Tx200 service

Discussion in 'Piston & Spring' started by SteveU, Aug 13, 2019.

  1. SteveU

    SteveU New Member

    Joined:
    Jul 29, 2019
    Messages:
    4
    Location:
    Hampshire
    Does anyone know if there is a recommended service or rebuild interval?

    I have recently been using mine and it seems inconsistent and I seem to be chasing around the zero at 30 yards. It's new to me but a used rifle and I believe that it had a few years just stood in a gun cabinet.

    I am tempted to have a look myself but information on greasing/oiling seems a little contradictory online. Any suggestions would be welcome.
     
  2. NeilM

    NeilM Well-Known Member

    Joined:
    Mar 15, 2015
    Messages:
    1,519
    Location:
    Nth Somerset
    Club:
    Mendip & Shebbear
    First job is to give the barrel a good clean, making sure no fluid of any sort makes it into the transfer port / cylinder.
     
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  3. Nomads HFT

    Nomads HFT Well-Known Member

    Joined:
    Sep 27, 2015
    Messages:
    449
    Location:
    Worcester
    I'd first strip the rifle and de-grease the components, then check what's inside; whether a kit or any non-standard components had been fitted, whether the spring was fatigued, and renew accordingly, then reassemble with new breech and piston seals, using a high molybdenum content grease.
     
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  4. KeithW

    KeithW Barn door? Where?

    Joined:
    Feb 10, 2012
    Messages:
    292
    Location:
    Nr Sandy, Beds
    Club:
    Cambridge
    Use a pull-through on the barrel and see what comes out, could be grease and / or rust in there. Once you are happy it is clean then re-lead it with 100+ pellets. Thereafter (my experience) the barrel only need a felt shot down it, no lube, if the groups start to open up. My experience is that I do this every 200 shots or so, however many people will tell you you they never do anything to clean the barrel, so just do what suits you.
    You should be able to achieve 1/2" groups at 45 yards without much problem - depending on your own skill levels.
     
    SteveU likes this.
  5. SteveU

    SteveU New Member

    Joined:
    Jul 29, 2019
    Messages:
    4
    Location:
    Hampshire
    Thank you all for the advice.

    I have tried a pull through today and the barrel was very dirty.

    I was not overly happy with the look of the breach seal, so decided to drop it in to a local gunsmith to get it serviced. Should be back in a week or so and then I'll have no excuse for terrible grouping.
     

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