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When is a Share wore out?

2

2510Paul

Well-known Member
So I finally got my JD 4250 home with the 4200 Plow. I washed the plow and put JD Soft Black (it came out gray) Paint on the wear surfaces. I see I have some landsides and shines to replace, maybe some shares.

When I bought this plow one share was so worn the frog was starting to wear so I put one new share on. Now the others are starting to catch up. I don't see wear on the frogs yet but that seems close.

In the picture there is 1.25 inches between the end of the share and the frog. How do you guys judge when to change shares?

Paul
a174590.jpg

a174591.jpg
 
(quoted from post at 11:43:07 10/10/17) I have never seen a share wear like that.If it was mine it would get changed.
Click to expand...
ooks like some one took an angle grinder to the cutting edge in a failed attempt to sharpen it.
 
They look to have wear left on them to me. Like said above, I usually see wear on the nuts when I change them.
 
In dry soil the peak will wear down and no longer pentrate the ground. Time to replace the shears then.

Otherwise, when any of the bolts or the frame of the peak as you mention starts wearing, time to replace. Probably proper t replace earlier, but....
 
If it was sitting flat on concrete, and you looked behind each share, the remaining distance between concrete and retainers is pretty reliable. As that gap narrows, the plow will suck less, and pull harder. The effect may be cost effective to replace rather than pay for fuel and have mediocre depth control. Jim
 
No angle grinder. Yes I agree. It seems like a strange wear pattern. I assume it is a result of the metallurgy of the share. I am thinking the metallurgy is somehow not consistent to wear like that.

Paul
 
Another way to assess the plow (because it is a roll over) is to use a straight edge on the upside down moldboards across at least
two and observe the wear from the comfort of standing up. Jim
 
When the node becomes a sled runner. trying to plow with slrd runner shares is why so many complain about a moldboard plow doing compsction., A sharp share will not do that and goes in easy and will want to cut way deeper than one wore to a sled runner. Now on a lot of then you could take that angle grinder and reshape the nose to get away from the sled runner for a short time.
 
It looks like the wear you see on a rotary mower blade. I think someone made that from a worn out mower blade. That's worn horizontally not longitudinally.
 
Thanks everyone for your comments. I will be replacing the landsides on the first two bottoms, left and right. I will also replace all the shins as they all have worn to the point the frog is starting to wear near the bottom of the shin. I will also replace 5 of the 6 bottoms. As I said one of the shares was replaced when I purchased the plow a couple years ago.

I only run coulters on the rear bottoms. It just occurred to me I will have to look at the shins and see if I can see a difference.

Thanks for the comments. A lot of good points were make. Oh, no pun intended. Ha, Ha.

Paul
a174722.jpg
 
You can also weld an old point on the top of another worn out one with it set ahead of the one bolted on and down about an inch or so. That will give a lot of wear at the first of the spring. When it will not go in or starts to wear the bolts again it is time to change them either way. For the shin you can cut a piece off the front of an old moldboard to weld or bolt on the front side. If it is set to far out it will pull to hard and if not far enough it will not last very long. For landslides just weld old points on the wear side for build up then cut to length with the torch. I have done all of these things over the years plowing. Some of it depended on the time of year and moisture level of the soil.
 
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