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Section 7: Troubleshooting
PS25120 Primary Seeder 313-156M
4/03/14
Section 7: Troubleshooting
PS25120 Troubleshooting Chart
Problem
Solution
Uneven seed spacing or uneven stand
Check for plugging in feed cup
Check to see if seed tubes are plugged
Check for plugging in seed broadcasting channel
Reduce ground speed
Check for trash or mud build up on rollers
Actual seeding rate is different than
desired
Seed treatment will affect seeding rate if the chemicals build up in feed cup.
Unless cleaned regularly, this build up can cause breakage of the feeder cup
shaft.
Check speed change sprocket
See manual for instructions on calculating seed rate
Acremeter doesn’t measure accurately
Check planting operation for excessive overlap or gaps between passes
Loose soil conditions and slippage of front roller will cause variations in acres
registered
Raising and lowering seeder is rough or
uneven on front or end wheel seeders
Lubricate wheel arm pivot shaft
Check hydraulic fittings for leaks. Refer to
Rephasing cylinders not properly bled. Refer to
When raising seeder, the cylinders should be fully extended to ensure that they
are always rephased.
Feed cup sprocket locked up or twisted
seed cup drive shaft
Check for foreign matter lodged in feed cup sprocket
Rollers not turning freely
Check for trash or mud build up on roller ends