GREAT PLAINS LC25 Handleiding voor veldaanpassing - Pagina 2

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Row Unit Down Pressure (Springs):
Increase individual row spring down pressure for rows
that run in tire tracks.
The following table provides the down-force values with
the tool bar and parallel arms level with the ground:
Down Force
Pounds
kg
350
160
390
175
450
205
490
220
540
245
To Adjust Spring Pressure:
1) Measure the current bolt reveal (1) from the top of the
cast spring plug to the bottom of the bolt head (top of
washer) on each spring.
2) Loosen the jam nut (2) at the cast plug.
3) Turn the bolt head (3) to obtain the new reveal value.
Make the same adjustment to both springs.

Coulter Adjustment:

1) Raise the implement high enough to take pressure off
of the coulter. Adjustments can be made with the coulters
on the ground but requires more effort.
2) Remove the hairpin (4) and release the crank handle
from storage.
3) Note the current setting on the scale at the row being
adjusted. Each 1/2 number graduation represents
approximately 1" (2.5 cm) of vertical coulter movement.
4) Remove the hair pin (5) from the adjustment shaft.
5) Place the crank on the threaded rod (6) and rotate the
crank until the desired scale value appears at the top of
the pivot plate (7).
6) Adjust the crank to re-align the pin hole in the thread
rod with the slot in the scale.
7) Once adjusted, repeat steps for all rows.
Document
#TLUS850C-0001A
Bolt Reveal
Inches
mm
3.20a
89
3.25
83
3.00
76
2.75
70
2.50
64
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