John Deere 6068 PowerTech Diesel Engine Workshop Repair Service Manual CTM104719 Tier 4 Stage IIIB PDF - MJODCTM104719.zip
A full workshop guide featuring complete electrical wiring schematics for the John Deere 6068 diesel engine, packed with every technical detail needed to keep up, troubleshoot, fix, and overhaul it the way a seasoned professional would.
Inside the John Deere 6068 diesel engine service and repair manual you'll find:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
PRODUCT DETAILS:
Total Pages: 5,044 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Category: CTM
Language: Spanish Chinese French Hungarian English Italian Portuguese Norwegian Estonian Finnish Latvian-lettish German Greek Icelandic Slovenian Turkish
Published on 2019/11/25
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Table of Contents
Foreword
6068 PowerTech™ Engine Above 130 kW (174 hp) — Interim Tier 4/Stage III B
Related Manuals
Training Information
Definition of Terms
Section 01: General Information
Group 000: Safety
Understand Signal Words
Avoid Heating Near Pressurized Fluid Lines
Avoid High-Pressure Fluids
Avoid Hot Exhaust
Avoid Static Electricity Risk When Refueling
Construct Dealer-Made Tools Safely
Decommissioning — Proper Recycling and Disposal of Fluids and Components
Exhaust Filter Cleaning
Follow Safety Instructions
Handle Fluids Safely—Avoid Fires
Handling Batteries Safely
Illuminate Work Area Safely
Install All Guards
Live With Safety
Practice Safe Maintenance
Precautions for Welding
Prepare for Emergencies
Prevent Acid Burns
Prevent Battery Explosions
Prevent Machine Runaway
Protect Against High Pressure Spray
Protect Against Noise
Recognize Safety Information
Remove Paint Before Welding or Heating
Replace Safety Signs
Service Cooling System Safely
Service Machines Safely
Stay Clear of Rotating Drivelines
Support Machine Properly
Use Proper Lifting Equipment
Use Proper Tools
Wait Before Opening High-Pressure Fuel System
Wear Protective Clothing
Work in Clean Area
Work In Ventilated Area
Group 001: Engine Identification Information
Commercial Engine Designation
Emissions Control System Certification Label
Engine Identification Plate Information
Information Relative to Emissions Regulations
OEM Engine Option Code Label
Group 002: Fuels, Lubricants, and Coolants
Diesel Fuel
Supplemental Diesel Fuel Additives
Handling and Storing Diesel Fuel
Lubricity of Diesel Fuel
Testing Diesel Fuel
Biodiesel Fuel
Fuel Filters
Minimizing the Effect of Cold Weather on Diesel Engines
John Deere Break-In Plus™ Engine Oil — Interim Tier 4, Final Tier 4, Stage IIIB, Stage IV, and Stage V
Diesel Engine Oil — Interim Tier 4, Final Tier 4, Stage IIIB, Stage IV, and Stage V
Diesel Engine Oil and Filter Service Intervals — Interim Tier 4, Final Tier 4, Stage IIIB, Stage IV, and Stage V— OEM Applications
Engine Oil and Filter Service Intervals
Oil Filters
Lubricant Storage
Mixing of Lubricants
Alternative and Synthetic Lubricants
Diesel Engine Coolant (engine with wet sleeve cylinder liners)
Water Quality for Mixing with Coolant Concentrate
Operating in Warm Temperature Climates
Testing Coolant Freeze Point
Disposing of Coolant
Section 02: Repair and Adjustments
Group 010: Engine Rebuild
Check Air Intake System
Check and Service Cooling System
Check Crankcase Vent System
Check Electrical System
Check Exhaust System
Clean Engine
