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  1. #1
    Epic Contributor Soundguy's Avatar
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    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default ? rmove clutch to replace sprocket on chainsaw

    at work I have a echo cs 370 chainsaw on my desk. apparently i am tasked with removing the cen- clutch to replace the quite wore sprocket that lives under it.

    so how do you get them darn things off?

    all the small engine shops are backlogged right now.. will be next tuesday before anyone will see it... if I can take it apart.. I might just be able to get the part locally nad have it running.. etc.

    thanks

  2. #2
    Elite Member
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    Jan 2010
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    2,707
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    Northern, IL
    Tractor
    Branson 2400H

    Default Re: ? rmove clutch to replace sprocket on chainsaw

    Does this clutch have any type of hex to put a socket on or does it require a spanner wrench or band wrench. If a socket style I have had good luck using an air impact wrench to remove them. Also I am 99% sure they have left hand threads. Just look at the saw and determine which way the chain torque is try to turn the clucth and turn it the opposite way to loosen.
    Artificial Intelligence will never overcome natural stupidity.

    Branson 2400H MMM & FEL

    JD 112

    BX1850 gone but not forgotten

  3. #3
    Epic Contributor Soundguy's Avatar
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    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: ? rmove clutch to replace sprocket on chainsaw

    no hex. when you remov ehte saw side plate you see the round clutch.. outter band, and inner 3 parts with springs holding. you CAN get a spanner band wrench on it.. ad I have tried taking it off but am fearfull that I will damage the flywheel doing so as that is the only way to hold it... so I stopped the BFH route and stepped back asking if there is a trick to it.

  4. #4
    New Member
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    Feb 2007
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    wentzville mo
    Tractor
    nh tc40da

    Default Re: ? rmove clutch to replace sprocket on chainsaw

    Google echo chainsaw clutch removal. Several solutions

  5. #5
    Epic Contributor Soundguy's Avatar
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    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: ? rmove clutch to replace sprocket on chainsaw

    that's funny.

    first 3 i pulled up.

    1 is not applicable as it says it has an 8mm head onit which it doesn't.

    other 2 simply said.

    'use a tool to remove the clutch'

    nice explanation they got there..

  6. #6
    Veteran Member
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    Southern VT, Southern ME
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    John Deere 4100 HST /410 FEL, R4s

    Default Re: ? rmove clutch to replace sprocket on chainsaw

    My 4600 takes a 2 pin type tool to remove the sprocket and looking online its opposite than my 280 where the clutch drum is on top.

    You can see the parts diagram online http://www.echo-usa.com/getattachmen..._09_040809.pdf

  7. #7
    Epic Contributor Soundguy's Avatar
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    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: ? rmove clutch to replace sprocket on chainsaw

    i ended up filling the jug with at and them buzzed it off with an air hammer

  8. #8
    Veteran Member
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    John Deere and Case

    Default Re: ? rmove clutch to replace sprocket on chainsaw

    Quote Originally Posted by Soundguy View Post
    i ended up filling the jug with at and them buzzed it off with an air hammer
    Next time try pulling the plug and feeding nylon rope into cylinder = no mess from at fluid, works for me .

  9. #9
    Elite Member Zebrafive's Avatar
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    South West MI
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    John Deere 2030, John Deere 6415

    Default Re: ? rmove clutch to replace sprocket on chainsaw

    Quote Originally Posted by Grumpy Old Man View Post
    Next time try pulling the plug and feeding nylon rope into cylinder = no mess from at fluid, works for me .
    Plus One, that how I prevented my Husky from turning when I had to install a new drive sprocket.
    John Deere 2030 JD 245SL Loader
    John Deere 6415 mfwd JD 640SL Loader

  10. #10
    Veteran Member
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    Default Re: ? rmove clutch to replace sprocket on chainsaw

    Quote Originally Posted by Zebrafive View Post
    Plus One, that how I prevented my Husky from turning when I had to install a new drive sprocket.
    Works for changing valve springs too! Holds the valve in the up position so they don't drop into the cylinder .

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