Point row troubleshooting – Great Plains 3N-4025P Operator Manual User Manual
Page 133

Great Plains Manufacturing, Inc.
Troubleshooting
129
2014-01-29
196-538M
Point Row Troubleshooting
Drill does not fold or
unfold fully
Rephase cylinders, refer to page 145.
Bleed fold circuit, refer to page 146.
Adjust fold cylinders, refer to page 146.
Drill wanders back and
forth in transport
Use all locks.
Adjust tongue shims on rub blocks or
frame spacers, refer to page 144.
Adjust fold cylinders, refer to page 146.
Problem
Cause
Solution
no seed
metering, all
rows
fuse blown
Check fuse. Correct
underlying fault before
replacing fuse.
height switch
not tripping
Check adjustment of
height switch.
no metering,
one section
clutch failure Lock-up clutch until
repaired or replaced.
shearing
Replace
1
⁄
4
-20 bolts and
1
⁄
4
inch roll pins in clutch
assembly.
seed rate low
or uneven
lubricant in
clutch
Disassemble and
degrease clutches.
meters
always on
CAL mode
on
Move Master switch
handle from CAL to ON.
height switch
always on
Check adjustment of
height switch.
Problem
Cause
Solution