Disconnect Turbocharger Oil Supply Line
Engine Break-In Guidelines
Engine Overhaul Guidelines
General Tune-Up Recommendations
Engine Repair Stand
Install JT07268 Engine Mounting Adapter to D05223ST Repair Stand
Install JDG11853 Engine Mounting Adapter to D05223ST Repair Stand
Lifting Procedure
Install JT07268 Engine Mounting Adapter to Engine
Install JDG11853 Engine Mounting Adapter to Engine
Perform Engine Break-In
Safety Precautions
Group 020: Cylinder Head and Valves Repair and Adjustments
Cylinder Block Top Deck — Cleaning and Inspection
Cylinder Head — Cleaning and Inspection
Cylinder Head — Flatness Check
Cylinder Head — Installation
Cylinder Head — Removal
Cylinder Head — Thickness Measurement
Cylinder Head Gasket — Inspection
Fuel Injector Sleeves — Cleaning and Inspection
Fuel Injector Sleeves — Installation
Fuel Injector Sleeves — Removal
Glow Plug — Installation
Glow Plug — Removal
Glow Plug Bore — Cleaning and Inspection
OCV Pressure Relief Valve — Maintenance
Push Rod — Cleaning and Inspection
Rocker Arm Carrier — Inspection
Rocker Arm Cover — Inspection
Rocker Arm Cover — Installation
Rocker Arm Cover — Removal
Rocker Arm Cover Vent Hose — Inspection
Rocker Arm Shaft — Tear Down
Rocker Arm Shaft Assembly — Inspect and Assemble
Rocker Arm Shaft Carrier Assembly — Installation
Valve — Assembly Removal
Valve — Cleaning and Inspection
Valve — Clearance Adjustment
Valve — Grinding
Valve — Lift Check
Valve — Measurement
Valve — Recess Measurement
Valve Assembly — Reassemble
Valve Guides — Cleaning
Valve Guides — Installation
Valve Guide — Measurement
Valve Guides — Removal
Valve Retainer, Valve Bridges, and Valve Retainer Locks — Inspection
Valve Seat — Cleaning and Inspection
Valve Seat — Grinding
Valve Seat — Measurements
Valve Seat Inserts — Installation
Valve Seat Inserts — Removal
Valve Springs — Inspection
Valve Springs — Measurement
Group 030: Cylinder Block, Liners, Pistons and Rods
Complete Final Assembly
Connecting Rod — Center-to-Center Bore Measurement
Connecting Rod — General Information
Connecting Rod and Cap — Inspection
Connecting Rod Bearing — Inspection and Measurement
Connecting Rod Bearing — Inspection and Measurement (Rod and Crankshaft in Engine)
Connecting Rod Cap Screw — Torque Procedure
Connecting Rod Pin Bore — Cleaning and Inspection
Cylinder Block — Cleaning and Inspection
Cylinder Block — Tear Down
Cylinder Block Components — Measurement
Cylinder Block O-ring — Installation
Cylinder Block, Piston, and Rod — Troubleshooting Guide
Cylinder Liner — Cleaning
Cylinder Liner — Flange Measurement
Cylinder Liner — Installation
Cylinder Liner — Removal
Cylinder Liner — Standout Measurement
Cylinder Liner — Visual Inspection
Cylinder Liner O-ring Bore — Cleaning
Cylinder Liner Packing — Installation
Piston — Cleaning
Piston — Visual Inspection
Piston and Connecting Rod Assembly — Installation
Piston and Connecting Rod Assembly — Removal
Piston and Connecting Rod Assembly — Re-assemble
Piston and Connecting Rod Assembly — Tear Down
Piston Cooling Orifice — Cleaning and Inspection
Piston Cooling Orifice — Installation
Piston Cooling Orifice — Removal
Piston Height — Measurement
Piston Pin and Bore — Inspection
Piston Pin and Bushing — Inspection
Piston Pin Bushing — Installation
Piston Pin Bushing — Removal
Piston Protrusion — Measurement
Piston Rings — Installation
Piston Skirt — Measurement
