32
PROBLEM
CAUSE
SOLUTION
CHAPTER V
Troubleshooting
High residue in seeds
Use clean seeds
Check and clean meters
Check surface to be fertilized
Check surface to be fertilized
Use dry fertilizer
Furrow not closing
Reposition closing wheels
Operate slower
Field is wet
Seed tubes
plug
Machine pulled bacwards with
openers in contact with the ground
Do not pull machine backwards with
openers touching the ground
Lower openers while machine
is moving forward
Uneven seed
metering
Holes are formed due to dirty
or too small seeds
Use clean seeds and
seeds ejector
Meters plugged by foreign
substance
Fertilizer
tubes plug
Wet, lumpy fertilizer
Use dry, free-flowing fertilizer
Machine pulled bacwards with
openers in contact with the ground
Do not pull machine backwards with
openers touching the ground
Lower openers while machine
is moving forward
Actual fertilizing
rate different
than the
estimated one
Incorrect choice of gear speed
Check gearbox speed
Fertilizer has absorbed humidity
Closing wheels not adjusted properly
Furrow covered
too deep with
loose soil
Openers throwing loose soil behind
Decrease opener down pressure
Furrow covered with
solid ribbon of soil
too much compact
Allow field to dry
Hitch can´t be
linked to the tractor
drawbar
Tractor drawbar is too low
Adjust tractor drawbar at 50 cm
from the ground
Openers are lowered when machine
is not moving forward
Openers are lowered when machine
is not moving forward
