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jstamets 
Bronze Level
Joined: 01 Aug 2017
Location: Monroeville, IN
Points: 8
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 Topic: Belly Mounted Sickle Bar Mower
Posted: 13 May 2021 at 8:56am |
Hello all!
I have a belly mounted sickle bar mower for my Allis C. I took the old knives off and replaced with new knives. Somewhere in the process the bar on which the knives are attached was bent and now will not fit as it's supposed to.
I'm going to try straightening it, but if I'm not able to do that, can that bar be replaced with any brand/model? Is the width and hole spacing fairly standard for sickle bars across brands?
I appreciate any info you all might have.
Thanks, Josh
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steve(ill)
Orange Level Access
Joined: 11 Sep 2009
Location: illinois
Points: 86251
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Posted: 13 May 2021 at 9:46am |
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there are 2-3 different standards on the bolt spacing... You will need to find one that is correct.
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Like them all, but love the "B"s.
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john(MI)
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Joined: 12 Sep 2009
Location: SE MI
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Posted: 13 May 2021 at 10:44am |
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I did that. Slide the bar in as far as you can, then bend it to straighten it a little and push it in some more. Keep doing this and it will eventually go all of the way back in and work just fine.
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D14, D17, 5020, 612H, CASE 446
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Walter(MO)
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Joined: 26 Dec 2009
Location: Warrenton, MO
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Posted: 13 May 2021 at 11:11am |
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My dad tried to bend one straight but the bar broke at the bend. You would have nothing to lose if you broke the bar.
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Dusty MI
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Joined: 13 Sep 2009
Location: Charlotte, Mi
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Posted: 13 May 2021 at 11:28am |
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Anyone remember when all those knives were held on with rivets?
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917 H, '48 G, '65 D-10 series III "Allis Express"
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steve(ill)
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Location: illinois
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Posted: 13 May 2021 at 12:40pm |
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If the bar was OK to start with and after you installed the new knives ( maybe with rivets?) you BOWED the bar, then yes you can BOW it back the other way.. If it has a KINK in the middle, thats a different story.
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Like them all, but love the "B"s.
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jstamets
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Joined: 01 Aug 2017
Location: Monroeville, IN
Points: 8
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Posted: 13 May 2021 at 1:07pm |
Steve,
Yes, I believe that's what happened. I'd love to say it was like that when I got it....
It's not kinked and it should be able to bend back. I'm going to give it some more effort this evening.
I appreciate everybody's input.
Thanks, Josh
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steve(ill)
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Location: illinois
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Posted: 13 May 2021 at 3:08pm |
You need to "BEND" it in 20 different spots, just a little in each spot... Slide it into the frame and John said and push down a few inches to "BEND" it, then go in 6 inches and do it again.... Or you can set it on a couple bricks at each end and stand in the middle with your feet a couple feet apart... Dont KINK the bar, just small bends.
It is not uncommon to BOW a bar when you are beating the rivets down on new cutters.
Edited by steve(ill) - 13 May 2021 at 3:08pm
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Like them all, but love the "B"s.
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Gary Burnett
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Joined: 11 Sep 2009
Location: Virginia
Points: 3029
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Posted: 13 May 2021 at 4:49pm |
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Wish you were closer I have a couple dozen of the 7ft AC sickle assemblies around here I'd give you a couple, just cut it to suit your needs.
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JoeO(CMO)
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Joined: 11 Sep 2009
Location: Cent Missouri
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Posted: 13 May 2021 at 8:21pm |
Dusty-Yes, replaced many sections.
I seem to recall most AC's were 3 inch
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