NOTE: The seed disk (A) should rotate smoothly, slightly touching
the meter case. Seed should not leak around circumference of meter.
When planting small seeds such as sorghum the seed disk should remain
in light contact with the housing to prevent the escape of seeds.
Manually turn the disk and check the space between the disk
and the meter housing in the indicated section (C). If the disk encounters
a lot of friction or if seeds are escaping through this space, the
adjust the position of the hub. See “Meter Hub Adjustment” in
this section.