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Planter will not lower.
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Pressure and return hoses not fully engaged in SCV outlets.
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Remove service locks.
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Service locks installed.
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a
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Planter frame raises or lowers slowly.
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Low tractor hydraulic pressure.
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Tractor standby pressure must be a minimum of 15 513 kPa (155.1 bar) (2250 psi).
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Planter frame raises too high (6-RW-8-RN)
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Master cylinder stops not installed.
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Install cylinder stops.
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SCV not in hare position.
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-
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Erratic or uneven lift.
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Air in hydraulic system.
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Remove air.
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Master cylinder seal leaking (6RW-8-RN)
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Replace seal.
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Planter will not raise.
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Tractor SCV bypassing oil.
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Readjust SCV lever linkage. ( See Tractor Operator's Manual.)
Re-cut vacuum blower rubber stop.
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Marker raises too rapidly. (1750 Standard)
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Foreign material in valve seat.
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Clean valve assembly.
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Marker lowers too slowly. (1750 Standard)
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Improper valve adjustment.
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Adjust valve.
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Marker lowers too rapidly. (1750 Standard)
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Improper valve adjustment.
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Adjust valve.
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| Symptom |
Problem |
Solution |
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Marker fail to raise and lower properly. (1750 Standard)
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Alternating (actuator) assembly not working properly.
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Inspect assembly, clean, lubricate and/or replace worn parts.
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Marker cable binding inside of main frame.
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Inspect marker cable.
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Air lock in hydraulic hoses.
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Bleed hoses.
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Actuator not lubricated.
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Lubricate actuator.
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Too much tractor hydraulic back pressure.
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Consult your tractor operator's manual.
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Marker cylinder not extending completely.
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Check marker cylinder.
Check for any interference.
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Cushion spring contacting stop on frame too tightly.
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Adjust cable for light contact.
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Markers not alternating.
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Marker hoses not connected to marker valve correctly.
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-
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Air in marker valve.
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Bleed marker hydraulic system.
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Marker valve defective.
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Replace valve. See your John Deere dealer.
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Marker lowers and disk blade is forced into ground.
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Marker cylinder is not floating in J-slot.
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Lengthen marker hydraulic hose loops.
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Marker floats off ground.
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Air in hydraulic system.
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Bleed marker lift cylinder.
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Alternator valve defective.
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Replace valve. (See your John Deere dealer.)
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Leaking tractor SCV.
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-
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Marker cylinder not dropping down into J-slot. (Hose loop too short.)
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Lengthen marker hydraulic hose loops.
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Row units on right hand side of planter not planting.
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Right-hand drive shaft cotter pin sheared.
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Repair cause of pin shearing and replace cotter pin.
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Row units on left-hand side of planter not planting.
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Left-hand drive shaft cotter pin sheared.
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Repair cause of pin shearing and replace cotter pin.
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| Symptom |
Problem |
Solution |
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All row units not planting on planter.
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Pin in countershaft sprocket to seed transmission sheared.
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Repair cause of pin shearing and replace cotter pin.
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Closing wheels leave severe imprint in soil.
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Too much spring force.
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Adjust closing wheel spring.
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Closing wheels not firming soil around seed.
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Insufficient spring force.
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Adjust closing wheel spring.
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Closing wheel running on top of seed furrow.
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Improper centering.
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Realign.
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Closing wheels not applying equal force.
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-
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Re-level.
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Consistent shearing of drill shaft cotter pin.
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Drill shaft not aligned properly.
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Loosen bearing and align shaft.
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Drive wheel chain consistently falls off.
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Chains may be too long.
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Remove offset link.
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Chain links stiff.
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Oil or replace chain.
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Chain dislodged by trash.
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Add chain shields.
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Fertilizer opener does not operate sufficiently.
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Improper adjustment of pressure.
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Move bolt to lower position.
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Fertilizer opener penetrates too deeply.
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Improper adjustment of pressure.
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Move bolt to upper position and adjust spring bolt.
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One fertilizer opener not distributing fertilizer.
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Fertilizer tube opener spout plugged.
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Inspect, clean and remove obstruction.
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Dry fertilizer not being uniformly distributed.
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Using wrong augers or augers assembled incorrectly.
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Reassemble with correct augers.
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Augers not centered in hopper.
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Reposition hoppers on center augers.
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