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JD #5 Drag Bar

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Clarkbug

08-23-2007 16:34:37




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Hello All.

So I finally got my oil leak fixed in the mower (see my other posts on that topic) and Im quite happy with that.

So I took the mower out to give it a test run, and I apparently took on too much with it, and hit some rather heavy cattails that were growing. But then it broke away from the tractor, and I had to back up.

When I did, I think the cutter bar rolled over on itself somewhat, and it bent the drag bar. So now the cutter is turned upward, and the knives are definitely out of register.

Any tips for getting the bar off and straightening it out? Seems every time I fix one thing, I get something elsethird party image

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johns48jdb

08-25-2007 13:52:18




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 Re: JD #5 Drag Bar in reply to Clarkbug, 08-23-2007 16:34:37  
sounds like you had the cutter bar tilted up to much to start with and it dug in to the ground when you back up.



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Clarkbug

08-24-2007 18:12:17




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 Re: JD #5 Drag Bar in reply to Clarkbug, 08-23-2007 16:34:37  
I pulled the pull bar off the mower, and took it to a local shop and had them straighten it out for me on a press. It was bent enough that it was holding the front of the shoe off the ground, which is why the tilt was so out of whack.
Now that its straight, of course it wont bolt back up because of all the adjustments that were made to it over the years. So, I need to move some washers back out on the drag bar, tighten the pull bar, etc. I ran out of daylight before I could finish, so hopefully tomorrow morning I can get it all back together.
Then I just need to get my adjustments right so that I can use the darn thing again.

And I dont mind fixing stuff as long as its not too complicated.. Im constantly amazed at the simplicity of these older machines (tractors and implements) but also the way the designs were so well thought out.

Nothing about the #5 is overly complex aside from the gearbox, but there are so many adjustments and ways to take up the wear that its a pretty slick machine.

Thanks for all the help thus far, Im sure Ill post back.

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Dave H (MI)

08-24-2007 13:46:09




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 Re: JD #5 Drag Bar in reply to Clarkbug, 08-23-2007 16:34:37  
"Seems every time I fix one thing, I get something else"

As the owner of three JD #5 mowers, I can only tell you that you had better get used to it. If you use them routinely they will break down often.



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Clarkbug

08-24-2007 10:16:44




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 Re: JD #5 Drag Bar in reply to Clarkbug, 08-23-2007 16:34:37  
The pull bar is in fact the one that I am referring to.
Ill have to pull it, straighten it, put it back in, and see what else might be bent. Good thing I also have a parts mower in case something is really screwy....

I do have a manual for it, so I can re-set the register of the cutter bar after Im all done with my fixing/tinkering.

Ill check and see what else it could be a little later this afternoon.

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Clarkbug

08-24-2007 05:48:46




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 Re: JD #5 Drag Bar in reply to Clarkbug, 08-23-2007 16:34:37  
Sorry for my lack of clarity there.... After re-reading what I wrote, I can see what doesnt make sense.

The bar that is bent is the one in the "front" of the mower that runs from one side down to the other, and attaches to the same casting that holds the cutter bar. Its probably about an inch in diameter, the side that attaches next to the cutter bar has a large castle type nut (only three little prongs on it, I believe) and the other attaches into a threaded connector. The idea would be that you can adjust the bar in or out to put your knives back in register if required.
My bar apparently got bent yesterday by me taking on too much stuff, and then when I backed up it snagged on something...

So now my cutter bar is pointed too far upwards, and its WAY out of register...

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55 50

08-24-2007 09:46:05




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 Re: JD #5 Drag Bar in reply to Clarkbug, 08-24-2007 05:48:46  
The "front" bar is called the pull bar according to the Parts Catalog. The really heavy bar in the "back" is the drag bar. Even if that front bar is badly bent, that shouldn"t cause the guards to be pointed up. There must be another problem. Check the tilting lever and it"s associated parts. Maybe a part or parts there got bent or moved. Do you have the Operator"s Manual? It"s full of good info on the adjustments to keep the bar and sickle in good cutting order.

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gary tomaszewski

08-24-2007 08:58:18




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 Re: JD #5 Drag Bar in reply to Clarkbug, 08-24-2007 05:48:46  
That bar real "SHOULD" NOT ' have bent either from backing or breaking away, since it is hooked to the part that breaks away.
I hope you have a manual it gives all the info on lead and registering the knife,which is done with yoke washers. Sounds like more problems, I have cut sapling trees and brush with this old mower and only broke sickle sections.



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Goose

08-23-2007 18:58:30




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 Re: JD #5 Drag Bar in reply to Clarkbug, 08-23-2007 16:34:37  
Guess I don't understand exactly what bent. Was it the sickle bar?

If it weren't for the bread-away feature, my #5 would have been in the scrap yard years ago. I've hit everything from trees, tree stumps, fence posts, steel posts, etc, and every time the break-away does what it's supposed to, I just back up till it re-latches and take off in a different direction. I've knocked a few sickle sections off once in a while, but nothing else has ever bent from the break-away doing what it's supposed to.

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