John Deere 1550 and 251 Powr-Till Seeders Technical Manual (TM1201)

Table of Contents:
   INTRODUCTION
   SAFETY AND YOU
   GENERAL INFORMATION
      Description
      Lubrication
   DIAGNOSING MALFUNCTIONS AND TESTING .
      Organizing the Diagnosis
      Diagnosing
   POWERSHAFT
      General Information
      Removal and Installation
      Disassembly
      Inspection and Repair
      Assembly
   GEAR CASE AND SUP CLUTCHES
      General Information
      Test Equipment, Special Tools and Materials .
      Gear Case Removal (1550)
      Gear Case Removal (251)
      Gear Case Installation
      Adjustments
      Gear Case Disassembly
      Gear Case Inspection
      Gear Case Assembly
      Slip Clutch Repair (1550)
      Slip Clutch Repair (251)
   CUTTER WHEEL UNITS
      General Information
      Removal
      Disassembly
      Assembly
      Installation
      Adjustments
   END WHEEL DRIVE
      General Information
      Disassembly (1550)
      Assembly ( 1550)
      Installation (1550)
      Disassembly (251)
      Assembly (251)
      Installation (251)
   FEED SHAFT DRIVES
      Drive Shaft Replacement
      Feed Shaft Bearing Replacement
      Removing Grain Shifter
      Grain Feed Cups
      Grass Cups ( Grass Attachment)
   GRAIN AGITATOR
      Disassembly and Repair
      Assembly
   ROCKSHAFT AND BEARINGS (251)
   SPECIFICATIONS
      Specifications
      Torque Values for Hardware