Yetter 71 Series Planter - Manual (Page 35)

35
TROUBLESHOOTING
Problem
Inaccurate drop
Planting more seed in some
rows than in others
Too many skips.
Depth adjusting cam does not
rest against stop in planting
position.
Runners plugging
Cause
Wrong seed plate
Floor plate turned wrong side
up or wrong false ring used.
Knocker worn or not working
freely
Chain on wrong sprockets
Planting too fast
Cut-off worn
Weak cut-off spring
Wrong seed plate or false ring
in one hopper
Hopper not secured tightly.
Seed hoppers nearly empty
Obstruction in seed plate
Excessive speed
Down pressure spring too
tight.
Planter not running level
Allowing planter to roll
backward when lowering
Solution
Select proper seed plate
Turn floor plate over or select
proper false ring.
Replace knocker. (Under cut-
off cap)
Refer to charts.
Plant slower
Replace cut-off
Replace spring
Select right seed plate or false
ring to match
Secure with latch.
Fill hoppers.
Remove obstruction.
Slow down to recommended
speed.
Loosen down pressure spring.
Level planter
Lower planter only when
tractor is moving forward.