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