Great Plains 3N-4025P Operator Manual - Manual (Page 133)

Great Plains Manufacturing, Inc. Table of Contents Index Troubleshooting 129
2014-01-29 Table of Contents Index 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