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MS461 hard to pull rope

Discussion in 'Chainsaw' started by mountainguyed67, Dec 26, 2018.

  1. mountainguyed67

    mountainguyed67 ArboristSite Operative

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    I went to use the saw the other day and could hardly move the rope, so hard that I started to pull the handle apart. The only thing done since last using it was to change to a wrap around handle. The wrap around has thicker handle for the screws to go through on the side, now I’m wondering if I used screws that are too long and ran into something. Dunno.
     
  2. Leerod83

    Leerod83 ArboristSite Operative

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    Back em out and see. Not trying to be a smartass. I don't think there's anything behind it that could cause your issue. If pull the plug and see if anything changes also. Flooding one really bad can cause it to pull over hard.
     
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  3. Chainsaw Jim

    Chainsaw Jim CJ Saws, LLC

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    Remove the recoil cover to see if the flywheel is as hard to turn. If so then pull the muffler and have a peek at the piston.
     
  4. mountainguyed67

    mountainguyed67 ArboristSite Operative

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    Did already, no change. That doesn’t necessarily mean that’s not the problem.
     
  5. mountainguyed67

    mountainguyed67 ArboristSite Operative

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    Will try all suggestions.
     
  6. BangBang77

    BangBang77 The chair is against the wall...

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    See post #3 from Chainsaw Jim.
     
  7. NeSurfcaster

    NeSurfcaster ArboristSite Operative

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    Prolly flooded really bad, fuel/oil in crankcase? I'd pull the plug and pull it over a few times to see if that helps. Good luck, I don't think you'll need it tho.
     
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  8. jr27236

    jr27236 Addicted to ArboristSite

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    I was gonna say the same, might be hydo locked with fuel
     
  9. mountainguyed67

    mountainguyed67 ArboristSite Operative

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    The plug is pretty black, no fuel in the cylinder. I had someone pull the rope while I looked in with a flashlight, nothing out of place. Removed the recoil cover, I can turn the flywheel with my fingers with some resistance, not sure how much there should be.
     
  10. mountainguyed67

    mountainguyed67 ArboristSite Operative

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    With the plug out I pulled the rope several times, it got easier and I could smell gas. I left the plug out so it can dry out, if I have time tomorrow I’ll put it back together and try it.
     
  11. mountainguyed67

    mountainguyed67 ArboristSite Operative

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    This thing very recently had a rotten tree go its way and damage it, felled another five trees afterwards though. Then changed the handle and went to use it again, and here we are. I had different length bars and chains with me, that’s how I was able to keep using it. After straightening the handle some.

    F1AF4EFB-7ADD-43DC-9C77-CC152C66C05D.jpeg

    I think it’s almost 4-1/2 feet.
    5BAC3650-F82A-4265-830E-8ECCBF61BF86.jpeg
     
  12. Leerod83

    Leerod83 ArboristSite Operative

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    So it was flooded?
     
  13. drf255

    drf255 BAD CAD

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    That saw needs to be torn down and checked. Can have cracked case, etc...

    Should have nearly zero resistance turning flywheel with the plug out on a broken in saw.

    Something is rubbing, or you fried it from an air leak.

    Tear it down.
     
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  14. Okie

    Okie Addicted to ArboristSite

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    Try slowly turning the flywheel backwards and see if the turning resistance stAys the same through a full revolution of the flywheel.

    If it stays the same felt resistance through 1 turn, take the saw apart for inspection.

    If it briefly frees up going backwards with the flywheel, get back to us.

    That saw took some serious damage during the tree squish.
     
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  15. mountainguyed67

    mountainguyed67 ArboristSite Operative

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    It was laying here and still running after the tree fell. So I thought it was only external damage, now we’re looking at delayed reaction?

    014B4401-4B6F-4B0D-9861-8EE31ED63475.jpeg
     
  16. mountainguyed67

    mountainguyed67 ArboristSite Operative

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    No.
     
  17. Okie

    Okie Addicted to ArboristSite

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    With the spark plug out, and of course the bar and chain off, there should be like zero resistance turning the flywheel both directions.

    Reason I told you to try turning it backwards and get back to us: IS I HAD A STIHL WITH SIMILAR SYMPTOMS AWHILE BACK! It required a take apart but was easily and cheaply repaired. It would have self destruct if I had kept using it with those symptoms.
     
  18. mountainguyed67

    mountainguyed67 ArboristSite Operative

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    Okay, bar and chain is Stihl on right now.
     
  19. Okie

    Okie Addicted to ArboristSite

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    Remove everything you can down to the powerhead, so as to see if it's internal resistance.

    Eventually the flywheel so as to make sure nothing is rubbing inside the flywheel. (like a chip of metal or ????
     
  20. Chainsaw Jim

    Chainsaw Jim CJ Saws, LLC

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    I'll venture to make a guess... maybe you smashed it with a fuggin tree?
    o_O
     
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