Planter (Unfolded)

Symptom Problem Solution

Planter will not lower. (Tractor engine must be running and console power light on.)

Service locks installed.

Reposition service locks.

7P valve stuck closed.

Clean or replace valve.

7P solenoid not energizing.

Check solenoid.

Pilot check valves stuck closed.

Clean or replace valves. (See your John Deere dealer.)

Control console not powered.

Check electrical connections at 7-pin connector.

Pressure and return hoses not fully engaged in SCV outlets.

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Planter frame unequal. (Left wing frame higher or lower than right wing frame.)

Air in hydraulic system.

Remove air and rephase master cylinder.

Service lock on wing frame.

Reposition service lock.

Planter center frame higher than wing frames.

Service locks on center frame wheels.

Remove service locks.

Air in hydraulic system.

Remove air.

Excessive attachment and planting unit down force.

Reduce spring force on unit down force springs, openers (attachments).

Collar on rear of master cylinder misadjusted.

Adjust stop. See Leveling the Planter in Operation section.

Defective or stuck flow divider valve.

Clean and replace valve. (See your John Deere dealer.)

Planter frame raises or lowers slowly.

Low tractor hydraulic pressure.

Tractor standby pressure must be a minimum of 15 513 kPa (155.1 bar) (2250 psi).

SCV not in "HARE" full open position.

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720016ROM,TS,A -19-13MAY97-1/4


Symptom Problem Solution

Erratic or uneven lift.

Air in hydraulic system.

Retract cylinder completely and hold SCV lever.

Stuck or defective flow dividers.

Clean or replace flow dividers. (See your John Deere dealer.)

SCV not in "HARE" full open position.

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Planter will not raise.

Tractor SCV bypassing oil.

Readjust SCV lever linkage. ( See Tractor Operator's Manual.)

Re-cut vacuum blower rubber stop.

Planter will not fold.

5R solenoid not energizing.

Check solenoid.

5R valve stuck closed.

Clean or replace valve.

Planter folds when not selected.

5R valve is stuck open.

Clean or replace valve.

Thermal relief valve stuck open.

Clean or replace valve.

Wings bulldoze in soft soil conditions.

Excessive weight on wings.

Close off outer fertilizer tanks. Order BA25425 from your John Deere dealer.

Unit furrowers, disk openers, gauge wheels or transport wheels must rotate freely.

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Planting too fast.

Reduce operating speed.

Hitch too low.

Raise hitch.

Excessive planting unit down force.

Reduce down force.

720016ROM,TS,A -19-13MAY97-2/4


Symptom Problem Solution

Marker floats off ground.

Air in hydraulic system.

Bleed marker lift cylinder.

Alternator valve defective.

Replace valve. (See your John Deere dealer.)

Planter not down.

Planter must be completely down as lift system oil will raise marker as planter goes down.

Leaking tractor SCV.

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Marker cylinder not dropping down into J-slot. (Hose loop too short.)

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Markers not alternating.

Air in the marker valve.

Bleed marker hydraulic system.

Marker valve defective.

Replace valve. (See your John Deere dealer).

Marker lowers when not selected.

2P valve stuck open.

Clean or replace valve.

Air in the marker valve.

Bleed marker hydraulic system.

Switch in NORMAL position.

Press switch to MARKER OFF.

Marker lowers and disk blade is forced into the ground.

Marker cylinder is not floating in J-slot.

Lengthen marker hydraulic hoses.

Marker will not lower.

2P solenoid not energizing.

Check solenoid.

Switch in MARKER OFF position.

Press switch to NORMAL position.

Row units on right-hand side of planter not planting.

Right-hand drive shaft cotter pin sheared.

Repair cause of pin shearing and replace cotter pin.

Half-Width Drive Disconnect is engaged.

Move switch to middle position.

Row units on left-hand side of planter not planting.

Left-hand drive shaft cotter pin(s) sheared.

Repair cause of pin shearing and replace cotter pin.

Half-Width Drive Disconnect is engaged.

Move switch to middle position.

Closing wheels leave severe imprint in soil.

Too much spring force.

Adjust closing wheel spring.

720016ROM,TS,A -19-13MAY97-3/4


Symptom Problem Solution

Closing wheels not firming soil around seed.

Insufficient spring force.

Adjust closing wheel spring.

Closing wheel running on top of seed furrow.

Improper centering.

Align.

Closing wheels not applying equal force.

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Realign.

Fertilizer opener does not penetrate sufficiently.

Improper adjustment of pressure.

Move bolt to lower position.

Fertilizer opener penetrates too deeply.

Improper adjustment of pressure.

Move bolt to upper position and adjust spring bolt.

One fertilizer opener not distributing fertilizer.

Fertilizer tube opener spout plugged.

Inspect, clean and remove obstruction.

Dry fertilizer not being uniformly distributed.

Using wrong augers or augers assembled incorrectly.

Reassemble with correct augers.

Augers not centered in hopper.

Reposition hoppers on center augers.

Consistent shearing of drill shaft cotter pin.

Drill shaft not aligned properly at couplers.

Loosen bearing and align shaft.

Drive wheel chain consistently falls off.

Chain may be too long.

Remove offset link.

Chain links stiff.

Oil or replace chain.

Chain dislodged by trash.

Add chain shields.

720016ROM,TS,A -19-13MAY97-4/4