SECTION 2
2-3
3. SEPARATION -- Figure 2
The beater 9, with beater concave 10, strips the straw
from the drum and guides it to the rotary separator 11
and concave 12, which further separates the grain
from the straw.
The straw retarding curtain 13 prevents the rotary
separator from throwing the straw too far onto the
straw walkers 14.
A Straw Flow beater 15 [if installed] improves the
straw transport towards the straw walkers and en-
ables a smoother flow of material in heavy crop condi-
tions.
The straw walkers 14 oscillate, lift and tumble the
straw, permitting the remaining grain to fall through
the walkers and slide down the walker return pans
onto the rear of the grain pan 8.
4. CLEANING -- Figures 3 and 4
Units with self-levelling cleaning shoe
The grain and chaf f on the grain pan 8 are transported
to the rear by the reciprocating action of the exclusive
self-levelling cleaning shoe. An electrical actuator en-
sures that the cleaning shoe automatically remains
horizontal in the transverse axis of the machine, even
when operating on side slopes up to 17%. This inno-
vation increases the capacity of the cleaning shoe
considerably when operating in hilly conditions.
Units with fixed cleaning shoe
As the cleaning shoe is not self-levelling, operation on
slight slopes is made possible by the installation of
hillside dividers on the grain pans and the upper sieve.
Hillside dividers are installed as standard equipment
on the grain pan 8 where they ensure an even distri-
bution of the material before it reaches the short grain
pan 28.
3
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