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Author Topic: Blade guide bearings  (Read 1468 times)

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Offline Bruno of NH

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Blade guide bearings
« on: March 25, 2020, 05:37:53 PM »
How long should they last.
Mine went out today on the adjustable guide arm side with 234 hours.
I ordered some more today. 
My friend that mills 3 towns over is giving me some till mine come in.
I will replace his , when mine get here. 
I wish Woodmizer would have told me when I got the mill to have extra on hand. 
Lt 40 wide with 38hp gas and command controls Riehl Steel edger,F350 4x4 dump and lot of contracting tools

Online Magicman

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Re: Blade guide bearings
« Reply #1 on: March 25, 2020, 07:03:18 PM »
It seems that you can get good ones and bad ones so I can't say how long they will last.  I have had a few that only went a few hundred hours like yours, but then again, I have had some to last thousands of hours.  I just replaced my blade guides last month and they had gone 4 years.
 
Tail gate repairs
Knothole Sawmill, LLC     '98 Wood-Mizer LT40SuperHydraulic   WM Million BF Club Member   WM Pro Sawyer Network

Never allow your "need" to make money to exceed your "desire" to provide quality service.....The Magicman

Offline donbj

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Re: Blade guide bearings
« Reply #2 on: March 25, 2020, 10:42:44 PM »
How long should they last.
Mine went out today on the adjustable guide arm side with 234 hours.
I ordered some more today.
My friend that mills 3 towns over is giving me some till mine come in.
I will replace his , when mine get here.
I wish Woodmizer would have told me when I got the mill to have extra on hand.
Were they the greaseable type?
Woodmizer LT40HDG24. John Deere 5300 4WD with Loader/Forks. Husky 262xp. Jonsered 2065

Offline Bruno of NH

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Re: Blade guide bearings
« Reply #3 on: March 26, 2020, 01:23:52 AM »
Not greaseable 
Lt 40 wide with 38hp gas and command controls Riehl Steel edger,F350 4x4 dump and lot of contracting tools

Offline Bruno of NH

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Re: Blade guide bearings
« Reply #4 on: March 26, 2020, 01:24:42 AM »
Can you get greaseable ones ?
Lt 40 wide with 38hp gas and command controls Riehl Steel edger,F350 4x4 dump and lot of contracting tools

Offline donbj

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Re: Blade guide bearings
« Reply #5 on: March 26, 2020, 01:50:12 AM »
I replaced mine at 1000 hrs and they were still good actually. They were greaseable. Your shaft they mount on has to have the grease zerk on the end to grease them though. The replacement bearings WM sent were the non greaseable sealed bearings. The only difference between the two is the greaseable ones have one side with no seal on it and there is a small notch on the end of the inner race to let grease pass through to the bearing when it's greased. All I did was take my dremel with a cutting wheel and make a notch like the original, remove the seal and install. Open sides of the bearings face each other in the roller guide.

If your shafts don't have provision to grease the guides you can carefully remove one seal and make sure the new bearings have sufficient grease. It's surprising how little are in them sometimes. I would take a seal out, fill it with grease and put the seal back in and install. It should make quite a difference in longevity. The seals are easy to remove and reinstall if they are the rubber/plastic ones, just be careful.
Woodmizer LT40HDG24. John Deere 5300 4WD with Loader/Forks. Husky 262xp. Jonsered 2065

Offline Silverfoxfintry

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Re: Blade guide bearings
« Reply #6 on: March 26, 2020, 04:01:38 AM »
Bearings are a consumable item and all require replacement at some time.
Beware of over greasing bearings. It makes them run hot until the excess has worked out of the bearing.
I suspect that you are paying a premium ordering bearings from the mill manufacturer.
Measure the bearings in your guides and go to your local bearing shop.
Or look online. 
DONT purchase generic, unbranded bearings. SKF, RHP, KOYO, ETC.
Are all good and if you get bearings with rubber seals will last a long time as long as you dont pressure wash them.
I keep a complete set of bearings for my sons mill and if one fails its a quick job to change one out. Minimum down time! No rushing about trying to find replacements.


Offline Bruno of NH

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Re: Blade guide bearings
« Reply #7 on: March 26, 2020, 06:12:51 AM »
I had my other mill 5 or 6 years and never had a issue with them.
I know bearings need to be replaced but I thought they would last at least 500 hrs.
I have a complete new guide coming and 10 bearings from Amazon. Name brand.
Lt 40 wide with 38hp gas and command controls Riehl Steel edger,F350 4x4 dump and lot of contracting tools

Offline YellowHammer

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Re: Blade guide bearings
« Reply #8 on: March 26, 2020, 07:15:40 AM »
They are not greasable, but if you give them a shot or ATF on either side with a hand sprayer before sawing, it seems to help them last longer.  I dont know if they are truly sealed well, and that lets the water lube system slowly gets past the seals.

