Press wheel down pressure, Press wheel stagger, Press wheel centering – Great Plains 3P4025AH Operator Manual User Manual
Page 71
Great Plains Manufacturing, Inc.
Adjustments
67
2014-07-29
411-099M
There are three adjustments available on the press
wheel assembly and a fourth option on press wheel
assemblies with cast wheels:
Refer to Figure 75
1.
Down pressure (shown at maximum)
2.
Wheel stagger (shown staggered)
3.
Centering (see Figure 77 on page 67)
4.
Cast Wheel Plow Angle (see Figure 78 on page 68)
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.
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
re-configuring the entire planter. To change the stagger:
Refer to Figure 76
1.
Raise the planter and install the lift assist cylinder
locks. See “Lift-Assist Locks (Option)” on page 23.
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.
Re-install 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 77
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-Assist Locks (Option)” on page 23.
3.
Loosen the
1
⁄
2
inch hex-head bolts
and
.
Note: 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
.
Figure 75
Press Wheel Adjustments
25118
1
3
2
1
1
Figure 76
Press Wheel Force & Stagger
22907
1
8
7
6
5
3
4
2
4
5
6
8
7
8
2
Figure 77
Press Wheel Centering
(View from beneath opener)
25277
3
2
1
4
1
2
3
4
3
2
3