OPERATION
2-2
2
51512
1. FEEDING -- Figure 2
The reel 1 (on the grain or flex header) or the gather-
ing chain (on the maize header) feeds the crop/cobs
into the header 2 towards the auger 3. The auger 3
feeds the crop into the front of the straw elevator 4.
Models with lateral flotation only:
The straw elevator head pivots on the elevator frame
which enables the header to follow deviations in slope
of up to 3° on either side, relative to the base unit posi-
tion.
The crop is then carried up the straw elevator where it
is fed over the stone trap 5 into the drum and concave
area. At this point the feeding is complete and the
threshing starts.
The stone trap 5 is designed to trap stones and other
foreign objects which may cause damage to internal
parts of the combine.
2. THRESHING -- Figure 2
As the drum 6 rotates, it rubs the crop against the bars
of concave 7. This rubbing action threshes approxi-
mately 90% of the grain from the straw.
S Clean grain falls onto the grain pan 8.
S Straw (and a little grain) are guided to the beater 9.
S De-awning plates can be swung up underneath
the concave to increase the rubbing action when
threshing winter barley or difficult-to-thresh crops.
S Rasp bars [accessory] can be installed on the
front part of the concave to improve the threshing
efficiency (especially important in wheat) and to
avoid white caps.
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