Bialaddin 305

Discussion in '305' started by Johnny19, Mar 4, 2021.

  1. Johnny19 United Kingdom

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    Just got this, my first 305 to add to the collection. Fires up but needs a good fettle!
    Control cock very tight, and pump is coming back out. Had to put a new glass in, but overall the 305's are great looking lamps!

    305.jpg
     
  2. Fireexit1

    Fireexit1 United Kingdom Subscriber

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    Sounds like a seal kit needed - but a nice looking lamp wearing its usage well :thumbup:
     
  3. Johnny19 United Kingdom

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    @Fireexit1 Yes got a seal kit, but I need to do a bit of research into dealing with the pump valve. Never had to do that part before!
    Might leave the hood alone though...It's got character!
     
  4. Fireexit1

    Fireexit1 United Kingdom Subscriber

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    They are quite simple really - unscrew valve. Take out, dismantle valve - dig old rubber pip out of small brass cup, replace, reverse.
    Correct size screwdriver useful, and sometimes the dismantling (the valve body unscrews from the threaded part) can be a challenge.
    What I have found crucial is making sure the new rubber has parallel sides and no extra bits hanging on. If the rubber is not flat in the little brass cup it may let air by.
     
    Last edited: Mar 4, 2021
  5. Johnny19 United Kingdom

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    Many Thanks for that! I have all the washers and seals.
     
  6. David Shouksmith

    David Shouksmith United Kingdom Founder Member

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    Yes, you want a big screwdriver with as broad a blade as possible and one that fits comfortably into the slot. Mine's called 'Big George'. :whistle:

    They usually come out pretty easily but if not, consider mounting the tank in a Workmate or something similar. Otherwise, try putting the screwdriver in a vice and turning the tank instead. Sometimes you can unscrew them but they refuse to fall out, in which case use a compressor air-gun pushed into the jet cleaner hole. If you do, don't be surprised at the amount of momentum / energy / muzzle velocity they can have as they exit the pump-tube... :oops:
     
  7. Johnny19 United Kingdom

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    Many Thanks to You both. I'll be working on this tomorrow probably, got to get some paraffin in the morning. I'll post it fires up when done!
     
  8. David Shouksmith

    David Shouksmith United Kingdom Founder Member

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    I forgot to mention that when you get the NRV out of the lantern and you're dismantling it, what may appear to be a nice convenient little screwdriver slot at the far end actually isn't. Heaven knows what it was intended for but don't worry, when you snap off one side, the NRV will probably still work... :roll: :oops:
     
  9. Nils Stephenson

    Nils Stephenson Founder Member

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    Use an old drill chuck to hold the barrel of the NRV instead. That way you avoid breaking off the side of the NRV. I think many have learnt the hard way.
     
  10. Johnny19 United Kingdom

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    So leave the little screw slot alone?
     
  11. podbros

    podbros United Kingdom Subscriber

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    Try it first, but gently.. watching to see if it looks like it's going to shear off? :thumbup:
     
  12. Tony Press

    Tony Press Australia Subscriber

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  13. Carlsson

    Carlsson Sweden Admin/Founder Member

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    Tony, it is a good method, and thanks for the credit!

    To use an old drill chuck is actually useful for a lot more other things than our NRV's, so I really urge people to keep this tip in mind for any case when you need to hold a round/cylindrical object in one hand and work with it with the other.
    Sounds like a thing you perhaps seldom will find yourself in, but you would be surprised how often you will be there once you are aware of it :lol:
    So a loose drill chuck is a must in everyones tool box!

    @Tony Press
     
  14. JEFF JOHNSON

    JEFF JOHNSON United Kingdom Subscriber

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    Happy fettling!:thumbup:
     
  15. Johnny19 United Kingdom

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    So guys...if I have any questions tomorrow whilst fettling, am I ok on this thread or should I ask on kettle section?
     
  16. Tony Press

    Tony Press Australia Subscriber

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    If it were me, I would ask on the Fettling forum.

    Cheers

    Tony
     
  17. David Shouksmith

    David Shouksmith United Kingdom Founder Member

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  18. Johnny19 United Kingdom

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    Sorry phones fault as away fro pc. It's that predictive text thing. Apologies.
     
  19. David Shouksmith

    David Shouksmith United Kingdom Founder Member

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    No problem - only joking... :p
     
  20. Johnny19 United Kingdom

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    I have to thank all of You for Your advice! :lol: The NRV was no problem, pip replaced OK. I did have to clean inside where it sits, which was awkward, but done OK.
    Next job is the vaporiser and jet valve, because there isn't a lot getting through it seems......
    Thanks again!

    305d.jpg 305b.jpg
     
  21. Fireexit1

    Fireexit1 United Kingdom Subscriber

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    Well done @Johnny19 - It is not a valve would you believe ? it only moves the pricker up and down. Give the pricker a little clean without damaging the pointy bit. Looks OK in the pictures tho.
     
  22. Johnny19 United Kingdom

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    @Fireexit1 Thanks. It's still a bit feeble though, its not as bright as the photo suggests. I'm just about to post a test picture of a 315 shortly, and its in worse shape, but 3 times as bright.
     
  23. Fireexit1

    Fireexit1 United Kingdom Subscriber

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    In no particular order to consider: dirt in the fuel pipe, dirt in the burner, dirt in the tank, carbon on the needle/pricker, I did find a washer inside the jet cleaner (valve) once - should not have been there.
    Also you could try swapping the vapouriser off your 315 and see if anything changes. if so then it is probably vapouriser related. You can also swap the whole burner in the cap too to discount the burner. You get the idea :)
     
  24. Johnny19 United Kingdom

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    @Fireexit1 Process of elimination!
    The 315 I got is pretty Scruffy (pics shortly), but I do have a lovely polished brass tank going spare....So plenty of scope for swapping stuff around!
     

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