Great Plains V-300F Operator Manual - Manual (Page 82)

78 V300 & V300F Great Plains Manufacturing, Inc.
148-057M-A 11/15/2007
Position Seed Cup Doors
Refer to Figure 83,
which depicts the seed cup door handle in position
.
At each main seed box seed tube, adjust the seed cup
door handle
for the seed size.
The handle has three normal operating position detents:
Note: Handle position is used for cleanout, not plant-
ing. If set to this position with seed loaded, it may be
difficult to reset it to a normal operating position.
Disabling Main Seed Box Drive
To prevent wear when not applying seed from main seed
box, and when calibrating other than main seed, the
main seed shaft can be disengaged from the drive sys-
tem.
The drive is engaged when the cross pin in the clutch is
seated in the deeper detent, with the pin perpendicular to
the shaft.
Refer to Figure 84, a rear view of the shaft with the seed boxes
removed, and Figure 85, an exploded view from above left rear
1.
It may be necessary to remove one or both guards to
gain access to the clutch.
2. Pull the cross pin away from the shaft, and rotate it
1 ⁄
4
turn, seating it in the shallower detent parallel to
the shaft.
To re-enable the main seed drive:
3. Pull the cross pin away from the shaft, and rotate it
1 ⁄
4
turn, seating it in the deeper detent perpendicular
to the shaft.
Note: The pin does not need to fully seat at this time. It
automatically drops into full engagement at the
next movement of the ground drive.
4. Re-mount any removed guards.
(top detent) is for the smallest seeds.
Use it for wheat and similar small seeds.
(middle detent) is for larger seeds.
Use it for soybeans and similar larger seeds.
(bottom detent) is for oversize or fragile seeds.
If you experience excessive cracking with
setting
, use setting .
4
3
Figure 83
Seed Cup Door Handle
26211
1
5
2
3
4
1
2
3
2 3
5
Figure 84
Main Box Drive Clutch
22611
1
Figure 85
Main Box Drive Clutch
23276
1