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GREAT PLAINS 606NT メンテナンス・マニュアル
4) Check the seed cups for any foreign objects in the seed cups. Loosen wing nut on
seed rate handle and open all the way to 100% on the brass plate. Move handle
back until the edge of the flute or meter wheel is flush with the seam between the
two feed cup halves (this is 50% open). Place a 7/8 square shaft between the edge
of the flute and side of the cup. The brass plate should read 50 on the seed rate
handle, if not, loosen the screws holding the brass plate and adjust plate to 50. If
an individual cup is not consistent, loosen the bolts holding the cup to the bottom
of the seed box and adjust seed cup housing left or right as needed.
5) Each feed cup is equipped with a four-position adjustment handle.
A) The highest position is for wheat and other small grains.
B) The second is for soybeans and other large grains.
C) The third is used if the seed is cracking in the second position.
D) The bottom position is for clean out of the seed cup and will drain any
grain left in the seed box.
DO NOT OPEN the seed cup handle to the bottom position with seed in the box
unless complete clean out is desired. Changing this handle will not change the
seeding rate.
NOTE: When storing after drilling season, it is best to place the handle in the
bottom position to prevent damage from mice.
Cup
Seam = 50%
Seed-Rate Handle