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Post by kenmb on Jun 3, 2024 6:26:45 GMT -6
OpD, I would say the same as the others as to what auger and is it worn down perhaps. The triple flight auger has a lot of flights over its length. When you think about it, the flights against the tube wall plus the grain being conveyed by the auger forms a fairly decent seal. It would be hard to imagine enough air flow to carry seed along this path. Plus, in theory, the air pressure in the duct would be equal to air pressure in the tank so should be zero air movement this way. A guy can have air flow out the tank lid causing lower applied rate, but hard to get a heavier rate due to something tank pressure related.
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Post by OptimallyDismal on Jun 3, 2024 7:00:12 GMT -6
I have the triple flight auger, it is the old style body with it in a straight tube, same as the 138 cart was.
I thought maybe since it is not very full, and the small round easy moving canola seeds would be affected by a venturi action more? The calibration is lower than the actual seeding rate.
I am wondering about putting a reducer plate over the auger in the tank, but curious to know if anyone has had this as well.
When I bought both machines they said it didn't matter what sprockets were used for canola it would go 5 lbs/acre, and they seem to be right. The biggest sprocket they came with was 72 teeth, I had a few sizes that I figured would work better that weren't in the selection so I got some weld on ones and made the centers. The biggest that would fit in the space was 92 teeth, I also have an 82 tooth one. They did get the rate close to 4 lbs on the 138, but not so much on the 3195.
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Post by kevlar on Jun 3, 2024 7:50:14 GMT -6
We used to have a 2155 tank and I don’t remember having issues with canola, but we tried getting it on at 5 pounds back then so never tried to get it to 4 pounds. I do remember it changing when we changed sprockets though. If you think it’s blowing past the auger, just leave it sitting in one spot with the fan running and see if it comes out the boots. Would you have a seal gone on the auger allowing a little air to pass through. I would think the only way it could do that is if there is air leaking somewhere between the bottom of the tank and the airstream allowing it to carry some seed with it. Are all the gaskets good around the auger? The one where the auger joins the airstream?
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Post by OptimallyDismal on Jun 3, 2024 8:02:07 GMT -6
There aren't any leaks there I can find, the air piping has been replaced on the end of the augers by the look of it maybe, it was very well done but it looks different from the rest of the 5" on the cart.
When we are checking the runs there is a bit coming through, never thought about it before, will pay more attention next time, but I guess it wouldn't take much to change the rate with that small of a quantity.
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Post by meskie on Jun 3, 2024 8:38:25 GMT -6
What size of sprocket is on the main metering drive. The implement sizing sprocket? It’s not as easy to change but for canola you could always put a smaller one on to drive everything slower.
I know some tanks will siphon canola out of the tank even when the auger is not turning. I wonder if that is happening to you also when your using it.
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Post by meskie on Jun 3, 2024 8:40:53 GMT -6
We had trouble with one variety of canola one year with our 3225 tank. Couldn’t get it to seed less the 5.5lbs. We even had the granular tank on it that can run way slower tgen the main tanks.
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Post by kevlar on Jun 3, 2024 9:50:29 GMT -6
Found ours still on the tube it goes on. I’m not so lucky. Who knows where it is now, or if it’s been missing for ages even. Seems to be working right so I’m not going to lose any sleep. |
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Post by OptimallyDismal on Jun 3, 2024 9:57:15 GMT -6
What size of sprocket is on the main metering drive. The implement sizing sprocket? It’s not as easy to change but for canola you could always put a smaller one on to drive everything slower. I know some tanks will siphon canola out of the tank even when the auger is not turning. I wonder if that is happening to you also when your using it. I am running on intermediate 37 tooth sprocket I am thinking of going to a lower range. |
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cropgrower
Full Member
location western manitoba
Posts: 119
Likes: 139
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Post by cropgrower on Jun 3, 2024 21:16:19 GMT -6
We had trouble with one variety of canola one year with our 3225 tank. Couldn’t get it to seed less the 5.5lbs. We even had the granular tank on it that can run way slower tgen the main tanks. i still have a 3225 tank , i done a modification that gives me a whole lot of extra options for seeding conola , no problem doing 4 lbs an acre now , can get a picture tomorrow if your interested |
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Post by OptimallyDismal on Jun 3, 2024 22:31:39 GMT -6
We had trouble with one variety of canola one year with our 3225 tank. Couldn’t get it to seed less the 5.5lbs. We even had the granular tank on it that can run way slower tgen the main tanks. i still have a 3225 tank , i done a modification that gives me a whole lot of extra options for seeding conola , no problem doing 4 lbs an acre now , can get a picture tomorrow if your interested Very interested. |
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Post by kevlar on Jun 3, 2024 22:37:34 GMT -6
Yes let’s see it! I always like seeing modifications to anything.
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cropgrower
Full Member
location western manitoba
Posts: 119
Likes: 139
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Post by cropgrower on Jun 4, 2024 7:14:21 GMT -6
 . i fitted a second range shaft , just long bolts and spacers , thats where i change sprockets to adjust rate fully independent of fertilizer , 46 tooth sprocket on there now gives around 4.2 lbs per acre , cant remember if sprockets coming off them shafts are origional as i have also changed them around in the past |
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cropgrower
Full Member
location western manitoba
Posts: 119
Likes: 139
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Post by cropgrower on Jun 4, 2024 7:16:27 GMT -6
 close up pic |
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Post by OptimallyDismal on Jun 4, 2024 7:54:48 GMT -6
That's a good idea, and I like that by default everything lines up as well!
Is the hand crank original?
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cropgrower
Full Member
location western manitoba
Posts: 119
Likes: 139
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Post by cropgrower on Jun 4, 2024 8:06:59 GMT -6
That's a good idea, and I like that by default everything lines up as well! Is the hand crank original? Thanks , yes the hand is original , but when calbirating conola i prefer to drive exactly an acre with box on and then weigh , i take chain for fertilizer off when doing that |
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