Kinze 3140 Stack Fold Planter Rev. 7/14 - Manual (Page 147)

TM
Model 3140 M0245-01
9/12 7-7
Troubleshooting
ROw MARKER OPERATION
PRObLEM POSSIbLE CAUSE SOLUTION
Both markers lowering and
only one raising at a time. Hoses from cylinders to valve connected
backwards. Check to ensure proper hose routing.
(See illustration below.)
Same marker always
operating. Spool in sequencing valve not shifting.
Speed
Control
Marker
Raise
Right Marker Left Marker
Butt End
Speed
Control
Marker
Lower
Butt End
Tractor
Rod End
Spool
Remove spool, inspect for foreign
material, making sure all ports in spool
are open. Clean and re-install.
Both markers lower and
raise at same time. Foreign material under check ball in
sequencing valve. Remove hose fitting, spring and
balls and clean. May be desirable
to remove spool and clean as well.
Check ball missing or installed incorrectly in
sequencing valve. Disassemble and correct. See
illustration in Parts Section.
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.