John Deere Planter Monitoring System Repair Manual (TM1270)

FOREWORD
Live with safety: Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual.
This is the safety-alert symbol. When you see this symbol on the machine or in this manual, be alert to the potential for personal injury.
Technical manuals are divided in two parts: repair and diagnostics. Repair sections tell how to repair the components. Diagnostic sections help you identify the majority of routine failures quickly.
Information is organized in groups for the various components requiring service instruction. At the beginning of each group are summary listings of all applicable essential tools, service equipment and tools, other materials needed to do the job, service parts kits, specifications, wear tolerances, and torque values.
This manual is part of a total product support program.
FOS MANUALS—REFERENCE
TECHNICAL MANUALS—MACHINE SERVICE
COMPONENT MANUALS—COMPONENT SERVICE
Fundamentals of Service (FOS) Manuals cover basic theory of operation, fundamentals of troubleshooting, general maintenance, and basic type of failures and their causes. FOS Manuals are for training new personnel and for reference by experienced technicians.
Technical Manuals are concise guides for specific machines. Technical manuals are on-the-job guides containing only the vital information needed for diagnosis, analysis, testing, and repair.
Component Technical Manuals are concise service guides for specific components. Component technical manuals are written as stand-alone manuals covering multiple machine applications.