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14
OPERATION
Initial Settings for Rotors
Every
experienced
operator
knows
crop
and
harvesting
conditions
vary
from
season-to-season,
and
field-to-field.
T
aking
advantage
of
years
of
experi
ence,
the
following
tables
have
been
assembled
as
recommendations
for
initial
settings
as
harvest
begins,
in
average
harvesting
conditions.
Fine-tuning
as
harvest
progresses
will
allow
you
and
your
combine
to
maximize
performance.
W
ith
notched
separator
bars.
Some
soybean
varieties
may
require
rotor
speeds
up
to
700
RPM
or
more.
1st
Slotted,
2nd
and
3rd
solid.
Helical
kickers
to
enhance
material
flow:
two
suggested
for
1680:
three
additional
suggested
for
1660,
1666,
2144,
and
2166.
Air
volume
may
be
regulated
while
harvesting
light
grasses
by
rotating
the
fan
cut-off
plate
to
a
vertical
position.
Do
not
open
front
of
chaff
sieve
more
then
center
section.
ST
ANDARD ROTOR
Crop
Rotor Speed
Concave
Setting
Grate
Cleaning System T
ype
Short (1620, 1640, 1660,
1680)
Long (1644, 1666,
2144, 2166, 2344,
2366)
Long (1680, 1688,
2188, 2388)
1620
1640
1644
1660
1666
1680
1688
Indicator
Setting
T
ype
T
ype
Chaffer
Setting
Shoe
Setting
Fan
RPM
Paddle
Blade
Fan
RPM
Cross
Flow
Chaffer
Setting
Frt.–
Mid.–
Rear
Shoe
Setting
Fan
RPM
Cross
Flow
Chaffer
Setting
Frt.-Mid.-
Rear
(3
lever)
Shoe
Setting
Fan
RPM
Paddle
Blade
Fan
RPM
Cross
Flow
Barley
750
850
750
2
SW1,
LW
2
&3
1
Slot/2
Bar
1/2
1/4
750
1000
1/2-1/2-
5/8
3/8
1000
1/2-1/2-
5/8
3/8
1000
1000
Corn
500
500
450
Corn
L
W
Bar
1/2
9/16
1000
1100
1/2-1/2-
5/8
1/2
1100
1/2-1/2-
5/8
1/2
1100
1100
Milo/
Maize
720
600
450
3
L
W
Bar
1/2
3/8
900
1100
3/8-1/2-
1/2
5/16
1100
3/8-1/2-
1/2
5/16
1100
1100
Rye
Grass
900
750
700
4
o
r
5
SW
Slotted
1/2
1/4
450
450
3/8-1/2-
1/2
1/4
450
3/8-1/2-
1/2
1/4
450
450
Soybeans
600
500
400
4L
W
Bar/
Slot
5/8
3/8
1000
1100
1/2-5/8-
5/8
3/8
1050
1/2-5/8-
5/8
3/8
1100
1100
Sunflower
420
350
300
5
SW1,
L
W2,
&3
Slot/
Solid
5/8
7/16
700
770
3/8-1/2-
5/8
7/16
770
3/8-1/2-
5/8
7/16
770
770
Wheat
1080
900
800
2
S
W
Slotted
5/8
3/8
850
1050
3/8-1/2-
5/8
1/4
1050
3/8-1/2-
5/8
1/4
1050
1050
Table 14.1
Содержание Axial-Flow 1688
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