6020, 6120, 6220, 6320, 6420 and 6420S Tractors
Copyright 2003 (c) Deere & Company. THIS DATA IS THE PROPERTY OF DEERE & COMPANY. ALL USE AND/OR REPRODUCTION NOT SPECIFICALLY AUTHORIZED BY DEERE & COMPANY IS PROHIBITED.
All information, illustrations and specifications in this manual are based on the latest information available at the time of publication. The right is reserved to make changes at any time without notice.
Vorwort
Section : 00 - Identification View
Identification Views
Section : 05 - Safety
Recognize Safety Information
Understand Signal Words
Follow Safety Instructions
Prevent Machine Runaway
Use Seat Belt Properly (If Equipped)
Work In Ventilated Area
Driving the Tractor Safely
Operating the Tractor Safely
Keep Riders Off Machine
Parking and Leaving the Tractor
Avoid Eye Contact With Radar
Handle Fuel Safely-Avoid Fires
Prepare for Emergencies
Wear Protective Clothing
Avoid Contact with Pesticides
Stay Clear of Rotating Drivelines
Use Safety Lights and Devices
Safely Transporting the Tractor
Tow Loads Safely
Freeing a Mired Machine
Practice Safe Maintenance
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Avoid High-Pressure Fluids
Avoid Opening High-Pressure Fuel System
Store Attachments Safely
Service Cooling System Safely
Retighten Wheel Nuts
Prevent Acid Burns
Support Machine Properly
Service Front-Wheel Drive Tractor Safely
Service Tires Safely
Dispose of Waste Properly
Special Features on Tractors with AutoPowr Drive Unit
AutoPowr - Operating on Hillsides in Slippy Conditions
Section : 10 - Safety Decals
Pictorial Safety Signs
Operator's Manual
Riders
Rockshaft Remote Control
Radar Sensor
Compressed Air Tank for Trailer Brake
Pick-Up Hitch
Keep Wheel Retaining Bolts Tight
Section : 15 - Controls and Instruments
Vehicle controls
PTO and Creeper Controls
Attachment Controls
Heater and Air-Conditioning Controls
Operating the Digital Display
Indicator Lights and Displays (Tractors without Operator's Cab) - Version I
Indicator Lights and Displays (Tractors without Operator's Cab) - Version II
Indicator Lights and Displays (Tractors with Operator's Cab)
Performance Monitor
Data Entry Mode
Operating Touch Pad Switches
Operation and Calibration
Wheel Slip (3)
Vehicle Speed (6)
Service (8)
Backlight Brightness-Cab Displays
Adjusting Backlight-Performance Monitor
Section : 20 - Lights
Lights (Tractors with Cab)
Lights (Tractors without Cab)
Xenon Worklights
H4 Farm Headlights
Light Switches (Tractors with Cab)
Light Switches (Tractors without Cab)
Operating the Hazard Warning Light Switch
Switches for Turn Signal Lights and Horn (Tractors with Cab)
Switches for Turn Signal Lights and Horn (Tractors without Cab)
Worklight Switches (Tractors with Cab)
Worklight Switches (Tractors without Cab)
Seven-Terminal Trailer Socket
Section : 25 - Open Operator's Station and Cab
Roll-Over Protective Structure
Operating the Foldable ROPS
Seat Belt
Avoid Contact with Pesticides
Clean Vehicle of Hazardous Pesticides
Comfort Seat
Super Comfort Seat
Air Comfort Seat
Opening Windows
Windshield Wiper and Washer System
Fan and Air Louvers
Heater
Air-Conditioning System
Tips On Using the Air-Conditioning System
Cooling a Drink Can
Storage Rack
Dome Light
Rear-View Mirror Control Switch (If Equipped)
Adjusting the Steering Wheel
Beacon Light
Adjusting the Height of Access Step
Cool Box
Installing the Monitor
Power Outlet Sockets
Multiple Power-Outlet Socket Strip
Cigarette Lighter and Ashtray
Section : 30 - Break-In Period
