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YP625PD
Troubleshooting
71
06/12/2019
401-754M
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Dry Fertilizer Troubleshooting
Problem
Cause
Solution
No Fertilizer
Flow, All Rows
Hopper empty
Check / refill hopper.
Chain missing at one or more drive
stages
Check all five chains from ground drive to hoppers. See “
No Fertilizer
Flow, Some
Rows
Hopper plugged
Clean out any material clogging discharge port. See “
Shaft disconnected
Check couplers along final drive shaft.
No Fertilizer
Flow, One Row
Applicator tube plugged with soil
Disconnect hose at top of applicator tube. Remove blockage from
below. Raise release height (page 44).
Applicator tube plugged with fertilizer.
Disconnect hose at top of applicator tube. Remove blockage from
below. Use finer grained fertilizer, or dry out the fertilizer if
coagulation is the problem.
Low Flow
Incorrect Transmission sprockets
Re-check Seed and Fertilizer Rate manual (401-754B). Exchange
DRIVING and DRIVEN sprockets as needed.
Field speed too high for Transmission
sprockets selected
Apply at a lower speed, or use a new sprocket pair for the actual
rate and speed. Metering (kg per revolution) is lower at high
speeds.
Ground drive wheel slipping
Check lowered tool bar height (page 16). Operate at a lower field
speed. Field conditions may be too wet for reliable meter drive.
Meter flutes worn
Inspect meter flutes (page 24). Replace as needed.
High Flow
Incorrect Transmission sprockets
Re-check Seed and Fertilizer Rate manual (401-754B). Exchange
DRIVING and DRIVEN sprockets as needed.
Field speed too low for Transmission
sprockets selected
Apply at a higher speed, or use a new sprocket pair for the actual
rate and speed. Metering (kg per revolution) is higher at low
speeds.
Fertilizer on
Surface
Release height too high
Lower release height (page 44).
Coulter depth too shallow
Increase coulter depth (page 43).