Great Plains YP1220 Operator Manual - Manual (Page 56)

52 YP1220 Great Plains Manufacturing, Inc.
401-506M 03/14/2012
Excessive
seed
cracking. Excessive field speed. Reduce field speed.
Unclean seed. Use clean seed.
Damaged, old or dry seed. Use clean, new seed.
Press wheel
or row-units
plugging Planting conditions too wet. Wait until drier weather.
Too much pressure on row-units. Reduce down pressure on row-units.
Planter not set to run level from front
to rear, carrying enough weight on
gauge wheels to prevent “nosing
over”, or set too low on rear caster
eyebolts allowing it to run “nose
high”. Check Leveling Frame Side-to-Side, page 17.
Backed up with planter in the
ground. Clean out and check for damage.
Failed disk bearings. Replace disk bearings.
Disk blades worn. Replace disk blades.
Scraper worn or damaged. Replace scraper.
Air lines
plugging
between air
box and Y
splitters Fan too slow. Speed up fan.
Seed
blowing out
of pro-box
door area Fan too fast. Slow down fan.
Seal from airbox to hopper not
adjusted. Adjust seal.
Air lines
plugging
between Y-
tube and
meter Improper air hose routing. With machine folded the air lines should be tight. With it
unfolded they should form a gentle horizontal “S” shape
through the holders with no big sags.
Air lines
plugging
above air
box at fold
area Fan too slow. Speed up fan.
Improper air hose routing. With machine folded the air lines should be tight. With it
unfolded they should form a gentle horizontal “S” shape
through the holders with no big sags.
Problem Cause Solution