I have the same experience as MM, some last a long time, some not so much.    
HobbyHardwoodAlabama.com

Offline Bruno of NH

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Re: Blade guide bearings
« Reply #9 on: March 26, 2020, 07:55:35 AM »
Mr.Yellowhamer 
I will start doing that
I have used lots of washer fluid this year as I have sawn 6 days a week all winter.
Lt 40 wide with 38hp gas and command controls Riehl Steel edger,F350 4x4 dump and lot of contracting tools

Online Magicman

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Re: Blade guide bearings
« Reply #10 on: March 26, 2020, 07:59:39 AM »
Don't fret over it Jim.  Yours was just a fluke/defective bearing and not the normal.  Also, forget the idea of greasing.  Yes it can be done and some do, but you have better things to do.
Knothole Sawmill, LLC     '98 Wood-Mizer LT40SuperHydraulic   WM Million BF Club Member   WM Pro Sawyer Network

Never allow your "need" to make money to exceed your "desire" to provide quality service.....The Magicman

Offline WDH

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Re: Blade guide bearings
« Reply #11 on: March 26, 2020, 08:07:16 AM »
Woodmizer LT40HDD35, John Deere 2155, Kubota M5640SU, Nyle L53 Dehumidification Kiln, and a passion for all things with leafs, twigs, and bark.  hamsleyhardwood.com

Offline Brad_bb

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Re: Blade guide bearings
« Reply #12 on: March 26, 2020, 08:22:59 AM »
My first set lasted about 250 hours.  I say about because my mill didn't come with an hour meter and I didn't put one on until after I put the new guides on. When I ordered the replacements, the woodmizer salesman I talked to on the phone sounded like 200-250 hours was about normal.  Not sure if they really know. The first one failed(on the adjustable guide arm), so I just replaced that one. The other one failed not long thereafter- maybe 20 hours.  They failed by just no longer rotating.  Now I keep a new set on hand.
Anything someone can design, I can sure figure out how to fix!
If I say it\\\\\\\'s going to take so long, multiply that by at least 3!

Offline Bruno of NH

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Re: Blade guide bearings
« Reply #13 on: March 26, 2020, 11:33:20 AM »
I'm back up and running thanks to Rick at Wrightway Sawmill for giving me some bearings.
I will change them out at 200 hrs from now on.
Please suggest any other parts I should keep on hand.
I have the loader valves and spare wheel belts.
I will have bearings when they come in.
Lt 40 wide with 38hp gas and command controls Riehl Steel edger,F350 4x4 dump and lot of contracting tools

Online Magicman

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Re: Blade guide bearings
« Reply #14 on: March 26, 2020, 01:30:27 PM »
Personally, I never replace the bearings unless they go bad.  Most times they well go thousands of hours.
Knothole Sawmill, LLC     '98 Wood-Mizer LT40SuperHydraulic   WM Million BF Club Member   WM Pro Sawyer Network

Never allow your "need" to make money to exceed your "desire" to provide quality service.....The Magicman

Offline GAB

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Re: Blade guide bearings
« Reply #15 on: March 26, 2020, 02:10:49 PM »
I'm back up and running thanks to Rick at Wrightway Sawmill for giving me some bearings.
I will change them out at 200 hrs from now on.
Please suggest any other parts I should keep on hand.
I have the loader valves and spare wheel belts.
I will have bearings when they come in.
To your comment: "Please suggest any other parts I should keep on hand." I offer the following:
A complete set of spare belts: up/down motor belt, Feed motor belt, and drive belt.
Enough fuses to be able to replace those that give up the ghost.
Hydraulic fluid and both log loader velocity fuses.
A seal kit for the blade tensioner.
I'd have to check my sawmill toolbox to see what all else I have in there.

As an aside I destroyed a velocity fuse trying to scoot a log over with a peavey while on the loading arms.  I then added a piece of 1" pipe (home made bushing)(I can't recall the exact length) on both sides of the log loader cylinder when the log loader is down.
I removed the small bolt slid out the 1" diameter pin then put pin back in with new bushings on both sides of the cylinder mount then put the small bolt back in.  Have not broken another velocity fuse yet.
Gerald
W-M LT40HDD34 w/6' ext & SLR, JD 420, JD 950w/loader and Woods backhoe, V3507 Fransguard winch, Cordwood Saw, 18' flat bed trailer, and other toys.

Offline Bruno of NH

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Re: Blade guide bearings
« Reply #16 on: March 26, 2020, 03:10:29 PM »
Gerald 
Do you have pictures ?
Lt 40 wide with 38hp gas and command controls Riehl Steel edger,F350 4x4 dump and lot of contracting tools

Offline GAB

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Re: Blade guide bearings
« Reply #17 on: March 26, 2020, 03:21:49 PM »
Gerald
Do you have pictures ?
Jim:
Yes I do somewheres.
I have never posted a picture on this site so it would be a major learning curve for me.
Me and putters do not get along very well.  They do not work as my dad blame mechanical mind thinks they should.
The pictures of RAY with his box of grits which my wife took were posted by Mr. Davis.
Gerald
W-M LT40HDD34 w/6' ext & SLR, JD 420, JD 950w/loader and Woods backhoe, V3507 Fransguard winch, Cordwood Saw, 18' flat bed trailer, and other toys.

Offline WDH

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Re: Blade guide bearings
« Reply #18 on: March 26, 2020, 04:49:23 PM »
If the pics are downloaded to your computer, it is easy.  I can walk you through it. 
Woodmizer LT40HDD35, John Deere 2155, Kubota M5640SU, Nyle L53 Dehumidification Kiln, and a passion for all things with leafs, twigs, and bark.  hamsleyhardwood.com

Offline ladylake

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Re: Blade guide bearings
« Reply #19 on: March 26, 2020, 05:03:58 PM »
Personally, I never replace the bearings unless they go bad.  Most times they well go thousands of hours.
 Same here, give them a spin, if noisy replace them. No sense in wasting money replacing good bearings.   Steve
Timberking B20 15000 hours +  Case75xt grapple + forks+8" snow bucket + dirt bucket   770 Oliver   Lots(too many) of chainsaws, Like the Echo saws and the Stihl and Husky     W5  Case loader   1  trailers  Wright sharpener     Suffolk  setter Volvo MCT125c skid loader


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