Great Plains 3N4010HDA Operator Manual User Manual
Page 56
52
3N-4010HDA
Great Plains Manufacturing, Inc.
196-444M
2013-09-24
Press wheel or openers
plugging
Planting conditions too wet
Wait until drier weather.
Coulters not set deep enough to cut
residue
Check coulter adjustment.
Coulters set too deep, bring up excess
dirt and moisture
Check coulter adjustment.
Drill 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 Drill” on page 56.
Opener set too deep
Opener spring force too high
Backed up with drill in the ground
Clean out and check for damage.
Failed disk bearings
Replace disk bearings.
Disk blades worn
Adjust or replace disk blades, page 46.
Scraper worn or damaged
Replace scraper blade.
Marker Malfunction
Air or oil leaks in hose fittings or con-
nections
Check all hose fittings and connections for air
or oil leaks.
Market circuit not selected
Check Fold/Marker selector valve (if installed
on drill)
Low tractor hydraulic oil level
Check tractor hydraulic oil level.
Loose or missing bolts or fasteners
Check all bolts and fasteners.
Needle valve plugged (single marker)
Open needle valve, cycle markers slowly and
reset needle valve, refer to page 62.
Needle valve(s) in sequence valve
plugged
Open needle valves, cycle markers slowly
and reset needle valves, refer to page 62.
Marker disk does not
mark
Marker folding linkage does not have
enough slack to allow marker disk to
drop into field depressions
Disk angle or orientation not optimal
Angle marker disk blade, or reverse blade to
pull or throw dirt.
Drill does not fold or
unfold fully
Air in lines
Bleed fold system.
Cylinder mounts misaligned
Check spacers, page 55.
Fluid run-out
Check tractor fluid level.
Drill hunts in transport
Worn skid blocks
Replace blocks or add shims
Locks not engaged
Check lock operation
Problem
Cause
Solution