John Deere 6020 6120 6220 6320 6420 6420S 6520 6620 SE Tractors Workshop Repair Service Manual (TM4750) - MJODTM4750.zip

A full workshop service and repair manual covering John Deere 6020, 6120, 6220, 6320, 6420, 6520 and 6620 (S, SE) European-spec tractors in 2WD or MFWD configuration, packed with everything needed to keep up, fix and overhaul these machines to the same standard as dealership technicians.

The John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620 & SE Tractors workshop service repair manual contains:

* 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.

* 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.

TM4750 - John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620 & SE Tractors Technical Manual (Repair).pdf

TM4750 - John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620 & SE Tractors Technical Manual (Repair).epub

PRODUCT DETAILS:

Total Pages: 2,986 pages

File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)

Language: English

For complete service information also see:

6020 to 6920S Tractors and SE Tractors Operation and Tests TM4741

6020 to 6920S Tractors and SE Tractors Diagnostics TM4726

Front-Wheel Drive Axles (AS and MS Series) CTM4687

Front-Wheel Drive Axles (700 Series) CTM4820

POWERTECH Diesel Engines CTM104

Mechanical Fuel Injection Systems CTM207

Electronic Fuel Injection Systems Level 1 CTM284

Electronic Fuel Injection Systems Level 4 CTM170

Electronic Fuel Injection Systems Level 11 CTM220

Electronic Fuel Injection Systems Level 12 CTM331

Alternators and Starting Motors (available in English only) CTM77

MAIN SECTIONS

Foreword

Version date

Safety

Safety Measures

General Information

Specifications

Tune-Up

Predelivery Inspection

Engine

Removal and Installation of Components

FUEL, AIR INTAKE, COOLING AND EXHAUST SYSTEMS

Speed Control Linkage

Fuel System

Air Intake System

Cooling System

Cold-Weather Starting Aids

Exhaust System

Electrical System

Connectors

Wiring Harnesses

Charging Circuit

Starter Motor Circuit

Fuses, Relays and Switches

Monitoring Systems

Electrical Components

SyncroPlus Transmission

Removal and Installation of Components

Transmission Shift Controls

Perma Clutch II Module

Gear Transmission

Power Reverser Transmission

Removal and Installation of Components

Transmission Shift Controls

Power Reverser Module

Gear Transmission

AutoPowr/IVT Transmission

Component Removal and Installation

Transmission Shift Controls

Input Housing

Output Housing

Differential Drive Shaft Assembly

PowrQuad, PowrQuad Plus, AutoQuad and AutoQuad Plus Transmissions

Component Removal and Installation

Transmission Shift Controls

PowrQuad Module

Creeper Transmission

Option Transmission

Range Transmission

Power Train (without Transmission)

Removal and Installation of Components

U-Jointed Shafts and Torsion Damper

Front-Wheel Drive Clutch

Differential

Hydraulic Pump Drive

Final Drives

Rear PTO Options

Front PTO

Front Implement Drive

Steering and Brakes

Hydrostatic Steering

Steering Cylinders

Brake Valve

Rear Wheel Brakes

Handbrake

Hydraulic Trailer Brake

Air Brakes up to Serial No. 398655

Air Brakes from Serial No. 398656

AutoTrac

Hydraulic System

Controls

Hydraulic Pump and Charge Pump (PFC Hydraulic System)

Hydraulic Pump (PC Hydraulic System)

Valves

Rockshaft

Selective Control Valves and Couplers

Independent Control Valve (ICV)

Miscellaneous

Removal and Installation of Components

Main Frame

Front Axle

Front Wheels, Rear Wheels and Fenders

Trailer Mounting and Swinging Drawbar

Triple Link Suspension (TLS) of Front-Wheel Drive Axle

Pick-Up Hitch

Operators's Cab

Removal and Installation of Components

Controls and Instruments

Air Conditioning System

ClimaTrak

Heating System

Seats

Operators's Cab

Cab Suspension

Special Tools

Special Tools (Dealer-Fabricated)

Special Tools (available from the dealer)

tm4750 - 6020 to 6620 Tractors

Table of Contents

Foreword

Version date

Section 05: Safety

Group 05: Safety Measures

Recognize Safety Information

”Important” Information

”Note” Information

Prevent Machine Runaway

Handle Fluids Safely-Avoid Fires

Prevent Battery Explosions

Prepare for Emergencies

Prevent Acid Burns

Avoid High-Pressure Fluids

Service Cooling System Safely

Remove Paint Before Welding or Heating

Avoid Heating Near Pressurized Fluid Lines

Work In Ventilated Area

Wear Protective Clothing

Practice Safe Maintenance

Park Machine Safely

Use Proper Lifting Equipment

Construct Dealer-Made Tools Safely

Support Machine Properly

Work in Clean Area

Illuminate Work Area Safely

Service Machines Safely

Use Proper Tools

Service Tires Safely

Service Front-Wheel Drive Tractor Safely

Safety Information - Air Brake System

Avoid Eye Contact With Radar

Keep ROPS Installed Properly

Replace Safety Signs

Dispose of Waste Properly

Live With Safety

Safety Measures on Electronic Control Units

Section 10: General Information

Group 05: Specifications

Specifications (Summary of References)

