Combines F2 what am I doing wrongIJ

Spike or rasp barIJ Had a corn special with rasp bar once and rolled out whole cob.If you have rasp keep opening cylinder until you get whole cob and no grain on cob. Make sure you have the wires in the walkers to keep cobs from getting stuck.I ran my canvas curtain through the chopper,never replaced it and never missed it.

Where are your straw walkers set atIJ On the F3 we had, the straw walkers could be adjusted fore and aft - try sliding them forward - maybe trash isn't making it onto the walkers and you have too much stuff falling onto the shoe. We used to do cob-mix high moisture corn. We'd set the cylinder low and fast to break cobs up - slide the walkers back, and let the cob fall onto the shoe. Used round tooth chaffer with every other row cut out to allow cob to fall through to clean grain. Something to check into... Tom langan

Do you have a sidehill blowerIJ Is it functionig properlyIJ Have a helper move the pendulum and check the air on each side. Make sure the tubes aren't full of shelled corn or have a mouse nest in them. MUST roll whole cobs. 5_8 seems pretty narrow to me. This year on the M2 I had to run 7_8 or wider as most ears were 16-20 rows. It may initially scare you, but open the chaffer fairly wide and then push into the corn at a pretty good clip. Keeping a load on the chaffer will let you keep it open further and still get an acceptable sample. At the time I didn't know this tip, but try making a "super chaffer" by adding a control rod for the front 5-6 rows of teeth. I think Tom has some pictures on the Hyper Mods link. It has helped on our M2.

Try pulling your Sieve out. Set chaffer to clean corn, maybe around 1_2". This does not take long to try. On the F that I had, it increased capicity around 25%. You will have more air flow to the chaffer to help you clean the grain. This also is a must do if you have to go in the snow no matter what machine you run. And in MN there is a lot of corn going to be done in the snow.

Sliding the walkers to the full forward position is were I wouild start too. Hillside raddle chain is a good investment too. You only need to buy one on an F. Get after that 4400, you can do everything he can and more! crowfarmer

(Do you have a long back F2 w_ hyd roll out auger, 4 Cyl diesel or 6CylIJ ASSume late F2)A 78 F2 has about 20% more capacity than a 77 prior. Three things concern me here. IF your fan is wide open you should be blowing out corn buy (sic) the bushels. Your tach doesn't read therefore do you know your engine RPMIJ Do you ever see shucks coming over the shoeIJ IF so I would suggest low engine RPM. A few years ago this was discussed in great length. For max capacity in corn set the cyl to produce nearly all whole cobs. Install a 25 or thirty tooth sprocket on the lh cyl gudgeon to speed up the thresher beater. Raise or remove the metal curtain over the raddle. We always set the side walkers forward and the middle walkers in the mid pos. Your long finger chaffer can go as wide as 3_4 front and back. You still should not be able to run the fan at max w_o blowing out corn. Check the RPM. Set the high idle to 2550. Rated load is 2300 on the 4 cyl. 2200 on the 6 cyl. On a 78 and up F2 GAS the high idle is set to 2700! The late 292's scream! The rpm can also be checked at the fan shaft. On all Gleaners except late R's the fan shaft HAS to run 1100 RPM at high idle, rated load is 1000 rpm. At below 1000 rpm the volume drops off exponetially, i.e. the capacity of a 4 cyl F2 running at 2200 is only about 50% of one at operating @ 2350 RPM. RPM=capacity