John Deere 251 and 1550 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 SLIP 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
Instalation
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)