Case IH AXIAL-FLOW 2588 User Manual

6 - FIELD OPERATION
154
TROUBLESHOOTING THRESHING AND SEPARATING SYSTEM
To correct the specific harvesting problems listed below, follow and complete only the adjustments described. The
number indicates the sequence in which each adjustment should be made.
IMPORTANT: The single most common misadjustment is setting rotor speed too slow. High moisture crops will
require higher rotor speeds.
A. Damaged Grain or Corn in Sample
1. Decrease Rotor Speed
2. Open Shoe Sieve
3. Inspect Concaves for Plugging
(unplug and set concave closer
4. Open Concave
5. Remove Fillers from Right of First Concave
(if installed)
6. Remove Some Wires from Concaves
B. Kernels Left on Cob
1. Increase Rotor Speed
2. Close Concave
C. Excess Cob Breakage
1. Decrease Rotor Speed
2. Open Concave
3. Remove Channels from Inside of Rear Grates.
D. Unthreshed Heads or Pods -
White Caps in Sample
1. Increase Rotor Speed
2. Close Concave
3. Close Shoe Sieve
4. Add Remaining Fillers to First Concave
5. Add Filler to Right of First Concave
E. Loss of Kernels Out of Rotor
1. Inspect Concaves for Plugging (unplug and set
concave closer)
2. Decrease Rotor Speed
3. Position Grate Vanes to Rear or Slow Position
4. Remove Fillers from Right of First Concave (if
installed)
5. Remove Some Wires from the Concave
6. Move Concave Vanes to Rear Position
F. Grain Loss Over Chaffer
1. Increase Air Blast
2. Open Chaffer Sieve
3. Decrease Rotor Speed
4. Cover Slots in Rear Portion of Cage
5. Decrease Forward Travel Speed
G. Grain Blowing Over Chaffer
1. Reduce Air Blast
2. Open Chaffer Sieve
3. Inspect Concaves for Plugging
(unplug and set concave closer)
H. Shoe Sieve Overloading
1. Close Chaffer Sieve
2. Open Shoe Sieve
3. Increase Air Blast
4. Decrease Rotor Speed
5. Decrease Forward Travel speed
I. Heavy Stems in Sample
1. Close Shoe Sieve
2. Close Chaffer Sieve
3. Increase Air Blast
4. Decrease Rotor speed
5. Open Concave
J. Fines in Sample
1. Increase Air Blast
2. Close Shoe Sieve
3. Close Chaffer Sieve
4. Decrease Rotor Speed
5. Open Concave
K. Small Bits of Cob in Sample
1. Close Chaffer Sieve
2. Decrease Rotor Speed
3. Close Shoe Sieve
4. Increase Air Blast
5. Open Concave
L. Excessive Power Consumption
1. Increase Rotor Speed
2. Open Concave
3. Decrease Forward Travel speed
4. Remove Channels from Inside of Rear Grates

Case IH AXIAL-FLOW 2588 Specifications

General

Brand	Case IH
Model	AXIAL-FLOW 2588
Category	Farm Equipment
Language	English