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Dolmar 420 3/8” drum question.

Discussion in 'Chainsaws' started by Adamski, Jan 11, 2019.

  1. Adamski

    Adamski Plebus Splederns

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    Does anyone know of a drum that is 3/8 that will fit my 420? I have a .325 clutch drum on it atm and can’t find a 3/8 drum or part number that will fit it anywhere. Btw I am in the uk.

    Cheers
     
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  2. Adamski

    Adamski Plebus Splederns

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    Want to fit this bar to the saw as I love the way a 3/8lp works on a ms241.

    IMG_6798.jpg
     
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  3. Simondo

    Simondo Pinnacle OPE Member

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    You need the sprocket from the Ps-350 as they can be supplied in 3/8 lp . Same saw as the ps-420/421 but 35 cc top end.
    @ajschainsaws ...Andrew may be able to help you.
     
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  4. Simondo

    Simondo Pinnacle OPE Member

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    Set as 14 " 3/8 LP ....
    Photo1177.jpg
     
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  5. Wilhelm

    Wilhelm Pinnacle OPE Member

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    Convert to PS-5101 drum to utilize rim sprockets!
    If memory serves You need a PS-5101 drum and a 0.2mm washer.

    Andrew @ajschainsaws should be able to get You sorted.
     
  6. Simondo

    Simondo Pinnacle OPE Member

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    There is still a issue with the 3/8 lp rim to fit on the sprocket drive over here Wilhelm. Stihl Pico 3/8 is the only rim (at the moment but may be changing !!) and will not fit as standard so the least line of resistance is to go with Dolmars own 3/8 lp sprocket for now or do as you suggest and upgrade to the Ps-5105 rim and sprocket drive sticking with .325.
     
    Last edited: Jan 11, 2019
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  7. Wilhelm

    Wilhelm Pinnacle OPE Member

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  8. ajschainsaws

    ajschainsaws Axes never run out of Gas

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    Yeah I’ll check Iam sure I’ve got one or two left in stock it’s definitely
    The best for this saw runs nice an sweet will check in the morning
    And let you know
     
  9. ajschainsaws

    ajschainsaws Axes never run out of Gas

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    Simon Big J had a 420 this week and I converted that one too 3/8 lo- pro
    For him
     
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  10. Dub11

    Dub11 Some body poisoned the watering hole!

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    @Homelite410 was making some for awhile which was just machining Stihl picco rims to fit.
     
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  11. Simondo

    Simondo Pinnacle OPE Member

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    I agree with you Wilhelm, going to rim and sprocket is a good thing. The ease of supply is just the pain for the 3/8 Lp rim making it NA until we can sort out a proper supply in the UK.
    I have returned my own saw back to .325 from 3/8 lp and am using the Rim and Sprocket from the Ps-5105 . In reality I find .325 narrow kerf performs really well on the upgrade so no regrets not using 3/8 lp. Shame about Sugi Hara bar and chains being redundant ...for the time being.
     
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  12. Simondo

    Simondo Pinnacle OPE Member

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    Rim or Spur Andrew ??
     
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  13. Adamski

    Adamski Plebus Splederns

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    Cheers for pointing us in the right direction Simon.
     
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  14. Adamski

    Adamski Plebus Splederns

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    Thanks Andrew. Pm me when you know please. I am loving the weight of this one!
     
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  15. Adamski

    Adamski Plebus Splederns

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    Am I right in thinking that this p/n is the correct one for the ps430 with 3/8”??

    027223101
     
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  16. Simondo

    Simondo Pinnacle OPE Member

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    As long as its still under this PN.....

    Screen Shot 2019-01-11 at 20.09.07.png
     
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  17. ajschainsaws

    ajschainsaws Axes never run out of Gas

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    Spur Simon
     
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  18. Simondo

    Simondo Pinnacle OPE Member

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    I was hoping there for a moment :D
     
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  19. ajschainsaws

    ajschainsaws Axes never run out of Gas

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    Been trying the rim sprocket route but no progress , GB realise 3/8 lo pro is different from 3/8 In standard drive by making a purpose built 3/8 lo pro sprocket for bigger saws

    But aren’t interested in a small drive purpose built 3/8 lo pro rim
     
    Last edited: Jan 11, 2019
  20. ajschainsaws

    ajschainsaws Axes never run out of Gas

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    Yes that’s the one and still available around £14-£15
     
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