|
Plugged air hoses or manifolds.
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Air volume too low.
|
Increase fan speed.
|
|
|
Ground speed too fast.
|
Reduce ground speed or meter rate.
|
|
|
Foreign material blocking air system.
|
Clean air system hoses and manifold openings.
|
|
|
Unbalanced air flow (Double-Shoot System).
|
Adjust damper position.
|
|
|
Secondary hoses routed flat or uphill.
|
Reroute hoses correctly.
|
|
|
Non-compatible fertilizers.
|
Do not mix Urea with Ammonium Nitrate fertilizer.
|
|
|
High humidity.
|
Use moisture resistant fertilizer or wait for drier conditions.
|
|
|
Leaking air manifold.
|
Inspect wedge seals for tight fit.
Caulk manifold pieces together.
|
| Symptom |
Problem |
Solution |
|
Uneven product distribution between runs.
|
Air leak between manifold and meter.
|
Check manifold to meter seal.
|
|
|
Product level too low for accurate metering.
|
Do not run tank empty; refill sooner.
|
|
|
Air volume too low.
|
Increase fan speed.
|
|
|
Meter tuning rings not installed, or wrong number installed.
|
Install correct number of tuning rings for secondary header ports.
|
|
|
Blockage in air lines or manifolds.
|
Clean air system and manifold openings.
|
|
|
Improper assembly of header ring.
|
Reassemble correctly.
|
|
|
Manifold slide not fully positioned in top-shoot or bottom-shoot position
|
Check for foreign material in slide path, manifold passages, and slide openings.
|
|
|
Variation in secondary hose lengths or routings.
|
Trim hoses to uniform lengths and re-route correctly.
|
|
|
Unbalanced air flow (Double-Shoot System).
|
Adjust damper position.
|
|
|
Tank not pressurized.
|
Inspect lid seal for leaks.
Clean manifold screens.
Clean tank pressurization hoses.
Clean manifold end caps and/or air control valves
|
|
Plugged seed boots.
|
Backing or turning with seeding tool in ground.
|
Raise seeding tool before backing or turning.
|
|
Seed damage.
|
Air volume too high.
|
Reduce fan speed.
|
|
|
Old, dry seeds.
|
Use fresh seeds.
|