
YP4425A
iv
2018-07-30
401-805M
25 Series Row Unit Adjustments .....................................67
Row Unit Down Pressure .........................................68
Unit-Mount Row Cleaner Adjustments .....................70
Coulter Adjustments .................................................71
Row-Unit Opener Disc Adjustments.........................73
Side Gauge Wheel Adjustment ................................74
Seed Meter Setup and Adjustment ..........................76
Air-Pro
®
Meter Disc Installation................................78
Seed Firmer Adjustments.........................................80
Press Wheel Adjustment ..........................................81
Troubleshooting ...................................................................83
Planting Rate Problems...................................................83
Seed Pool Troubleshooting .............................................84
Seed Pool Recovery.................................................85
Population Troubleshooting Charts .................................86
Maintenance and Lubrication ..............................................94
Maintenance ....................................................................94
Material Clean-Out ..........................................................95
Air Box Clean-Out ....................................................95
Air System Clean-Out...............................................95
Meter Clean-Out.......................................................96
Meter Brush Maintenance ...............................................98
Meter Brush Replacement........................................99
Seed Disc Maintenance .........................................100
Air Box Residue Clean-Out ...........................................101
Hydraulic Maintenance ..................................................102
Hydraulic Drive Maintenance .................................102
Bleeding Hydraulics.......................................................103
Marker Maintenance......................................................105
Wing Leveling ................................................................106
Chain Maintenance........................................................109
Meter Drive Chain ..................................................109
Spreaders and Scrapers ...............................................110
Row-Unit Side Wheels ..................................................110
Seed Flap Replacement................................................111
Fertilizer System Maintenance ......................................112
Liquid Fertilizer Strainer .........................................112
Lubrication.....................................................................113
Seed Lubricants ............................................................123
Options ................................................................................124
Hydraulic Tongue ..........................................................124
Markers .........................................................................125
Fertilizer Systems..........................................................126
Pintle Trailer Hitch Weldment........................................130
82 or 150 Bu. Seed Hopper...........................................131
Rigid Row Cleaners ...............................................133
Unit-Mounted Disc Coulters ...................................134
Gauge Wheel Scrapers..........................................134
Inside Disc Scrapers ..............................................135
Clean-Out Container ..............................................136
Seed Tube Brush ...................................................136
Seed Firmers..........................................................136
Row Unit Press Wheels .........................................136
Appendix A - Reference Information ................................137
Specifications and Capacities .......................................137
Tire Information .............................................................137
Torque Values Chart .....................................................138
Hydraulic Diagrams .......................................................139
Chain Routing................................................................146
Seed Hose Routing .......................................................150
Appendix B - Initial and Option Setup ..............................152
Pre-Delivery Items.........................................................152
Initial Setup....................................................................153
Marker Extension ...................................................154
Hopper Level Sensor Installation ...........................155
Radar Calibration ...................................................155
Appendix C - Option Installation.......................................156