John Deere PowerTech 10.5L, 12.5L Diesel Engines Lever 6 EFS With Lucas EUIs CTM188 PDF

For complete service information also see:
John Deere PowerTech 10.5L, 12.5L Diesel Engines CTM100
John Deere Alternators and Starter Motors CTM77
John Deere OEM Engine Accessories CTM67

This PDF Component Technical Manual (CTM188) covers the dual-rail and single rail fuel systems on 10.5 L and 12.5 L engines with John Deere Level 6 electronic fuel control.

This manual is divided into three parts: repair, the theory of operation, and diagnostics. Repair procedures are provided for the fuel system and electrical engine control system. The theory of operation section contains information that explains how these engine subsystems operate. The diagnostics section helps identify the cause of engine problems.

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Document Part Number: CTM188

Models covered:
JD PowerTech 10.5L, 12.5L Diesel Engines Level 6 Electronic Fuel Systems With Lucas EUIs

CONTENTS:
SECTION 01—General Information
Group 000—Safety
Group 001—Engine Identification
Group 002—Fuels
SECTION 02—Repair and Adjustments
Group 090—Dual Rail Fuel System Repair and Adjustment
Group 091—Single Rail Fuel System Repair and Adjustment
Group 110—Electrical Engine Control Repair and Adjustment
SECTION 03—Theory of Operation
Group 130—Electronic Fuel System Operation
Group 140—Electrical Control System Operation
SECTION 04—Diagnostics
Group 150—Observable Diagnostics and Tests
Group 160—Trouble Code Diagnostics and Tests
SECTION 05—Tools
Group 170—Repair Tools
Group 180—Diagnostic Service Tools
SECTION 06—Specifications
Group 200—Repair Specifications
Group 210—Diagnostic Specifications