Great Plains 3PYPA Operator Manual - Manual (Page 65)

Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 61
03/20/2012 Table of Contents Index 401-647M
Cart Weight Transfer
Some of the cart weight can be transferred to the main-
frame by retraction of the lift-assist cylinders, with a
weight-transfer pin in place. This operating mode is com-
patible with wing-lock, wing-flex and hydraulic down-
pressure planters.
1. Disconnect the 3-point top link.
Refer to Figure 71
2.
Install the lift-assist weight-transfer pins . The pins
are stored in a plate behind the cart parallel arm
pivot weldment. Install them in the large holes at the
bottom of the rod-end lug in the frame-to-cart parallel
arms.
3. Remove the lift-assist shear bolts from the small
holes
below the lift-assist rod-end lug upper pivot
pins. Store the bolts in the plates behind the cart par-
allel arm pivot weldments.
4. Fully retract the lift-assist cylinders when lowering
the planter in the field.
Marker Adjustments (Option)
See also:
• “Initial Marker Setup (Option)” on page 163 for
marker speed and marker extension
• “Marker Operation (Option)” on page 49; and,
• “Marker Maintenance (Option)” on page 117 for
marker shear bolt, marker chain length, and marker
hydraulic bleeding
Marker Disk Adjustment
Sharp Object Hazard:
Use caution when making adjustments in this area.
Marker disks may be sharp.
Refer to Figure 72
1.
To change angle of cut, and the width of the mark,
loosen
1 ⁄
2
-inch bolts holding the disk assembly.
For a wider mark , increase the angle of the
marker with respect to the tube . For a narrower
mark , reduce the angle.
Note: Do not set a marker angle wider than need to make
a useful mark. Excess angle increases wear on all
marker components.
2. Tighten bolts .
Note: Direction of travel tends to drive the disk angle to
Wide. If bolts are not tight enough, or loosen over
time, disk slips into the Wide mark configuration.
Null4:
Figure 71
Weight Transfer Pin
29201
7
6
6
7
Sharp Overhead Object and Pinch/Shear Hazards:
Never allow anyone near the planter when folding or unfold-
ing the markers. Markers may fall quickly and unexpectedly if
the hydraulics fail. Anyone beneath may be injured if hit by an
unfolding marker, or caught in a folding marker.
Null4:
Figure 72
Marker Disk Angle
11757
T
2
1
N
W T
2
W
1
N
2
T