Trouble removing blades from shafts... - Mountain Buzz
 

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Old 06-25-2019   #1
 
, Washington
Join Date: Dec 2018
Posts: 5
Trouble removing blades from shafts...

My dad is trying to remove a sawyer dynalite blade from his cataract shaft. He has had no problem working the screw, but cannot get the blade and shaft to separate once the screw is disengaged. Any recommendations? Anyone had this problem? Unfortunately I’m a couple states away and he’s not tech savvy enough to post, so here I am asking his question for him. Thanks in advance.

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Old 06-25-2019   #2
 
Salt Lake City, Utah
Paddling Since: 1969
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Try a heat gun (or hair dryer), need to work the area for a good five minutes or more and then two pairs of hands twisting shaft and blade in opposite directions while pulling apart.
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Old 06-25-2019   #3
 
, Washington
Join Date: Dec 2018
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Great advice! Thanks!
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Old 07-03-2019   #4
 
Seattle, Washington
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If you have a vise with pipe jaws, use it to hold the shaft. Then you can really torque on the blade with both hands. After it's off, clean both mating surfaces and apply silicone spray for next time. I'm assuming that he does know that with Sawyer shafts you have to turn the plastic screw INWARDS to clear the hole in the blade. It took me awhile to figure that out the first time.
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Old 07-04-2019   #5
 
Carnation, Washington
Paddling Since: 1990
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Not helpful for removing blades but

Sarah told me once to use household clear silicone caulking smeared all over the blade shaft in the screw hole they slide out like a dream no matter how how long you leave that together the silicone will not adhere to the shaft or blade surface it actually is kind of like a lubricant
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Old 07-05-2019   #6
 
Denver, Colorado
Paddling Since: 1996
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Put the blade under the trailer/truck tire and give it hell. Lubricant in some fashion can help, this is a common bullshit issue. Iíve ground the stubs of my dynalites down so they fit on my shafts. The only definitive solution is to sell said oars and buy squaretops. I donít know who has shitty manufacturing tolerances, sawyer or cataract but my money is on sawyer.
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Old 07-10-2019   #7
 
La Plata, New Mexico
Paddling Since: 1990
Join Date: Jul 2017
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I recently did this same thing. I put the shaft in a vice with padding to keep from chewing up the shaft. Then I put a little WD40 into the hole where the set screw is and tried to spray between the shaft and blade. Then I did not pull I twisted the blade until I got the lube around the blade and it slid right off without a problem.
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Old 07-10-2019   #8
 
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Salt Lake City, Utah
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Quote:
Originally Posted by theusualsuspect View Post
Put the blade under the trailer/truck tire and give it hell. Lubricant in some fashion can help, this is a common bullshit issue. Iíve ground the stubs of my dynalites down so they fit on my shafts. The only definitive solution is to sell said oars and buy squaretops. I donít know who has shitty manufacturing tolerances, sawyer or cataract but my money is on sawyer.
I would agree considering that Advanced Composites, the parent company of Cataract mainly works in the Aerospace Industry, I'm guessing they have tighter tolerances as well as better QC checks on product.
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Old 07-22-2019   #9
 
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Ellensburg, Washington
Paddling Since: 1982
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Posts: 122
What was the eventual resolution? When you got the blades off, was there an obvious material/substance residue? The Dynelite blades have an aluminum sleeve and the shafts you are using are not the same materials used in Sawyer composites, which can result in the issue experienced.

As a note, all Sawyer products are fit for their intended purpose prior to leaving the factory, so fit with a different brand of shaft may be an issue. Simple solution, pair a Sawyer shaft with a Sawyer blade in matching ID.
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