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Re: 7720 combine not making much wind


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Posted by Moline_guy on October 14, 2013 at 13:15:27 from (216.106.218.250):

In Reply to: Re: 7720 combine not making much wind posted by Mike Aylward on October 14, 2013 at 07:22:24:

I should have worded that differently, we don't have a chopper on it and the husks are coming off the top of the walkers, but aren't blowing off the walkers like the other combine. The husks are not on the sieves, but we are getting some pieces of cob stalks stuck in the front 1/3 of the top sieve, which the other combine has never had a problem with. Curtains both look fine, but didn't realize there are different settings for them. Looking from the side doors in, concave looks fine. I will have to check the pulleys again for grooves, but like I mentioned, belt is way up on driver pulley and low on driven pulley. Fan seems secure to shaft and no broken sheet metal and side shields are in place. This combine has an air chaffer top sieve and standing behind the machine with it running empty just doesn't have much wind coming off of it like the other combine with a standard sieve. The 7700 also has sheet metal plates attached to the wire fingers behind the augers and above the sieve, the 7720 does not have these plates.


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