Piston to Liner — Clearance Check
Group 040: Crankshaft, Main Bearings and Flywheel
Check Main Bearing Oil Clearance
Crankshaft — End Play Check
Crankshaft — Grinding Specs
Crankshaft — Inspection
Crankshaft — Installation
Crankshaft — Removal
Crankshaft Front Oil Seal — Installation
Crankshaft Front Oil Seal — Removal
Crankshaft Gear — Installation
Crankshaft Gear — Removal
Crankshaft Grinding — Guidelines
Crankshaft Journals and Bearing Assembly — Measurement
Crankshaft Main Bearing Caps — Installation
Crankshaft Main Bearing Cap — Line Bore Specs
Crankshaft Main Bearing Caps — Removal
Crankshaft Rear Oil Seal — Installation
Crankshaft Rear Oil Seal — Removal
Crankshaft Thrust Bearing — Inspection
Crankshaft Timing Wheel — Installation
Crankshaft Timing Wheel — Removal
Crankshaft Vibration Damper — Inspection
Crankshaft Vibration Damper — Installation
Crankshaft Vibration Damper — Removal
Crankshaft Viscous Damper — Installation
Crankshaft Viscous Damper — Removal
Flywheel — Inspection
Flywheel — Installation
Flywheel — Removal
Flywheel Face — Flatness Check
Flywheel Housing — Installation
Flywheel Housing — Removal
Flywheel Pilot Bearing Bore — Concentricity Check
Flywheel Ring Gear — Installation
Flywheel Ring Gear — Removal
Crankshaft Journals and Bearing Assembly — Measurement
Open Crankcase Ventilation System — Inspection
Open Crankcase Ventilation System — Installation
Open Crankcase Ventilation System — Removal
Group 050: Camshaft and Timing Gear Train Repair and Adjustment
Camshaft — Installation
Camshaft — Removal
Camshaft — Visual Inspection
Camshaft and Upper Idler Gear — Timing
Camshaft Bushing — Replacement
Camshaft Follower — Inspection and Measurement
Camshaft Gear — Inspection
Camshaft Gear-Driven Auxiliary Drive — Replacement
Camshaft Journals — Measurement
Camshaft Lobes — Height Measurement
Camshaft Thrust Plate — Measure Clearance and Thickness
Front Plate — Installation
Front Plate — Removal
Idler Gears — Measure End Play
Lower Idler Gear — Check and Replace Components
Lower Idler Gear — Installation
Timing Gear Cover — Installation
Timing Gear Cover — Removal
Timing Gears — Check Backlash
Upper Idler Gear — Check and Replace Components
Group 060: Lubrication System Repair and Adjustment
Dipstick Tube and Dipstick — Inspection
Dipstick Tube and Dipstick — Installation
Dipstick Tube and Dipstick — Removal
Oil Cooler and Filter — Installation
Oil Cooler and Filter — Removal and Inspection
Oil Fill Adapter — Installation
Oil Fill Adapter — Removal
Oil Filter Bypass Valve — Installation
Oil Filter Bypass Valve — Removal
Oil Pan — Installation
Oil Pan — Removal
Oil Pressure Regulating Valve — Installation
Oil Pressure Regulating Valve — Removal and Inspection
Oil Pump and Tubes — Installation
Oil Pump and Tubes — Removal
Oil Pump Drive Gear to Crank Gear — Backlash Check (Pump Installed)
Group 070: Cooling System Repair and Adjustment
Belt — Wear Check
Belt Tensioner — Installation
Belt Tensioner — Removal
Belt Tensioner — Spring Tension Check
Coolant Heater — Servicing
Coolant Pump — Visual Inspection
Coolant Pump Assembly — Installation
Coolant Pump Assembly — Removal
Coolant Pump Inlet Elbow — Installation
Coolant Pump Inlet Elbow — Removal
Cooling System — De-aeration
Fan (Fixed Speed Fan) — Inspection and Installation
Fan (Fixed Speed Fan) — Removal
Fan (Variable Speed Fan) — Inspection and Installation