Great Plains 1525P Operator Manual - Manual (Page 57)

8/14/2006 118-949M
55 Troubleshooting
Press wheel or openers plug-
ging Planting conditions too wet. Wait until drier weather.
Drill not running level front-to-back in the
field. Readjust top link to level drill.
Drill frame height incorrect. Adjust drill frame height, page 33.
Coulters not set deep enough to cut resi-
due. Check coulter adjustment in hitch opera-
tor’s manual.
Opener set too deep. Readjust, page 26.
Opener spring force too high. Readjust, page 25.
25 Series Openers press wheel spring
force too high. Readjust 25 series, page 25
20 or 25 Series Openers 1 x 12 press
wheel stagger adjustment not correct. Correct press wheel stagger.
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 62.
25 Series Opener side depth wheels not
adjusted correctly. Readjust, page 24.
Scraper worn or damaged. Replace scraper.
Openers plugging in no-till conditions. Drill at a slight angle to the rows.
Drill is not pulling level front-
to-back Incorrect top link adjustment. Readjust top hitch link to level drill.
Hydraulic marker functioning
improperly Air or oil leaks in hose fittings or connec-
tions. Check all hose fittings and connections
for air or oil leaks.
Low tractor hydraulic oil level. Check tractor hydraulic oil level.
Loose or missing bolts or fasteners. Check all bolts and fasteners.
Needle valve plugged. Open needle valve, cycle markers slowly
and reset needle valve, refer to page 46.
Needle valve(s) in sequence valve
plugged. Open needle valves, cycle markers slowly
and reset needle valves, refer to page 46.
Marker disk does not mark Marker folding linkage does not have
enough slack to allow marker disk to
drop into field depressions. Maximum down float should be limited by
the slot at the rod end of the marker cylin-
der, refer to page 46.
Reverse marker disk to pull or throw dirt.
Problem Cause Solution