Engine

Cooling System

Injection pump (Lucas)

Injection pump (Bosch VP44)

Level 11 Electronic Fuel System with HPCR (Denso)

Level 12 Electronic Fuel System With Stanadyne DE10 Pump

Air Intake System

Electrical System

Hydrostatic Steering System

AutoTrac

Clutch

AutoPowr/IVT transmission

PowrQuad and PowrQuad Plus Transmissions

AutoQuad Transmission

Power Reverser

SyncroPlus Transmission

Creeper transmission

Rear PTO

Front PTO

Differential assembly

Differential lock

Final drives

Front-Wheel Drive

FWD axle with TLS

Cab Suspension:

Hydraulic Brakes

Handbrake

Parking Lock

Hydraulic System with Axial Piston Pump

Hydraulic System with Gear-Driven Pump

Rockshaft

Front Hitch

Ground Speeds

Front and Rear Wheels

Dimensions and Weights

Capacities

Handling and Storing Diesel Fuel

Diesel Fuel

Lubricity of Diesel Fuel

Diesel Engine Break-In Oil

Diesel Engine Oil (Engine Serial Number up to 799999)

Diesel Engine Oil (Engine Serial Number from 800000)

Transmission and Hydraulic Oil

Front-Wheel Drive Axle Oil

Diesel Engine Coolant

Supplemental Coolant Additives

Grease

Oil Filters

Mixing of Lubricants

Lubricant Storage

Operating in Warm Temperature Climates

Alternative and Synthetic Lubricants

Unified Inch Bolt and Screw Torque Values

Metric Bolt and Screw Torque Values

Hydraulic system inch fitting torques

Hydraulic system metric fitting torques

Product Identification and Sub-Assembly Serial Numbers

Engine serial number

Transmission serial number

Front wheel drive axle serial number

Operator's cab serial number

Operator's seat serial number

Sub-assembly serial numbers

Group 10: Tune-Up

General References, Tune-Up

Specifications

Using High-Pressure Washers

Preliminary Engine Test

Tractor Tune-Up

Removing and Cleaning the Primary Air Cleaner Element

Checking the Air Cleaner Safety Element

Installing the Primary Filter Element

Checking the Air Intake System Connections for Leaks

Checking the Crankcase Vent Hose for Clogging

Cleaning the Radiator Grille Screen

Keeping the Radiator Screen Clean

Checking the Caps on the Expansion Tank

Checking the Radiator for Leaks

Checking the Engine Thermostat

Check Operation of Fuel Transfer Pump

Checking the Fuel Filter

Bleeding the fuel system (tractors NOT equipped with Bosch VP44 injection pump

Bleeding the fuel system (with Bosch VP44 injection pump)

Checking the fuel filter (with Bosch VP44 injection pump)

Checking the Fuel Filter (With Denso/Stanadyne Injection Pump; Stage II Engines according to 97/68/EC)

Clean the water trap

Run the Engine until it is Warm, and Check Engine Speeds

Check Setting of Fuel Injection Pump

Check setting of speed control linkage

Cleaning the Battery, Cables and Battery Box with a Clean Cloth

Check the Neutral Start Circuit

Check operation of starting motor

Checking the lighting circuit

Final Engine Check

Tractor Operation Check

Group 15: Predelivery Inspection

Predelivery Inspection

Section 20: Engine

Group 00: Removal and Installation of Components

Specifications

Removing the Engine

Installing the Engine

Section 30: FUEL, AIR INTAKE, COOLING AND EXHAUST SYSTEMS

Group 05: Speed Control Linkage

Speed Control Linkage (Summary of References)

General Information

Specifications

Adjusting the Hand Throttle Lever and Accelerator Pedal

Adjusting the Speed Control Linkage

Hand Throttle Lever-Exploded View

Accelerator Pedal On Tractors With Low Platform

Accelerator Pedal, with Mechanical Speed Control

Accelerator Pedal, With Electronic Speed Control (”Cruise Control”)

Adjusting the Accelerator Pedal (6420S)

Changing the Accelerator Pedal's Potentiometer

Replacing the Accelerator Pedal Assembly (AutoPowr/IVT)

Removing the Accelerator Pedal's Potentiometer

Removing the Hand Throttle's Potentiometer

Group 10: Fuel System

Fuel System (Summary of References)

General Information

Special Tool (Dealer-Fabricated)

Removing the Fuel Tank

Installing the Fuel Tank

Replacing the Fuel Gauge Sending Unit

Replace the Fuel Transfer Pump

Changing the Fuel Filter

Bleeding the Fuel System

Bleed the Air from the Fuel System (with Denso/Stanadyne Injection Pump)

Installing Check Valve in Fuel System

Install the Check Valve in the Fuel System (with Denso/Stanadyne injection pump; Stage II engines to 97/68/EC)

Group 15: Air Intake System

Air Intake System (Summary of References)

General Information

Air filter - Exploded view