John Deere 6120 6220 6320 6420 6120L 6220L 6320L 6420L 6520L Tractor Repair Service Manual TM4647 PDF - MJODTM4647.zip
Full Service and Repair Workshop Guide for John Deere 2WD or MFWD Tractors 6120, 6220, 6320, 6420, 6120L, 6220L, 6320L, 6420L & 6520L (North America), containing every piece of workshop data needed to keep up, service, and fix these machines just like expert technicians would.
The John Deere Tractor 6120, 6220, 6320, 6420, 6120L, 6220L, 6320L, 6420L, 6520L technical service manual (repair) 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.
tm4647 - 6120 to 6420 Tractors Technical Manual - Repair.pdf
Total Pages: 2,503 pages
File Format: PDF bookmarked, ToC, Searchable, Printable)
Language: English etc.
For complete service information also see:
6120 to 6420 and 6120L to 6520L Tractors Operation and Tests . . TM4646
6120 to 6420 and 6120L to 6520L Tractors Diagnostics . .TM4733
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 4) . .CTM170
Electronic Fuel Injection Systems (Level 1) . .CTM284
Electronic Fuel Injection Systems (Level 11). .CTM220
Electronic Fuel Injection Systems (Level 12). .CTM331
Alternators and Starting Motors . .CTM77
Foreword
This “Repair” manual is valid for the following tractor types:
6120, 6220, 6320 and 6420
6120L, 6220L, 6320L, 6420L, 6520L
MAIN SECTIONS
Foreword
Version Date
SAFETY
Safety Measures
GENERAL INFORMATION
Specifications
Tune-Up
Predelivery Inspection
ENGINE
Installing and Removing Components
FUEL, AIR INTAKE, COOLING AND EXHAUST SYSTEMS
Speed Control
Fuel System
Air Intake System
Cooling System
Cold-Weather Starting Aid
Exhaust System
ELECTRICAL SYSTEM
Connectors
Wiring Harnesses
Charging Circuit
Starter Motor Circuit
Fuses, Relays and Switches
Monitoring Systems
Electrical Components
SYNCROPLUS TRANSMISSION
Installing and Removing Components
Transmission Shift Controls
Perma Clutch II Module
Gear Transmission
POWER REVERSER TRANSMISSION
Installing and Removing Components
Transmission Shift Controls
Power Reverser Module
Gear Transmission
AUTOPOWR/IVT TRANSMISSION
Installing and Removing Components
Transmission Shift Controls
Input Housing
Output Housing
Differential Drive Shaft Assembly
POWRQUAD, POWRQUAD PLUS AND AUTOQUAD TRANSMISSIONS
Installing and Removing Components
Transmission Shift Controls
PowrQuad Module
Creeper Transmission
Option Transmission
Range Transmission
DRIVE SYSTEMS
Installing and Removing Components
U-Jointed Shafts and Torsion Damper
Front-Wheel Drive Clutch
Differential
Hydraulic Pump Drive
Final Drives
Rear PTO
Front PTO
Front Implement Drive
STEERING AND BRAKES
Hydrostatic Steering
Steering Cylinder
Brake Valve
Rear Brakes
AutoTrac
Hydraulic System
Controls
Hydraulic Pump and Charge Oil Pump
Valves
Rockshaft
Selective Control Valves and Couplers
Independent Control Valve (ICV)
MISCELLANEOUS
Installing and Removing 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
OPERATOR'S CAB
Installing and Removing Components
Controls and Instruments
Air Conditioning System
ClimaTrak
Heating System
Seats
Operator's Cab
Low-Clearance Cab
Cab Suspension
Special Tools (Dealer-Fabricated)
Special Tools (Dealer-Fabricated)
Special Tools (available from the dealer)
tm4647 - 6120 to 6420 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
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
References, Specifications
Engine Specifications
Cooling System
Injection pump (Lucas)
Injection pump (Bosch VP44)
Electronic Fuel System (Denso Injection Pump; TIER II Engines)
Electronic Fuel System (Stanadyne Injection Pump; TIER II Engines)
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
Parking Lock
Hydraulic System with Axial Piston 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
Summary of 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
Checking the Operation of the Fuel Transfer Pump
Checking the Fuel Filter
Checking the Fuel Filter (Denso/Stanadyne Injection Pump; TIER II Engines)
Bleeding the Fuel System
Bleeding the Fuel System (Stanadyne Injection Pump; TIER II Engines)
Bleeding the Fuel System (Denso Injection Pump; TIER II Engines)
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
Checking 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: Installing and Removing Components
Specifications
Removing the Engine
Installing the Engine
Section 30: FUEL, AIR INTAKE, COOLING AND EXHAUST SYSTEMS
Group 05: Speed Control
Summary of References (Speed Control)
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 Open Operator's Station
Accelerator Pedal, with Mechanical Speed Control
Accelerator Pedal, With Electronic Speed Control (”Cruise Control”)
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
Summary of References (Fuel System)
General Information
Special Tool (Dealer-Fabricated)
Removing the Fuel Tank
Installing the Fuel Tank
Replacing the Fuel Gauge Sending Unit
Changing 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
Installing Fuel System Check Valve (Denso/Stanadyne Injection Pump; TIER II Engines)
Group 15: Air Intake System
Air Intake System (Summary of References)
General Information
Air filter - Exploded view
Replacing the Sending Unit for Air Cleaner Restriction (B02)
Group 20: Cooling System
Cooling System (Summary of References)
General Information
Specifications
Removing and Installing the Ring-Shaped Cooler
Remove the Radiator