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

How much damage?

Discussion in 'Chainsaws and Power Equipment' started by Chvymn99, Mar 22, 2014.

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  1. Chvymn99

    Chvymn99 Moderator

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    I didn't find any bearings, but the plastic casing was there. But it fell on the ground, when I tried to burn my fingers taking the bar cover off... I'll try to look for it in the morning.
     
    Chvymn99, Mar 22, 2014
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  2. mdavlee

    mdavlee

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    If the band stuck and it got hot I could see that happening but usually there would be lots of drag on the saw.
     
    mdavlee, Mar 22, 2014
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  3. Chvymn99

    Chvymn99 Moderator

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    Alright got it cleaned up. Here's the clutch assembly.
     

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    Chvymn99, Mar 23, 2014
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  4. Chvymn99

    Chvymn99 Moderator

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    Damage that I can see:

    Plastic on the front side of brake band area

    Piece of cast aluminum on the front side ( don't know what it is)

    Than I found a little chunk of casting in behind the bottom band (at the 6 o'clock position)
     

    Attached Files:

    Chvymn99, Mar 23, 2014
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  5. Mastermind

    Mastermind

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    I would advice you to allow us to split the cases and check all the bearings. If it had enough time on it to lose a clutch, it could use a good inspection.

    For an extra 50.00, plus parts, we completely disassemble the saw, clean all the parts in an ultrasonic tank. Then we replace any questionable parts, and reassemble.

    In most cases, it just takes a gasket and seal kit......but then you know that you aren't porting a saw that has a cracked bearing cage.
     
    Mastermind, Mar 23, 2014
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  6. Chvymn99

    Chvymn99 Moderator

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    No problem, sounds good to me. I'll know its in good hands and a trained eye. I appreciate it and I'll get it boxed up for you. :thumbs:
     
    Chvymn99, Mar 23, 2014
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  7. Pyroholic

    Pyroholic

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    $50 it's darn cheap insurance for a good saw that you are already putting port money into. No brainer...

    Not too mention how clean all the nooks and crannies will be.
     
    Pyroholic, Mar 23, 2014
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  8. DexterDay

    DexterDay Administrator

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    x2. . That's cheap insurance. Good deal from a good guy!

    When Randy finally opens up shop and takes more saws, I have one that I want him to open, clean, and put new bearings and seals in.

    I am building a saw for my best friend and I don't want to put $500 into it, only to be cheap and let it blow a seal, bearing, etc.
     
    DexterDay, Mar 23, 2014
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  9. clemsonfor

    clemsonfor

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    Time to put the 660 to work!
     
    clemsonfor, Mar 23, 2014
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  10. mdavlee

    mdavlee

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    It looks like the band started sticking on also. The drum has marks on the outside.
     
    mdavlee, Mar 23, 2014
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  11. clemsonfor

    clemsonfor

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    I see marks on the outside as well bit I also she marks on the inside of the brake band and almost worn through it looks like?
     
    clemsonfor, Mar 23, 2014
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  12. DexterDay

    DexterDay Administrator

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    Looks like a clutch spring broke or came loose? Then the end of that loose shoe spun for a bit, then when it let go, it chit chit the bed all over.
     
    DexterDay, Mar 23, 2014
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  13. DexterDay

    DexterDay Administrator

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    I once had a spring break. It started smoking and so I shut it down. . . And here is what my brake band cover looked like..

    1395617798776.jpg
     
    DexterDay, Mar 23, 2014
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  14. MasterMech

    MasterMech The Mechanical Moderator

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    I kinda turned this one over in my head for a bit today.... If it was a spring failure, it most likely would not have come apart so suddenly. Even a clip letting go probably would not have been that catastrophic. I'm thinking it might have indeed been the shoe itself that failed.
     
    MasterMech, Mar 23, 2014
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  15. Chvymn99

    Chvymn99 Moderator

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    Yea, that looked like it got warm too... Plastic looks a little crispy....:emb:
     
    Chvymn99, Mar 23, 2014
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  16. MasterMech

    MasterMech The Mechanical Moderator

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    At least it's replaceable on these saws. You should see what an overheated clutch does to a saw like the MS250 or the 290. :(:bug:
     
    MasterMech, Mar 23, 2014
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  17. Chvymn99

    Chvymn99 Moderator

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    I take it that's that section is a professional model specific? Cause I'll have to have that piece replaced on mine, too.... Cause the band & plastic are bonded together...
     
    Chvymn99, Mar 23, 2014
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  18. mdavlee

    mdavlee

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    That can almost ruin the whole saw on them.
     
    mdavlee, Mar 23, 2014
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  19. MasterMech

    MasterMech The Mechanical Moderator

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    The plastic surrounding the clutch drum on those machines is part of the entire saw chassis. In order to make it "like new" again, you have to remove everything from the old and transfer to the new. Often you can get away with carving the melted portions away with a knife or file, but that still pretty much ruins the resale value of the saw.

    With your saw, that's about a $12-13 fix. (I did good on eBay looking forstuff like that. ;) )
     
    Last edited: Mar 24, 2014
    MasterMech, Mar 24, 2014
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  20. HoneyFuzz

    HoneyFuzz

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    That stinks :( But sounds like you'll be up and running in no time !
     
    HoneyFuzz, Mar 24, 2014
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