After the First 4 and 8 Hours of Operation
Within the First 100 Hours of Operation
After the First 100 Hours of Operation
Section : 35 - Prestarting Checks
Prestarting Checks
Section : 40 - Operating the Engine
Starting the Engine With a Slave Battery
Starting the Engine
Cold-Weather Starting Aids
Electrical Starting Aid
Coolant Heater
Starting With a Booster Battery
Fuel Preheater
Engine Warm-Up Period
Engines with Turbocharger
Special Features of the 6420S Tractor
Special Features on Tractors with Electronic Injection Pump
Towing the Tractor
Parking the Tractor (Tractors Without AutoPowr)
Parking the Tractor (Tractors With AutoPowr)
Stopping the Engine
Battery Cut-Off Switch (If Equipped)
Chock Block
Section : 45 - Operating the Tractor
Reduce Fuel Consumption
Select Correct Ground Travel Speed
Travel speeds, SyncroPlus Transmission (12/4)
Travel Speeds, Power Reverser Transmission (16/16)
Travel Speeds, Power Reverser Transmission (16/16)
Shifting SYNCROPLUS / Power Reverser
Shift Lever Positions
Travel Speeds, PowrQuad Transmission (16/16)
Travel Speeds, PowrQuad Transmission (16/16)
Travel Speeds, PowrQuad/PowrQuad PlusTransmission (24/24*)
Travel Speeds, PowrQuad Plus Transmission (24/24*)
Shifting the PowrQuad Transmission
Shift Lever Positions, PowrQuad Transmission
Shifting the PowrQuad Plus Transmission (Version I)
Shifting the PowrQuad Plus Transmission (Version II)
Shifting the AutoQuad II Transmission
Special Features on Tractors with AutoPowr Drive Unit
AutoPowr - Operating on Hillsides in Slippy Conditions
AutoPowr -Starting in Cold Weather
AutoPowr Operation
AutoPowr Come-Home Mode
Towing an AutoPowr-Equipped Tractor
Engaging Creeper Transmission
Engaging Front Wheel Drive
Tractors With TLS Front Axle
Engaging Differential Lock
Hydraulic Foot Brakes
Hydraulic Trailer Brakes
Air Brakes on Trailer
Section : 50 - Rockshaft and Three-Point Hitch
Rockshaft Control
Operation and Function of Headland Management System HMS II (If Equipped)
Rockshaft Remote Control
Height Adjustment
Transporting Mounted Implements
Hitch Dampening
Adjusting Rate of Implement Drop
Rate of Lift Adjustment
Depth Adjustment
Load/Depth Adjustment
1 Depth Control
2-4 Mixed Control
5 Load Control
Float Position
Direct Actuation
Three-Point Hitch
Flat Steel Draft Links
Telescopic Draft Links
Quick-Coupling (Hook-Type) Draft Links
Attaching Three-Point Hitch Mounted And Drawn Implements
Leveling the Implement
Center Link Adjustment
Center Link Positions
Lift Links
Adjusting for Vertical Float
Sway Blocks (If Equipped)
Stabilizer Chain (If Equipped)
Stabilizer Bar
Stabilizing System (If Equipped)
Adjusting Spreading Dimension
Section : 55 - Power Take-Off
PTO Guard
Operating Instructions
PTO Options
PTO Speeds
Front PTO
Operating Power Take-Offs
Operating the PTO by Remote Control
Reversing Rear PTO Shafts
Changing Speed of Shiftable Rear PTO
Attaching PTO-Driven Equipment
Section : 60 - Ballast
Selecting Ballast
Ballasting Rear Wheels
Measuring Rear Wheel Slip
Installing Weights on Flanged Axle
Installing Weights on Rack-and-Pinion Axle
Filling Tires With Liquid Ballast
Draining the Tires
Pre-Assembling the Pick-Up Weight
Attaching to Three-Point Hitch (Rear-End Attachment)
Attaching to Basic Weight
Attaching to Three-Point Hitch (Front-End Attachment)
With Weight in Three-Point Hitch
Installing Front Weights
Section : 65 - Wheel Tread, Tires
Use of Dual Wheels (easy-to-attach)
