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High performance mower blade's


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6 replies to this topic

#1 FirefyterEmt OFFLINE  

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Posted August 18, 2011 - 10:03 PM

Well... now that I got your attention, I though y'all might like this.

First off, lat winter most of you remember that I restored my mower deck. I have to report that I will NOT buy the cast aluminum pulley's again. They have been nothing but trouble! They keep loosening up or letting the keyway slide out. (This in turn rubs the deck cover and burns the paint!) Last week, one of the blade pulley's broke the hub right out of the pulley. I picked up a new $16.00 steel / steel hub one at TSC today and it already feels a ton better. The die cast ones were a bit loose fitting to the shaft to start with. The new one was a firm fit, and they key had to be tapped into place. Plus, it has two set screws over the one the other pulley had.

Now, onto the high performance repair! Well, maybe not really high performance... but they are red! What I am getting at, is the rubber donuts for the blades. I noticed one of mine was fairly loose (maybe 1/2" to 3/4" play at the tip of the blade and another had a bit of wiggle to it. I am sure these can not be bought anymore, nor did I want to buy them if they were. In my shop I have a box of Energy Suspension Poly-bushings. I have no idea what they go to, but I make things from them all the time on my lathe!.

The old bushing was about 2" wide with a 1" bore and was .40" thick. I had to turn a 2.25" x .75" bore bushing down to work. I made mine .45" to offset for the old dried out rubber ones, and that seemed to be the perfect fit. People replace front suspension bushing with these for better performance and handling, so I now have high performance mower blades. :bounce:


You know you really came for the photos though!

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I did not get very fussy with the curve of the bushing, this stuff does not turn all that easy, so I just used a hand rasp to shape them. It's not like they will ever be seen! It also looks much bigger, but it just an illusion.
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You can see they bushing is just a hair proud of the shaft. The bushing will squash against the blade and the washer will lock against the shaft easily.
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Pretty sweet, Eh?
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Edited by FirefyterEmt, August 18, 2011 - 10:14 PM.

  • mjodrey, MH81 and KennyP have said thanks

#2 MH81 ONLINE  

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Posted August 18, 2011 - 10:10 PM

Excellent use of existing stuff. And they're RED!

Looks like you're back in the mowing business.

#3 KennyP ONLINE  

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Posted August 19, 2011 - 04:28 AM

That's using the old noggin'. Lets us know how it works after you have mowed a few times. Red in this situation is a plus!

#4 mjodrey OFFLINE  

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Posted August 19, 2011 - 04:38 AM

What a great idea that was,should work quite well.

#5 FirefyterEmt OFFLINE  

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Posted August 19, 2011 - 07:05 AM

Thanks guys... I can't see why they would not work, the blades are nice and firm and not floppy when spinning. I just need to drop my spare deck off the tractor and take my belt back. Then I can put the entire thing back together and mow the lawn!

#6 IamSherwood OFFLINE  

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Posted August 19, 2011 - 05:04 PM

Looks good.
You could put some on ebay.

#7 DH1 ONLINE  

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Posted August 19, 2011 - 05:25 PM

Good stuff




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