|
Marker floats off ground.
|
Machine not down.
|
Machine must be fully lowered for proper marker operation.
|
|
|
Leaking tractor SCV.
|
-
|
|
Markers not alternating in automatic mode.
|
Marker alternating switch on wheel module seven out of adjustment.
|
Fully raise machine and check marker alternating switch adjustment. Refer to ADJUSTING MARKER ALTERNATING SWITCH in Service As Required section.
|
|
Left marker lowers when not selected.
|
Valve S5 stuck open.
|
Check for 12 V at solenoid.
|
|
|
|
Check solenoid.
|
|
Right marker lowers when not selected.
|
Valve S6 stuck open.
|
Check for 12 V at solenoid.
|
|
|
|
Check solenoid.
|
|
Left marker will not lower.
|
No power to control box.
|
Check seven pin connector.
|
|
|
|
Check in-line fuses.
|
|
|
Valve S5 not energized.
|
Check for 12 V at solenoid.
|
|
|
|
Check solenoid.
|
|
|
Valve S5 is stuck closed.
|
Clean or replace valve.
|
|
|
Check position of switches on frame control box.
|
Activate switches if incorrect.
|
| Symptom |
Problem |
Solution |
|
|
Check frame fold switch in pivot area.
|
Broken wires.
|
|
|
|
Carrier damaged or jammed.
|
|
Right marker will not lower.
|
No power to control box.
|
Check seven pin connector.
|
|
|
|
Check inline fuses.
|
|
|
Valve S6 not energized.
|
Check for 12 V at solenoid.
|
|
|
|
Check solenoid.
|
|
|
Valve S6 is stuck closed.
|
Clean or replace valve.
|
|
|
Check position of switches on frame control box.
|
Activate switches if incorrect.
|
|
|
Check frame fold switch in pivot area.
|
Wires damaged or cut.
|
|
|
|
Carrier jammed.
|
|
Marker lowers and disk blade is forced into the ground.
|
Marker cylinder is not floating in J-slot.
|
Lengthen marker hydraulic hoses.
|
|
Marker operating too fast.
|
Verify that there is an orifice fitting in the rod end of the cylinder.
|
Install orifice fitting in rod end of the cylinder.
|
|
|
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. See ADJUST MARKER DISK in Operate Machine section.
|
|
Cannot see marker mark in field.
|
Marker disk angle not aggressive enough.
|
Increase angle of marker disk blade. See ADJUST MARKER DISK in Operate Machine section.
|