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Old 07-15-2012, 11:14 PM   #1
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Removing clutch from my Craftsman Trimmer


My 25cc 2 cycle power head for a convertible string trimmer has a bd clutch and I do not know how to remove it.
I have a new clutch but cannot remove the old one to replace.
Does anyone know how to remove the clutch?
Thanks

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Old 07-16-2012, 07:56 AM   #2
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Removing clutch from my Craftsman Trimmer


We need more information than this - specifically, brand and model number for starters.

Thanks.

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Old 07-16-2012, 09:28 AM   #3
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Removing clutch from my Craftsman Trimmer


Thanks for replying.
The brand is Sears Craftsman, model is the Model316711170.
It has speed start but I do not use.
I runs fine but the the head does not spin.
I removed the clutch cover and the clutch components fell out.
There is 2 1/4 circle plates and 2 springs holding them in the clutch housing.
I have another clutch (from another trimmer head) but I cannot remove the defective clutch.
The parts diagram does not show an screw or bolt that hold the clutch in place.
There is some give un and down but I don't want to break anything by forcing it.
I can email a picture of the assembly and the new clutch components if you want.
Thanks in advance for your help.

Alfred Gregory
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Old 07-16-2012, 03:28 PM   #4
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Removing clutch from my Craftsman Trimmer


I'm going to take a semi-educated guess here, and say that the centrifugal drive part of the clutch is screwed on to the engine crank shaft. As you face it, it probably needs to be turned counter-clockwise to loosen and remove it. I do not know how you will keep the shaft from turning, while loosening the centrifugal clutch.

Good luck.
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Old 07-16-2012, 08:59 PM   #5
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Removing clutch from my Craftsman Trimmer


I removed the clutch using a torx driver. A torx screw held the clutch main piece in place.
Doc Hicks said it might just twist off, and that got me checking for the screw. Since the torx screw was deep inside the clutch center, the screw was not readily visible.
I bought a set of the torx drivers and it ended up being a #8 torx driver that removed the screw. This allowed me to replace the clutch and now the trimmer works great.
Thanks for the help Doc.
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Old 07-16-2012, 09:01 PM   #6
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Removing clutch from my Craftsman Trimmer


Quote:
Originally Posted by timmygregory View Post
I removed the clutch using a torx driver. A torx screw held the clutch main piece in place.
Doc Hicks said it might just twist off, and that got me checking for the screw. Since the torx screw was deep inside the clutch center, the screw was not readily visible.
I bought a set of the torx drivers and it ended up being a #8 torx driver that removed the screw. This allowed me to replace the clutch and now the trimmer works great.
Thanks for the help Doc.
OooLaaLaa - I got lucky!

Are you back in business with the trimmer?

Last edited by DrHicks; 07-16-2012 at 09:04 PM.
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Old 07-16-2012, 09:27 PM   #7
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Removing clutch from my Craftsman Trimmer


Yes, the trimmer works perfect.
The springs in the old clutch were bad and stretched.
Thanks again!
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Old 07-16-2012, 09:33 PM   #8
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Removing clutch from my Craftsman Trimmer


Quote:
Originally Posted by timmygregory View Post
Yes, the trimmer works perfect.
The springs in the old clutch were bad and stretched.
Thanks again!
Awesome - good job!

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