Single-Disk Fertilizer Opener MaintenanceThe anti-friction bearing has a face-type seal. The contact of the seal against a machined surface retains grease and excludes dirt. Unless the bearing is in proper adjustment, the seal is ineffective. If there is any looseness in the bearing, remove wheel (D) and axle by removing shear bolt (E). Loosen set screw (C) and remove nut (B). Disassemble opener and clean and repack bearings with John Deere Multi-Purpose Lubricant or an equivalent SAE multipurpose-type grease. Tighten nut (B) until the proper seal drag is achieved. NOTE: During re-assembly, tighten nut (B) until 1.6-2.8 N·m (14-25 lb-in) of torque is required to rotate the bearing housing and blade assembly (A). This drag assures positive sealing. Be sure to retighten set screw (C) when adjustment is complete. These anti-friction bearings are packed with grease at the factory. After the first 10 hours inspect the bearing and adjust if necessary. Every 100 hours, inspect the bearing and adjust if necessary. Every 200 hours, or before each planting season, whichever comes first, disassemble the bearing, clean and repack it as outlined above. Do not use chassis lubricant in anti-friction bearings. Lubricate surface of pin (F) that engages the spindle to prevent rusting and to keep depth adjustment working freely. |
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720012FFOMSE,E8 -19-24FEB97-1/1 |