Delivery System

Symptom Problem Solution

Bunching and Skipping.

Stopping drill in field.

Stop at row ends.

Convoluted seed hoses sag when drilling at shallow depths.

Slide convoluted hose lower on steel seed tube to tighten hose.

Varying Quantities Drilled by Individual Feeds.

Seed bridging in box due to unclean seed, inoculation, treatment or dampness.

Use agitators (available from your John Deere dealer).

Feed gates not all set the same.

Adjust gates. See SETTING FEED CUPS in Preparing The Machine section.

Feed cup out of adjustment with fluted feed roll.

Adjust feed. See RESETTING FEED CUPS in Service section.

Sensor reading low.

Sensor eye dirty.

Remove seed tube and clean sensor eye with bottle brush or cloth.

Feed cup not calibrated.

Calibrate feed cup. See RESET FLUTED-FEED CUPS.

Sensor reading high.

Feed cup not calibrated.

Calibrate feed cup. See RESET FLUTED-FEED CUPS

Rate adjuster ratcheting instead of moving index pointer when activated by hand held controller.

Meter shaft and/or meters dirty, rusty or corroded.

Lightly spray metallic meter shaft components, including hole in drive gear behind end panel of grain box, then manually crank index pointer full range of motion (see Lubrication section).

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Symptom Problem Solution

Rate adjuster not moving when activated by hand held controller.

Faulty fuse.

Replace fuse.

Harness damaged.

Repair or replace harness.

Harness connection loose.

Fasten all connections tightly.

Meter shaft and/or meters dirty, rusty or corroded.

Lightly spray metallic meter shaft components, including hole in drive gear behind end panel of grain box, then manually crank index pointer full range of motion (see Lubrication section).

Seeds Cracking.

Improper feed gate latch position.

Adjust feed cups properly. See SETTING FEED CUPS in Preparing The Machine section.

Quantities Drilled Not Agreeing With Seed Chart.

Feed gates improperly adjusted.

Adjust feed cup gates. See SETTING FEED CUPS in Preparing The Machine section.

Heavier or lighter than average seed weight or varied seed size.

See PERFORMING ACCURATE RATE CHECKS, USING DENSITY METER, and/or RATE CHARTS in Preparing The Machine section.

Feed cups not properly adjusted.

See SETTING FEED CUPS in Preparing The Machine section.

Improper shift lever setting.

Correct setting. See SETTING GRAIN SHIFTER in Preparing The Machine section.

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Symptom Problem Solution

Quantities Drilled Not Agreeing With Fertilizer Chart.

Using wrong fertilizer drive.

Check drive for proper gear and sprocket assembly. Be sure of gear case setting. See SETTING FERTILIZER FEED SHAFT SPEED in Preparing The Machine section.

Quantity drilled has not been checked.

See PERFORMING ACCURATE RATE CHECKS in Preparing The Machine section.

Fertilizer density other than 1041 kg/m 3 (65 lb per cu. ft).

Set fertilizer rate for correct density. See USING DENSITY METER and FERTILIZER RATE CHARTS in Preparing The Machine section.

Feed wheel installed incorrectly.

Install correctly. See REPLACING FERTILIZER FEED WHEELS in Service section.

Flow of Fertilizer Stops.

Broken shear pin.

Install new shear pin.

Fertilizer Spills Out of Feeds.

Baffles installed incorrectly.

Install baffles correctly. See CLEANING FERTILIZER BOX in the Storage section.

Acremeter Tallying Incorrectly.

Double tracking, or leaving too wide a space between rows on each trip across field.

Drive carefully; leave same space between seeded strip as the furrow opener spacing on the drill.

Plot of land contains more or less land than assumed.

Measure land.

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