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Marker floats off ground.
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Machine not down.
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Machine must be fully lowered for proper marker operation.
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Leaking tractor SCV.
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-
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Markers not alternating in automatic mode.
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Marker alternating switch on inner right-hand wing wheel module out of adjustment.
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Add an additional washer on top of spring loaded pin.
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Left marker lowers when not selected.
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Valve Y3L stuck open.
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Check for 12 V at solenoid.
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Check solenoid
|
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Right marker lowers when not selected.
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Valve Y3R stuck open.
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Check for 12 V at solenoid.
|
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Check solenoid
|
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Left marker will not lower.
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No power to control box.
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Check seven pin connector.
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Check inline fuses.
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Valve Y3L not energized.
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Check for 12 V at solenoid.
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Check solenoid.
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Valve Y3L is stuck closed.
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Clean or replace valve.
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|
Check position of switches on frame control box.
|
Activate switches if incorrect.
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Winglet not lowered.
|
Lower winglet first.
|
| Symptom |
Problem |
Solution |
|
Right marker will not lower.
|
No power to control box.
|
Check seven pin connector.
|
|
|
|
Check inline fuses.
|
|
|
Valve Y3R not energized.
|
Check for 12 V at solenoid.
|
|
|
|
Check solenoid.
|
|
|
Valve Y3R is stuck closed.
|
Clean or replace valve.
|
|
|
Check position of switches on frame control box.
|
Activate switches if incorrect.
|
|
|
Winglet not lowered.
|
Lower winglet first.
|
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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.
|
|
|
Marker breakaway adjustment bolt adjusted incorrectly.
|
Adjust marker breakaway adjustment bolt exactly as described in REPLACING MARKER BREAKAWAY BOLT - 24 ROW in Service - As Required Section.
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|
|
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.
|