Landoll 5531 Grain Drill - Manual (Page 64)

4-36 F-716-1213 Edition
OPERATION AND MAINTENANCE
Figure 4-31: Hydraulic Row Marker Adjustment
Hydraulic Row Marker Disc
Adjustment (Option)

CAUTION
1. The marker disc blade may be adjusted to vary the
mark left in the field.
a. The disc angle may be adjusted to leave a wider
or narrower cut. The steeper the angle the wider
the cut will be (See Figure 4-31.)
b. Loosen the 1/2-13 x 3-1/2” round head square
neck screws that attach the spindle assembly to
the extension tube marker weldment.
c. Rotate the marker blade assembly as desired
and retighten the mounting bolts.
2. The disc blade may also be configured to push or pull
soil towards the drill.
a. To change the direction of the disc blade, first
remove the 4 bolts and dust cap retainer from
each hub assembly.
b. Remove the two 1/2-13 x 3-1/2” round head
square neck screws that attach the spindle
assemblies to the extension tubes.
c. Swap the spindle and hub assemblies with the
right and left markers.
d. Using the 1/2-13 x 3-1/2” round head square
neck screws, attach the spindle assemblies to
the bottom of the extension tubes.
e. Change the direction of the marker disc blade
and reinstall the 4 mounting bolts and dust cap
retainer.
3. To adjust the cutting width of the marker disc, loosen
the u-bolt that secures the extension tube to the
outer arm assembly.
4. Slide the extension tube in or out to the desired
position and retighten the u-bolt.
5. Pull the drill a short distance and verify adjustment.
row marker adjustment
EXTENSION TUBE
MARKER WELDMENT
SPINDLE ASSEMBLY
MARKER BLADE
ASSEMBLY
1/2-13 X 3-1/2 RD
HEAD SQ NECK
SCREW AND HEX
LOCK NUT
U-BOLT
OUTER ARM ROW MARKER WELDMENT
1/2-13 HEX NUT
1/2 SPLIT LOCK WASHER
Marker blades are very sharp. Use gloves when
working around marker blades.