Row marker operation troubleshooting, Row marker operation troubleshooting -6 – Kinze 3200 Wing-Fold Planter Rev. 7/14 User Manual
Page 186
M0241-01
Model 3200
8-6
6/11
TM
Troubleshooting
ROW MARKER OPERATION TROUbLESHOOTING
PRObLEM
POSSIbLE CAUSE
SOLUTION
Same marker always operating.
Speed Control
Marker Raise
Speed
Control
Marker
Lower
Right Marker
Left Marker
Spool
Butt End
Butt End
Rod End
Spool in sequencing valve not
shifting.
Remove spool. Inspect for foreign
material, making sure all ports in
spool are open. Clean and reinstall.
Both markers lowering and only one
raising at a time.
Hoses from cylinders to valve
connected backwards.
Check hosing diagram in manual and
correct.
Both markers lower and raise at same
time
Foreign material under check ball in
sequencing valve.
Remove hose fitting, spring, and
balls. Clean. May be desirable to
remove spool and clean as well.
Check ball missing or installed
incorrectly in sequencing valve.
Disassemble and correct. See above
illustration.
Marker (in raised position) settling
down.
Damaged o-ring in marker cylinder or
cracked piston.
Disassemble cylinder and inspect for
damage and repair.
Spool in sequencing valve not shifting
completely because detent ball or
spring is missing.
Check valve assembly and install
parts as needed.
Spool in sequencing valve shifting
back toward center position.
Restrict flow of hydraulic oil from
tractor to sequencing valve.
Neither marker will move.
Flow control closed too far.
Loosen locking nut and turn flow
control adjustment bolt out or
counterclockwise until desired speed
is set.
Markers moving too fast.
Flow control open too far.
Loosen locking nut and turn flow
control adjustment bolt in or clockwise
until desired speed is set.
Sporadic marker operation speed.
Needle sticking open in flow control
valve.
Remove flow control, inspect and
repair or replace.