gas valve. I haven't had any more problems that I could not identify.

    Another good site is

    http://www.surplusrifle.com/

    If you have a rifle that shoots accurately, by all means fix the problem! Don't trade off the rifle! I have 3 and only one is very accurate, and from what I have seen, this is pretty good odds
     
  15. jpwilly

    jpwilly Member

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    Check to be sure the hole in the gas block is not plugged up. Some yugo sks's have issues with the gas shut off system leaking and not enough pressure to cycle. Double check the op rod and be sure that it's not obstructed etc etc. I'm sure you've done this! Polish the chamber with a 45cal bronze brush and a cordless drill! if that doesn't work congrats on your bolt action SKS!
     
  16. Pipe Burn

    Pipe Burn Member

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    I had to replace the gas tube with a tapco aftermarket on my yugo. The gas tube was out of round where it mated with the gas block/shut off, causing a leak. I can't figure out why it was worn as bad as it was. It works like a charm now.
     
  17. hatchetbearer

    hatchetbearer Member

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    bolt action SKS, could be a rarity. but seriously im thinking i have a gas leak. ill use my friends yugo and go piece by piece to see what is bad and go from there. ill try that wire gasket trick too and see if that works, sucks, shes a damn nice shot, hate to see her be a safe queen
     
  18. TimboKhan

    TimboKhan Moderator

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    well, no reason for that. If it's just a little part, it shouldn't be overly difficult to find a replacement for it.
     
  19. railroader

    railroader Member

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  20. Newton

    Newton Member

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    Accurate as hell but unreliable.

    Are you sure it isn't an AR-15 ;)
     
  21. Eb1

    Eb1 Member

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    Newton, that was horrible.
     
  22. pdowg881

    pdowg881 Member

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    I have to agree that it's likely the gas valve. Mine did the same thing and i got a new one. Shoots great now. Check for any corrosion or if the valve is loose fitting.
     
  23. jr45

    jr45 Member

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    Could be lacquer built up in the chamber. If this is a Yugo, it is very hard to see the lacquer in the non-chromed lined chamber. I recommend using an oversize brush and some good solvents and clean the chamber really well.
     
  24. Mr White

    Mr White Member

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    +1 for jr45's suggestion. When you manually cycle the bolt, is it hard to pull back? The old military cases are lacquered and that stuff is HARD to get out of the chambers.

    Steel 45 cal bore brush attached to a cleaning rod section chucked into a drill. Use lacquer thinner, brake or carb cleaner, Hoppes, PowderBlast, ... and go at 'er. don't be shy. You can't hurt it. Try that before going thru a lot of work diagnosing a gas system problem.
     
  25. TimboKhan

    TimboKhan Moderator

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    The .45 brush in the drill trick isn't a bad idea, but after doing a little research on the issue, I'd bet anything that it's the gas valve.
     
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