GREAT PLAINS Yield-Pro Air-Pro YP2425A, Operator'S Manual

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Great Plains | 401-626M | 2019-06-11 Table of Contents Index 96
YP2425A Table of Contents Index Troubleshooting
Press wheel or
row-units
plugging
Planting conditions too wet. Wait until drier weather.
Too much pressure on row-units. Reduce down pressure on row-units.
Coulters set too deep, bring up excess
dirt and moisture.
Check coulter adjustment.
Planter not set to run level from front to
rear.
Check tongue height page 22
Backed up with planter in the ground. Clean out and check for damage.
Failed disc bearings. Replace disc bearings.
Disc blades worn. Replace disc blades.
Scraper worn or damaged. Side depth
wheels not set correctly.
Adjust side depth wheels page.
Row-unit discs
not turning
freely
Row-unit plugged with dirt. Clean row-unit.
Planting conditions too wet. Wait until drier weather.
Incorrect side depth wheel adjustment See “ Side Gauge Wheel Adjustment ” on page 77.
Seed-Lok
®
is plugging row-unit. Lock up Seed-Lok
®
, page 86.
Failed disc bearings. Replace disc bearings.
Bent or twisted row-unit frame. Replace row-unit frame.
Partially plugged row-unit seed tube. Lift up planter, expose bottom of seed tube and clean out.
Press wheels
not
compacting
the soil as
desired.
Incorrect spring handle setting See “ Press Wheel Adjustment ” on page 86.
Insufficient row unit down-force See “ Row Unit Down Pressure ” on page 71.
Use of incorrectly shaped tire for your
conditions.
Wedge shaped wheels work best on narrow spacings and in wet
conditions. Round edge wheels work best in wider row spacings
and drier conditions.
Not level front to rear. Check tongue height.
Wheel stagger needs adjustment for
conditions
See “ Press Wheel Adjustment ” on page 86.
Too wet or cloddy Wait until drier weather or rework ground.
Seed blowing
out of bulk box
door area
Fan too fast. Slow down fan.
Seal from airbox to hopper damaged or
not adjusted.
Inspect and adjust seal. Seal should be intact, and compress to
about
3
/
8
in. (13mm) under seed container.
Air lines
plugging
between air
box and Y
splitters
Fan too slow. Speed up fan.
Air leaks between air box manifold and
splitters
Check for leaks and correct as needed.
Improper hose routing, sags or kinks
With planter unfolded, hoses should for a gentle “S” shape through
the holders, with no deep sags.
Air lines
plugging
between Y-tube
and meter
Sag or kink in air hose.
Check air tube placement in tube mount weldment. If correct,
shorten any hose that has stretched due to age.
Meter is shut off but Y-tube is open. Shut off Y-tube.
Air tube assembly not positioned on
correct tab.
Move assembly to properly position Y-tubes over row meters.
Sag in air hose due to incorrect frame
height
Raise or lower the tongue so center portion of frame is level with
gauge wheel area.
Problem Cause Solution