Combines AirJet Chaffer Soybeans

[shucks]

Big George,I am having the same trouble,I`ve only run the air jet for one day in soybeans and noticed the problem, then light rain forced me back to corn.While shelling corn I remembered that my chopper was in the slow rpm setting,stationery teeth removed and pan in lowest position.I`m now thinking that bean straw from the rotor was being dumped on the rear of the chaffer more or less causing a damming effect on the rear of the chaffer. When I go back to beans I will put chopper in fast position,raise pan,and reinstall teeth and blast straw clear of the chaffer.Maybe this will allow the air jet to stay clean. This theory works in my head,who knows if it will in practice! let us know what you find. Marvin Gordon, Any ideasIJ Thanks

 

[colwood56]

I to am having this problem, just put this in and haven't had time to contact Marvin. Maybe my answer will be come through this web sightIJ My settings are 1150 on air, bottom sieve at 11_16 open. 1660 combine. Haven't tried it in corn yet. Does it work ok in this cropIJ Thanks for any info,

 

[M__Gorden]

George, Did you remove the disrupters in your machine as I suggested when you last phoned meIJ Did you try the slotted separator gratesIJ As I explained to you the other day, it is expected that bean stems will stick in the bean elements. There are a lot of AirJet chaffers running successfully with this condition. There are more than 20 Airjet chaffers operating with very good results within 70 miles of your location. You said that your grain tank sample is cleaner than with the factory setup and you are not losing beans over the chaffer. You should set the lower sieve to 11_16ths inch as I suggested. There are many other issues to consider including spreaders, concaves, cover plates and non-factory attachments that can effect the operation of the AirJet chaffer.

 

[M__Gorden]

Kenny, It would be best if you make the changes you mentioned. However, that will not keep the elements clean of bean stems. It is normal for bean stems to collect in the screen holes. Some users empty the screens once a day and others less often or not until they finish harvesting. If you are using disrupters, you are sending a lot of chopped up stems to the cleaning system and that will increase the number of stems in the screens. Concave covers and slotted separator grates is the best setup combination for beans with the AirJet. Thats not to say you cannot get by with keystock grates.

 

[Big_George]

Marvin, I do have the cleanest beans in the bin, A custom clinets seen his beans and was very pleased with the clean beans, but the bottom sieve in the back 3 or 4 rolls are plugged,thinking about cutting them out. Thanks Big George

 

[M__Gorden]

If those few pods you have in your tank have beans in them, more threshing is needed. With the AirJet system the bean pods will go around the return system as many times as needed until they get threshed. Since the return system returns to the third concave, very few will get threshed the second time around. The volume of unthreshed pods will grow inside the machine and eventually overload the system. Few will make it to the grain tank. The solution of course is to thresh the crop the first time through. There are many things to discuss about threshing. You are welcome to phone me at 1-800-745-1680 for an in-depth discussion.