GREAT PLAINS Yield-Pro Air-Pro YP2425A, Руководство оператора

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YP2425A Table of Contents Index Adjustments
Great Plains | 401-626M | 2019-06-11 Table of Contents Index 87
Press Wheel Down Pressure
Handle sets down pressure, which may need
adjustment for different soil types and field conditions.
•
Relax the handle forward (in the direction of travel)
for decreased down pressure.
•
Pull the handle back for increased down pressure.
 Higher press wheel down pressures reduce the down
force on the main row unit shank components, such
as the openers. High press wheel settings may
require an increase in overall row unit down force.
See page 71.
Press Wheel Stagger
The factory stagger setting has been found optimal for
residue flow. If your conditions appear to require even
press wheels, you might try one row before reconfiguring
the entire planter. To change the stagger:
Refer to Figure 123
1. Raise the planter and install the lift assist cylinder
locks. See “ Lift Cylinder Lock-Up ” on page 32.
2. Remove the bolt , nut and lock-washer for
the left press wheel .
3. Move the spacer and wheel to the forward of
the two mounting holes at .
4. Reinstall the bolt, lock washer and nut. Tighten.
Press Wheel Centering
If one press wheel is running in the seed trench, or the
wheels are not centered over the trench, the angle
of
the press wheel assembly can be adjusted as follows:
Refer to Figure 124
1. Determine how far, and in which direction, the press
wheel assembly needs to move to center the wheels.
2. Raise planter and install lift assist cylinder locks. See
“ Lift Cylinder Lock-Up ” on page 32.
3. Loosen the
3
/
8
inch hex-head bolts and .
 Do not loosen the square-head bolts forward of the
hex-head bolts.
4. Turn the hex head cam under the forward hex
head jam bolt , and move the required amount.
5. Tighten both hex head bolts and .
If press wheel adjustments do not provide satisfactory
furrow closing, your conditions may require alternate
press wheels. A variety of wheel assemblies are
available. Consult your Great Plains dealer.
Figure 123
Press Wheel Force & Stagger
22907
1
8
7
6
5
3
4
2
1
1
4 5 6
8
7 8
2
Figure 124
Press Wheel Centering
(View from beneath opener)
25277
3
2
1
4
1
2 3
4
3
2 3