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Komatsu pull cord kicking back.

Discussion in 'Chainsaw' started by Stevie, May 15, 2018.

  1. HarleyT

    HarleyT Tree Freak

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    I apologize in advance.
    We will now endure a lot more posts full of bad advice.....
     
    jr27236 and TheBrushSlasher like this.
  2. Stevie

    Stevie ArboristSite Member

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    flywheel not for moving, could just be a knocking from the crank shaft bearing then.
     
  3. Stevie

    Stevie ArboristSite Member

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    I have a torque wrench, just need to find the numbers on this particular saw.
     
  4. HarleyT

    HarleyT Tree Freak

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    If the slop is from the crank/bearing, and not the flywheel, then this book/chapter needs to just close.
     
  5. HarleyT

    HarleyT Tree Freak

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    Just put it to rest...
     
  6. Stevie

    Stevie ArboristSite Member

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    and by that you mean.?
     
  7. HarleyT

    HarleyT Tree Freak

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    If you have rotational "slop".

    Your saw is "done".....
     
  8. Stevie

    Stevie ArboristSite Member

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    I'll cut wood until it explodes first, That's how i roll.:rock:
     
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  9. HarleyT

    HarleyT Tree Freak

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    Wear some eye protection..

    Don't order any parts.....
     
  10. HarleyT

    HarleyT Tree Freak

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    You either have a loose flywheel , or shot bearings, giving you that "slop"....
     
  11. Stevie

    Stevie ArboristSite Member

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    As i said, It's minimal. I have a rope jammed in the plug hole so everything is not exactly buttoned down tight.
     
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  12. Stevie

    Stevie ArboristSite Member

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    btw, It didn't take much to remove the flywheel, I retighten the nut to about husky values..18-22 ft lbs
     
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  13. Stevie

    Stevie ArboristSite Member

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    Just checked again, when i turn the flywheel left to right it's not even half a mill of play. I dont see a major issue with it. Not enough to knock the timing out of whack anyway. Could just be that the woodruff key is 'very' slightly worn and that's the cause of the knock. The shaft it'self is solid with no movement or knocking in all directions NSEW.

    I'll get a magnifier onto it tomorrow in daylight and see exactly what's going on with the key. Next stop is a new plug, though i suppose i should have done that before removing the flywheel nut.

    I did replace the worn pull cord without the spring flying into an alternative universe, so there's a bonus.

    We live and we learn.
     
    jr27236 likes this.
  14. HarleyT

    HarleyT Tree Freak

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    There should be "no" play...

    You have likely discovered the cause of the original problem, you just need to pin it down......
     
  15. HarleyT

    HarleyT Tree Freak

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    Just saying.......

    Don't order any parts.....
     
  16. Stevie

    Stevie ArboristSite Member

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    Slowly slowly, Catchy Monkey.
     
  17. HarleyT

    HarleyT Tree Freak

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    Catchy Monkey?

    I love it!!!
     
  18. Stevie

    Stevie ArboristSite Member

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    I dont think you can. would probably need to go down the road of Chinese aftermarket and even that would be almost imposible. Would be easier trying to find a donor machine. Rare as hens teeth. Komatsu Zenoah G560 avs. Try finding something on them. It appears to be a model that has been forgotton about.
     
  19. HarleyT

    HarleyT Tree Freak

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    Yeah, I know. Look at Shindaiwa chainsaw parts.
     
  20. Stevie

    Stevie ArboristSite Member

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    wasn't sure if i was looking at Husky, Redmax or zenoah, all have a links to komatsu or Zenoah at one point. Was kinda hoping i would find information online that one of those companies bought the old Komatsu Zenoah stock and carried it forward, just under another model number but my search has drawn a blank so far.
     

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