Great Plains 3N-4020 Operator Manual - Manual (Page 73)

Great Plains Manufacturing, Inc. Table of Contents Index Adjustments 69
2013-10-29 Table of Contents Index 196-359M
Marker Adjustments
This section covers marker items that may need adjust-
ment for current conditions, and assumes that the mark-
ers are installed, set to the correct initial extension and in
proper working order. See also:
• “Marker Setup (Option)” on page 18
• “Marker Maintenance” on page 107
Marker Disk Adjustment
Sharp Object Hazard:
Marker disks may be sharp. Use caution when making adjust-
ments in this area.
Adjusting Mark Width
Refer to Figure 99
is the direction of travel.
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.
Tighten bolts .
Direction of Cut
Refer to Figure 100
To have the marker throw dirt out, invert the disk on the
spindle, and invert the disk assembly.
Figure 99
Marker Disk Angle
11757
T
2
1
N
W T
Figure 100
Marker Disk Inverted
11248
T T
2
W
1 N
2