gleaner corn head ?

Anonymous-0

Well-known Member
Had a question on the AC site but cant vet back on to follow up.
Have 78 F-2gas with standard header driveand 4-38 bllack corn head. I need to go in low gear at half or less on varible drive or the head just will not take in the corn.There is a 13T on combine and a double sprocket on head 35-30T. Books sfatss to use 30T. Have manual and parts books for machine and head.Dont see anywherd there is a different ddive sprocket for combine.Just seems as it should be faster in corn.Have no problem in beans. The corn head doeesnt appear to be dunning very fast at all. Any help would be apreciated. Tia Bill
 
wouldn't hurt to try the 35T if it is the drive. speed it up a little. How are the snapping rollers, Is it having trouble popping the ears of the stalk?
 
It probably needs speeding up. I had a black corn head on an M. I know the F drives different but cant offer any solutions
 
Have you reviewed all the sprockets on the jackshaft drive on the corn head with the book?

There were lots of possibilities. Seems like they even called for different sprockets from a narrow to a wide head, which I never understood.

My F2 had variable header speed drive, and I never used it. As slow as the header would run was fast enough. I ran about 2.25 MPH. As yields were rising, I kept slowing, and finally got a bigger machine.

I wish I could remember the size of the driven sprocket on my corn head, but I'm thinking it was 15T. That certainly would run it a lot faster than a 30 or 35T.
 
Go to Agco parts books, shows some different sprockets. http://agcopartsbooks.com/PartsBooksN/Viewer/book.aspx?book=agco/79006104 You may have to copy and paste the link.
 
You are mixing an orange combine with a black head, that will take a different set of sprockets on the jack shaft of the combine that chains up to the header. An older manual won't list the more modern options.

I've done combinations that don't seem right but spin things the proper speed, as I combined f, F2, F3, with orange and black heads in different combinations.

Paul
 
speed could be part of the problem if the stalks are feeding all the way to the back of snapping rolls,we bought a A4-38 that looked to have almost no signs of wear it wouldn't feed as good as the worn head it replaced,after rebuilding the pieces on the rolls that sits between the spiral points and the bearings,adjusting the snapping plates,adjusting and timing the gathering chains it feeds fine
 
I wondered about the black head as when i bought the machine it only had a grain head. I bought fhe cornhead laterthis is a 78 model combine. The hdad is a green stripe 4-38.
 

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