24 Row Markers
IMPORTANT: Before performing any of these checks, verify hydraulic
SCVs are set to maximum flow, frame control console has power (backlight
is on), cleanout switch is set to “Plant” position, and
the proper buttons are pushed for the desired function .
| Symptom | Problem | Solution |
|
Marker floats off ground.
| Machine not down. |
Machine must be fully
lowered for proper marker operation.
|
| |
Leaking tractor SCV.
|
Repair valve or connections.
|
|
Markers not alternating in automatic mode.
| Marker alternating switch on inner right-hand wing wheel
module out of adjustment. |
Add an additional washer
on top of spring loaded pin.
|
|
Left marker lowers when not selected.
| Valve Y3L stuck open. |
Check for 12 volts at
solenoid.
Check solenoid
|
|
Right marker lowers when not selected.
| Valve Y3R stuck open. |
Check for 12 volts at
solenoid.
Check solenoid
|
|
Left marker will not lower.
| No power to control box. |
Check seven pin connector.
Check inline fuses.
|
| |
Valve Y3L not energized.
|
Check for 12 volts at
solenoid.
Check solenoid.
|
| |
Valve Y3L is stuck closed.
|
Clean or replace valve.
|
| |
Check position of switches on frame control box.
|
Activate correct switches.
|
| |
Winglet not lowered.
|
Lower winglet first.
|
|
Right marker will not lower.
| No power to control box. |
Check seven pin connector.
Check inline fuses.
|
| |
Valve Y3R not energized.
|
Check for 12 volts at
solenoid.
Check solenoid.
|
| |
Valve Y3R is stuck closed.
|
Clean or replace valve.
|
| |
Check position of switches on frame control box.
|
Activate correct switches.
|
| |
Winglet not lowered.
|
Lower winglet first.
|
|
Marker operating too fast.
| Verify there is an orifice fitting in both the rod end
and piston end of the cylinder. |
Install orifice fitting.
|
| |
Air in hydraulic system.
|
Disconnect cylinder
and cycle cylinder to eliminate air.
|
|
Shear bolt shears too often.
| Marker disk angle too aggressive. |
Reduce angle of marker
disk blade.
|
| |
Incorrect marker breakaway bolt adjustment.
|
Adjust marker breakaway bolt exactly as described in
REPLACE 24 ROW MARKER BREAKAWAY BOLT- in Service section.
|
| |
Incorrect marker shear bolt or marker shear bolt too
short.
|
Replace marker shear bolt with correct M8 x 1.25 x 55
mm Grade 8.8 bolt.
|
|
Cannot see marker mark in field.
| Marker disk angle not aggressive enough. |
Increase angle of marker
disk blade.
|
|
|
OUO6074,0000E79-19-20090515
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