Great Plains PD8070 Operator Manual - Manual (Page 38)

PD8070
401-266M 1/24/2006
36
Ratchet Drive (8 Row Only)
Refer to Figure 32
The ratchet assembly must operate freely
and the springs (1) must bring the dogs (2)
back against the ratchet hub (3).
Repack with grease annually.
Chain Tension
As the chains wear and stretch, you may
need to remove links for proper chain length
and tension. Check and replace bushings on
idlers. For the correct operation of the planter
check all chain routings. Refer to the illustra-
tions on this page for proper chain routings.
Figure 32
Ratchet Drive
15177
16863
15178
16861 16871
Reverser Drive
Drive Gauge Wheel Chain Routing
Transmission Chain Routing Meter Drive Chain Routing