axial_al Posted December 6, 2009 Share Posted December 6, 2009 Anyone else having problems getting new CASEIH gathering chains to fit? It is like they are about an inch too short and even removing the idler sprocket doesn't help. I have read on this site that some folks prefer to install the JD chain. What are the advantages of the JD chain? Thanks in advance for any information. My apologies if this topic has already been hashed over...I have been away for awhile. Done with harvest. Hooray!!!!!!! Link to comment Share on other sites More sharing options...
Doc Egor Posted December 7, 2009 Share Posted December 7, 2009 Anyone else having problems getting new CASEIH gathering chains to fit? It is like they are about an inch too short and even removing the idler sprocket doesn't help. I have read on this site that some folks prefer to install the JD chain. What are the advantages of the JD chain? Thanks in advance for any information. My apologies if this topic has already been hashed over...I have been away for awhile. Done with harvest. Hooray!!!!!!! Haven't ran into the too short problem, JD and IH chains are identical on that vintage cornhead. I've gotten chains from both JD and IH and both were made by "drives". I would venture a guess you either got the wrong chain (are the newer series head's chains different?) or are you absolutely sure you have the idler adjustment retracted completely (sprocket will bump up against the aluminum support)? Went JD idler sprockets years ago, way better seal arrangement and 10X the service life. Link to comment Share on other sites More sharing options...
Aaron Posted December 7, 2009 Share Posted December 7, 2009 Guess I've always figured you just about have to pull the top sprocket to get a chain on/off. Always anti seize mine so it's not a big deal. JD chain is the exact same like Doc says. Also am using the JD idler. It's all steel and no plastic seal or whatever in the center. They are also the same size etc... Shoup sells them both and always ask for the one for the 43/44 series head. Link to comment Share on other sites More sharing options...
DEEREHUNTER Posted December 7, 2009 Share Posted December 7, 2009 I've put several on my 943 this year with no issues of being too short. I'm pretty sure that 900 and 1000 series heads use the same parts. Ckeck to make sure the "ear" that the idler sprocket bolts too is not bent down. This can let the head of the idler sprocket bolt hit on the bottom and won't let the tensioner retract completely, which would make it seem as though the tensioner was all the way back yet the chain would be too short to go on. I've had that happen. Joe Link to comment Share on other sites More sharing options...
ole 815 Posted December 7, 2009 Share Posted December 7, 2009 Helped friend put new chains on his 1084. Had to pull top sprocket and put chain on sprocket and then slip sprocket back on shaft. Like Aaron says, anti- seize is your friend! Gear puller works good for the stubborn sprockets. Don't get to crazy with hammer when removing and/or installing sprocket. A little assist may be needed though. Link to comment Share on other sites More sharing options...
Cliff Neubauer Posted December 7, 2009 Share Posted December 7, 2009 We were running the Deere idler sprockets and thought they were an improvement but had one go out earlier this fall so we got a full set of new ones from our Case IH dealer. We replaced the bad one and made it less than 300' before another went out and two hours later a third went out. We then replaced all twelve and out of the bunch there were only two that didn't growl when they turned and several more were about ready to go completely out. I thought the Deere sprockets had two full seasons on them which would have been 3,500 acres but my brother thinks it was only one full season and part of this year which would have only been 2,000 acres. Link to comment Share on other sites More sharing options...
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