Great Plains 3N-4025P Operator Manual - Manual (Page 60)

3N-4010P, 3N-4015P, 3N-4020P and
3N-4025P
196-286M 4/23/2010
58
Marker Chain
Refer to Figure 87
1. Lifting Slack. With marker unfolded, adjust
chain to a length of 67 inches as shown.
Slowly fold marker while observing disk. If
marker disk slides across the ground more
than a foot before chain and linkage lifts it up,
the chain is too long.
Remove bolt (1) and shorten chain one or two
links. Check adjustment by repeating folding
process.
If chain is too short when marker is unfolded,
it will prevent end of marker from dropping
into field depressions, causing skips in your
marker line. Correct this condition by length-
ening chain one or two links.
Figure 87
Marker Chain Adjustment
18962