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Deep South | My 1200 planter won't drop corn seed evenly spaced. I'm looking to put a seed every 5 or 5.5 inches apart. It will drop 4 then 6 then 5 then 7 etc. I've looked at every thing on it but can't seem to figure it out. Am I trying to get it to do something it can't? I'm using 48 hole plates, 18-20 vacuum the dial under the hopper on 3 and planting at 4.5 mph. I planted with it last year like this and made a really good corn crop. Maybe I should leave it alone? Thanks for any ideas |
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North of Iowa | What are you using for a tractor to pull it? |
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Central IL | What kind of shape are your normal wear parts in? (Openers, firming points, seed boots, seed tubes, seed discs, so on?) |
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North Liberty and South Bend, Indiana | Maybe I have lower standards but that sounds pretty decent to me. It is possible that you are getting spacing differences caused in the seed tube or dragging seed if firmers are used. |
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Southern IL. | If it is a pivot planter make sure you are keeping section drive chains tight so it doesn't try to jump sprocket. They do not have spring loaded idlers. The row units have tension idlers, but sections don't. |
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Bourbon, Indiana | I'm curious to the above question also as I struggle with the same thing. Farmswithcase you mentioned differences in the seed tube. could you elaborate as to what might cause spacing issues in the seed tube?
tia |
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WC Indiana | I switched from 48 to 36 hole plates last year and had better spacing. I just went to a planter clinic last week and they said 36 hole works very well as long as you don't go over 6 mph..
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west central Iowa | Take all chains off and check for bearings getting tight. If you have Hyd. Drive check and make sure shafts turn smoothly and don't chatter. |
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NE Mo | Spacing ? How is the seed depth ? How does the row look when the corn first emerges ? Looking at seedlings 1" - 1.5" tall, just barely out of the ground. Are all the seedlings lined up ? We see the same thing with earlier CIH planters. SEED BOUNCE ! ! I don't mind the seed bouncing side to side, but when it bounces in the furrow, giving uneven seed depth, that is a concern to me. I have talked many times to CIH people at equip shows, but they will not admit the seed is bouncing in the furrow. We have heard all the reasons they can think of, but cannot make the planter stop it. One idea was that the long delivery pipe must be smooth. Then they CIH made a delivery tube that was orange-peeled/dimpled inside. HHhhmmm Wonder about that |
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| Jumping section chains will be visible on the monitor. |
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| To much oil flow will surge the seed drives. Once the system is warmed up while planting, decrease the oil flow until the monitor hollers max flow, then increase flow just enough to keep the monitor quiet. |
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thumb of mi | A couple years ago I measured a few planters for spacing. Two of them were 1200 style one new and one a couple years old. Both were 2.5" or more standard deviation. Also the case meter on the test stand seems to space like what was measured |
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| I think i would take it to a precison dealer and have them run a couple seed meters and see what they think. I have never heard of this problem! |
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MN | Could the hydraulic drives be getting worn / sticky causing jumping issues ? |
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Bourbon, Indiana | . |
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Somewhere between here and there | 4.5 mph is about as slow as you want to go with hyd drive 1200. Check all of your chains, sprockets and speed up to 5-6 mph or put on a 36 hole disk. Tractor hydraulics OK? |
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North Liberty and South Bend, Indiana | I only say that as I have seen an advertisement video for "PP" that showed seeds bouncing around after hitting the sensor eye or a "hump" that was manufactured into a seed tube. I was only throwing out ideas, but they do seem plausible. |
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Deep South | The idea of going with the 36 hole plate makes sense. This is a ground driven planter and every thing seems to be in very good shape. Does Case IH have a machine like Deere that they can put the units on to test? I think I'll call tomorrow. Thanks for the help. |
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Central IL | Your book should have a chart that says how to figure seed disc rpm and you can plant too slow, as mentioned above. |
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N. IL | Just installed Rebounders on our planter for the spring. Seems like depth is a bit inconsistent, hopefully will improve. Singulation is always good, but don't want to add any more downpressure if not needed. |
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WC Indiana | Terre haute |
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Deep South | I looked in the book and the speed with the 48 hole plates is in the good zone. Maybe It's doing all it can, I 'm just trying to fine tune it because we will start planting corn in a week or so. Thanks again |
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| Again a good precision dealer can put them on stand and figure your sweet spot. Speed, singulator, and vacuum setting! I did this and settings were different from book o |
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1200 planter spacing off
