In loving memory of Kenis D. Keathley 6/4/81 - 3/27/22 Loving father, husband, brother, friend and firewood hoarder Rest in peace, Dexterday

ATTENTION: If you own a Husqvarna 562XP Auto-Tune

Discussion in 'Chainsaws and Power Equipment' started by KilliansRedLeo, Aug 1, 2014.

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  1. Mastermind

    Mastermind

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    I've not even looked at them yet. :(
     
    Mastermind, Aug 1, 2014
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  2. MasterMech

    MasterMech The Mechanical Moderator

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    Having recently seen inside that engine, I did not notice any problems whatsoever.

    The outboard clutch design is why the cranks are failing on the 560/562. The clutch is not protected by the crankcase like it would be on an inboard design and the tail of the crank narrows substantially where the clutch threads on. Plus the clutch itself is farther out on the crank than an inboard. More leverage, thinner crank, little physical protection, all adds up to likely damage if the saw encounters extreme operating conditions. Like attack trees and stuff.

    Doesn't change the fact that the saw is a fearsome runner. :saw:
     
    MasterMech, Aug 1, 2014
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  3. DexterDay

    DexterDay Administrator

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    Best post ever :dex: lol
     
    DexterDay, Aug 1, 2014
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  4. MasterMech

    MasterMech The Mechanical Moderator

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    Are you home yet? :whistle: :hair: :saw:
     
    MasterMech, Aug 1, 2014
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  5. KilliansRedLeo

    KilliansRedLeo

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    MM perhaps you are right on the crank failures however the 570/575 had IB clutches and they had a problem with broken clutch side cranks.
     
    KilliansRedLeo, Aug 1, 2014
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  6. MasterMech

    MasterMech The Mechanical Moderator

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    There are many ways to break a crank. I would have to see a actual 575/570 to determine any design weaknesses. Of course, it always could be a metallurgy issue as well. ;)

    In the case of these 560s/562s, there are several obvious design differences that contribute to the crank/clutch assembly being less durable than competing inboard designs.
     
    MasterMech, Aug 1, 2014
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  7. Mastermind

    Mastermind

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    If you look at the inboard/outboard clutch debate a little closer.........you will see the the rim rides closer to the bearing on an outboard design. I think that would actually make that design more durable. Maybe I'm looking at it wrong though. :smoke:
     
    Mastermind, Aug 1, 2014
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  8. MasterMech

    MasterMech The Mechanical Moderator

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    No, you have it right Randy. But in Ktoom/Chvymn99's case, the force was applied to the clutch itself. IIRC, the original clutch cover on that saw was destroyed in the "incident".

    Any crank failures that resulted from force applied to the rim/sprocket are most likely a metallurgy/casting issue and/or due to the thinner diameter of the crank where the clutch mounts.
     
    Last edited: Aug 1, 2014
    MasterMech, Aug 1, 2014
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  9. Mastermind

    Mastermind

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    Hey..........I wanna thank you again Brian for helping me out with my project.
     
    Mastermind, Aug 1, 2014
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  10. MasterMech

    MasterMech The Mechanical Moderator

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    Here's a pic of the broken crank end. The diameter of the shaft at the break is just about 9mm.

    image.jpg
     

    Attached Files:

    MasterMech, Aug 1, 2014
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  11. MasterMech

    MasterMech The Mechanical Moderator

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    Anytime Randy. Anything you need, just ask. ;)
     
    MasterMech, Aug 1, 2014
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  12. KilliansRedLeo

    KilliansRedLeo

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    Well we could discuss this forever, suffice it to say the problem with the 570/575s was a combination of too long a shaft on the clutch side of the crank. If you compare a 570/575 crank with a 576 you will see the difference immediately.

    On this subject my bet is with Randy on stress being applied closer to the supporting bearing. All the older saws outboard clutches were the norm, very few crank failures on a 272XP. That being said, casting issues can always rear their head as Brian suggested but they are exaserbated by flaws in the design.
     
    Last edited: Aug 1, 2014
    KilliansRedLeo, Aug 1, 2014
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  13. DexterDay

    DexterDay Administrator

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    Yep :)
     
    DexterDay, Aug 1, 2014
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  14. cwn877

    cwn877

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    What is the jred equivalent and do they have the same issues?
     
    cwn877, Aug 1, 2014
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  15. DexterDay

    DexterDay Administrator

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    2260 is the 560. They technically don't make a 562xp equivalent. The only difference between a 562 and 560 is the small bar mount (other minor differences that some may point out/top cover). And the 2260 is small mount, like the 560xp. Jonsered doesn't make a large mount model.

    Because they are made by the same Company? I would venture to say that the problems are not just limited to Husq. They share the same engine and design. Just different color and the half wrap is straight across on a Jonsered, and angled on a Husq.
     
    DexterDay, Aug 1, 2014
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  16. cwn877

    cwn877

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    Thanks dex actually thinking of getting a jred the husky saws I've ran lately are impressive but I need more red in the herd.
     
    cwn877, Aug 1, 2014
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  17. Cut4fun

    Cut4fun

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    Better check that thread out with the weird wear on the cranks on 261's and 362's. :D
     
    Cut4fun, Aug 1, 2014
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  18. scooby074

    scooby074

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    I got a 2012 09 week, 562 that is about 2 months out of warranty. Apparently, after talking to a new dealer, Im under Bulletin B1200075 (Carb,Coil and linkage). Selling Dealer is giving me a bit of grief that Im out of warranty. I had it to him last fall when I was well under warranty and he said my issues were due to bad gas, not carb and my saw didnt have the bad carb anyways! I ended up paying a diag fee at the time too!

    Now I read about the potential Piston issues. No bulletin for that?

    Hope the dealer gets back to me and does the right thing! pizzes me off that he either missed the bulletin the first time or outright lied that I wasnt under it if he knew.
     
    scooby074, Nov 27, 2014
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  19. bogydave

    bogydave

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    I'm guessing , but the 555 must be having the same issues . No ?
     
    bogydave, Nov 27, 2014
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  20. Sunfish

    Sunfish

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    My 562xp is a 2011 model. No issues at all. Been very impressive for a stock saw!
     
    Sunfish, Nov 27, 2014
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