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Planter maintenance series
Part 3: Row unit
In part three of our planter maintenance series, we’ll inspect the row unit.
- Check the distance between the opener disks at the closest point. Distance between the openers should be shimmed to 0 – 3.1 mm (0 – 1/8 in).
- Replace the firming point when it no longer conforms to the shape of the firming point tool (firming point gauge part number: 1958225C4)
- When servicing ground-engaging components, use care to avoid injury on parts worn sharp by contact with the soil.
- Replace opener disks when they are worn to a 13 ½-inch diameter.
- Inspect disk scrapers. Scrapers are not adjustable, and should be replaced when they are no longer able to keep disks clean in your soil and planting conditions.
- Disks and firming points should be replaced in sets to maintain an even depth and soil contact characteristics, and to promote even wear patterns.
- Check each side of the seed shoe for wear. Replace the seed shoe if a notch is worn in the bottom of either side of the seed shoe.
- Drain accumulated condensate water from the Pneumatic Down Pressure system
- Check the system pressure gauge, Schrader valve, three-way valve(s), threaded fittings, tubing press fittings and pneumatic springs on row units in the event of leakage
- On planters with hydraulically driven seed meters, check ground speed sensors on the wheels for debris or missing teeth.
- Sensor “sprockets” should operate a consistent distance from the sensor of 0.040-0.160 inches while the wheel is turned. Make sure speed sensor harnesses are properly routed and secured.
For row unit video inspection tips, watch the videos below.
For planter inspection video tips, click here.
For planter parts and kits, click here.