16
OPERATION
Crop
Rotor Concave Chaffer Setting (Inch)
Shoe
Setting
(Inch)
Fan
Speed
Grate
Type
Transport
Vane
Position
Speed
Gear
Range
Indicator Type
Front Middle Rear
Alfalfa
650 Middle 1 SW 1/4 3/8 3/8
Round
Hole
500 Slot Middle
Barley
700 High 2 SW 1/2 1/2 5/8 3/8 1000 Slot Middle
Lentil Beans
300 Low 2 LW/SL 1/2 1/2 5/8 1/8 550 Slot Fast
Pinto Beans
300 Low 3 LS/SL 1/2 1/2 1/2 3/8 850 Slot Fast
Sunflower
300 Low 5 LW 3/8 1/2 5/8 5/16 770 Bar Fast
Bentgrass
900 High 0 SW 1/4 3/8 3/8 1/16 450 Slot Middle
Bluegrass
400 Low 1-1/2 SW 3/8 1/2 1/2 1/16 500 Slot Middle
Brome
500 Middle 3 SW 5/8 3/4 3/4 5/16 650 Slot Fast
Rye
650 Middle 4-5 SW 3/8 1/2 1/2 1/4 450 Slot Fast
White
Clover
900 High 0 SW 3/8 1/2 1/2 1/16 500 Slot Middle
Corn
400-500 Middle 3-5 LW 1/2 1/2 5/8 3/8 1100 Bar Rear
Corn (w/straight
separator bars)
300-450
Low-
Middle
3-5 LW 1/2 1/2 5/8 9/16 1000 Bar Rear
Edible Beans
(Navy, Pinto)
300-400 Low 3-5 LW/SL 1/2 1/2 1/2 3/8 900 Bar Middle
Flax
850 High 1 SW 1/4 1/4 1/2 1/8 500 Slot Middle
Maize/Milo
450 Middle 3 LW 3/8 1/2 1/2 5/16 1100 Bar Middle
Mustard
300 Low 4 SW 1/2 1/2 1/2 1/16 800 Slot Fast
Oats
600 Middle 3 LW 1/2 1/2 5/8 3/8 780 Slot Middle
Peas - Black
300 Low 2 LW/SL 1/2 1/2 1/2 3/8 700 Bar Fast
Rape
400 Low 4 SW 1/4 3/8 1/2 1/16 600 Slot Fast
Rice
850 High 2 LW 3/8 3/8 1/2 5/16 880 Bar Middle
Wild Rice
600 Middle 1 LW 1/2 1/2 1/2 9/16 850 Bar Middle
Safflower
300 Low 4 LW 3/8 1/2 5/8 5/16 800 Bar Fast
Soybeans
350-650
Low
Middle
3-4 LW 1/2 5/8 5/8 3/8 1050 Bar Middle
Wheat
1050 High 2 SW 1/4 1/2 1/2 1/4 1050 Slot Middle
Grass
550 Middle 2-4 SW 1/4 3/8 3/8 1/4 450
Slot/
Solid
Middle
Table 16.1
Straight separator bars may be needed for harvesting corn yielding more than 150 bushels per acre (9400 kg/ha) and in other crops during dry conditions. Increase fan speed
to 1250 RPM in wet corn.
Once installed, straight separator bars need to be removed only for harvesting rice, edible beans, and similar viney crops.
Tough rice requires the use of spiked rasp bars over the concave area and the grate area. Set concave indicators at Number 4 when spiked rasp bars are used in the concave area.
LW - Large Wire (1/4" Diameter); SW - Small Wire (3/16" Diameter); SL - Smooth Slotted.
Use of non-spiked rasp bars in all positions is recommended for most grass seed harvest conditions. Spiked bars may be helpful in extremely damp crops. Rotate fan cutoff
rearward to the vertical position to reduce air volume.
Some soybeans may require rotor speeds up to 700 RPM or more.
The front several inches of the chaffer sieve are, by design, set slightly more closed than the rest of the front section.
Slotted concave use may be beneficial to reduce damage to threshed material.
A common mis-adjustment is setting rotor speed too low. High moisture crops will require higher rotor speeds. The AFX Rotor may require an additional 50 to 100 RPM Rotor
Speed and a slightly tighter concave in some.
Specialty Rotor, AFX Rotor - Initial Crop Settings 1688/2188, 2377/2388 and Upgrades of
Other Models
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