Great Plains YP925TD Operator Manual - Manual (Page 71)

Great Plains Manufacturing, Inc. Table of Contents Index Troubleshooting 67
02/23/2011 Table of Contents Index 401-755M
Seed Pool Troubleshooting
Figure 75
Rear Cross-Section of Air-Pro ® Meter in Normal and Row-Failed Conditions
29986
Normal: Filled Bridging: Inlet Shutter Bridging: Seed Hose Empty Hopper
Inlet is filled to seed box.
Seed move slowly down as
singulated by meter. A bridge at the shutter is
blocking flow.
Causes may include:
• oversize seed
• shutter setting too low
• oversize matter in seed
• excessive or sticky seed
treatment
Oversize matter in seed has
caused a bridge at the top of
the inlet.
Causes may include:
• oversize seed
• oversize matter in seed
• excessive or sticky seed
treatment
No seed arriving from box.
Causes may include:
• seed run-out
• slide gate closed
If hopper is empty, air
back-flow
is also
occurring, which can reduce
meter pressurization at
other rows
Actions: Actions: Actions: Actions:
No action required.
Continue Planting.
1. If shutter was at
suggested opening,
increase one notch.
2. Check seed pool for
foreign matter.
3. Resume planting.
1. Close shutter.
2. Tap on hose/tube
junction.
3. Check seed pool for
foreign matter.
4. Resume planting.
1. If row is active,
add seed or check slide
gate.
2. If row is inactive,
close shutter.
3. Resume planting.
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