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CONCERN
Irregular feeding into the
straw elevator.
The material is backfed to
the feed auger by the straw
elevator chain.
CONCERN
Grain
not
properly
threshed from heads.
NOTE:
Feeding and operation of the combine can be difficult in the first half hour of operation in short crops as new painted parts may
cause a lot of friction.
SECTION 6
TROUBLESHOOTING
FEEDING AREA
POSSIBLE CAUSE
Straw elevator chain set too high
at the entrance.
Straw elevator chain badly ad-
justed.
Stone trap clogged.
Drum rasp bars worn.
THRESHING AREA
POSSIBLE CAUSE
Crop not ripe enough.
Drum speed too slow.
Clearance between drum and
concave too wide.
Concave not parallel to drum.
Not enough material entering
combine for proper threshing ac-
tion.
Unthreshed
heads
through concave grate.
CORRECTION
Lower straw elevator chain.
Adjust chain tension.
Clean stone trap.
Replace rasp bars.
CORRECTION
Wait until crop is in a fit condition
to harvest.
Increase drum speed.
Reduce concave clearance.
Adjust concave so that it is parallel
to the drum.
Lower header and/or increase
ground speed.
passing
Close concave de-awning plates
to blank off front portion of the
concave.
PAGE
4-18
5-22
4-24
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PAGE
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4-27
4-28
4-28
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4-32
6-1
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