Need advice on drive chain idlers. Chain keeps running off and I've shimmed it and it runs off the other side. Sprockets do not appear worn and neither is the chain. I have turned the sprockets around. The bracket that holds them in place, can that be the problem? The other side performs great. Also, does any one have a pair of H1268B steel planter plates? Thank you.
- Thread starter Olyj1947
- Start date
Brendon-KS
Well-known Member
- Location
- Goessel, KS
The Lincoln Ag plate that corresponds to the Deere H1268B would be a B9.
As far as the chain jumping off, I would disassemble and clean the spring-loaded idler assembly and make sure everything was moving freely. Also inspect the entire chain for tight links - having a couple of stiff links try to go around those small idlers will cause problems. With the chain off push in and out on the press wheel shaft and on the hopper drive shaft to see if something is loose and allowing them to slide in and out - there should be only minimal axial movement with each. Assuming these shafts are not working around there isn't much else that would cause the sprockets to not be lined up unless the frame itself is sprung. You could check this with a straight edge from one sprocket to the other.
As far as the chain jumping off, I would disassemble and clean the spring-loaded idler assembly and make sure everything was moving freely. Also inspect the entire chain for tight links - having a couple of stiff links try to go around those small idlers will cause problems. With the chain off push in and out on the press wheel shaft and on the hopper drive shaft to see if something is loose and allowing them to slide in and out - there should be only minimal axial movement with each. Assuming these shafts are not working around there isn't much else that would cause the sprockets to not be lined up unless the frame itself is sprung. You could check this with a straight edge from one sprocket to the other.
Brendon-KS
Well-known Member
- Location
- Goessel, KS
Did this business get sold recently? Last I knew they were in Lincoln, NE and I also see that the website looks very different now.
Thanks for all the ideas and help! Yetter now manufactures and retails these units. You can go online at yetterco.com and print off an operator and parts manual. I removed the idler assembly and found the one thrust washer was cracked and would flex enough to allow the chain to run off. By the appearance of the groves on the side of the sprockets, it's been cracked for some time! Kind of an exacting measurement for something held in place with a cotter pin! I've cleaned the chains in diesel fuel and soaking them in chain oil tonight, ordered new thrust washers and inside bushings and a pair idler sprockets, just to see what new ones look like, and 2 disk opener assemblies. It seems to me I'm spending a lot of time, energy and money just to plant a couple thousand feet of sweet corn but, hopefully, the kitchen manager/supervisor will be impressed come July!
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