Adjustable Front Axle (Tractors Without Front Wheel Drive)
Adjusting Front Wheel Tread
Checking Front Wheel Toe-In
Adjusting Front Wheel Toe-In
Changing Wheels Safely
Front Wheel Tread Adjustment (Tractors With Front Wheel Drive)
New Tire Designations
Adjusting Front Wheel Tread with Reversible Wheel Rims
Adjusting Front Wheel Tread with Adjustable Rims (8-position)
Adjusting Front Wheel Tread with Adjustable Rims (16-position)
Limiting Front Wheel Steering Angle
Tighten Front Wheel Attaching Nuts
Check Front Wheel Toe-In
Adjusting Front Wheel Toe-In
Adjusting the Fender
Fender Positions
Rear Wheel Tread Adjustment with Flanged Axle (8-Position)
Position of Rims and Wheel Disks
Tread Widths
Rear Wheel Tread Adjustment with Flanged Axle (16-Position)
Position of Rims and Wheel Disks
Tread Widths
Adjusting Wheel Tread With Rack-And-Pinion Axle
Positions of Rims and Wheel Disks with Rack-and-Pinion Axle
Tread Widths with Standard Rack-and-Pinion Axle
Tire Pressures
Mounting Tires
Tire Combinations (up to 40 km/h; 25 mph)
Tire Combinations (up to 50 km/h; 31 mph)
Section : 70 - Additional Equipment
Selective Control Valves
Adjustment of Pressure Limit at Selective Control Valves (300 Series)
Levers for Mechanical Selective Control Valves
Levers for Electronic Selective Control Valves
Additional Functions of the Electronic Selective Control Valves
Multi-Function Lever (Electrical)
Rate of Cylinder Operation
Couplers
Hose Unions
Maximum Permissible Oil Withdrawal
Oil Withdrawal With Hydraulic Motor
Power Beyond Couplers
Pressure-Free Return Circuit
Additional Oil Reservoir
Power Beyond Application Valve
Remote Hydraulic Cylinder
Bleeding the Cylinder
Adjustable Drawbar
Lengthwise Adjustment of Drawbar
Tool Bar for 3-Point Hitch
Front Jaw Hitch
Swinging Trailer Hitch
Height-Adjustable Trailer Hitch
Remote Control (If Equipped)
Pick-Up Hitch
Lockable Tank Filler Cap
Section : 75 - Transport
Transporting the Tractor
Towing the Tractor
Manual Park Lock Release (Tractors with AutoPowr)
Driving on Public Roads
Section : 80 - Fuel, Lubricants, Hydraulic Oil and Coolant
Diesel Fuel
Handling and Storing 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
Grease
Oil Filters
Lubricant Storage
Mixing of Lubricants
Diesel Engine Coolant
Operating in Warm Temperature Climates
Alternative and Synthetic Lubricants
Section : 85 - Lubrication and Periodic Service
Using High Pressure Washers
Lubrication and Periodic Service
Opening the Hood
Access to Battery
Access to Fuses
Important Instructions Regarding Alternator
Daily or Every 10 Hours
After the First 100 Hours
Every 250 Hours
Every 500 Hours
Every 750 Hours
Once Every Year
Every 1000 Hours
Every 1500 Hours or Every Two Years
Every 2000 Hours
Every 3000 Hours or Every 3 Years
As Required
Every 10 Years
Every 10000 Hours
Section : 90 - Service / Daily or Every 10 Hours
Checking Engine Oil Level
Checking the Fuel Filter
Checking and Draining the Compressed Air Trailer Brake System
Checking on Lights
Other Service Jobs
Section : 95 - Service / Every 250 Hours
Servicing the Fuel Tank
Checking Transmission/Hydraulic System Oil Level
Checking Electrolyte Level of Battery
Lubricating Front Axle and Wheels (Tractors without Front-Wheel Drive)
Lubricating Front Axle and U.J. Shafts (Tractors with Front-Wheel Drive)
Checking Oil Level in MFWD Axle Housing
Checking Oil Level in MFWD Final Drives
Checking Brake Operation
Lubricating the Three-Point Hitch
Lubricate Hitch Jaw
Lubricating the Pick-Up Hitch
Pick-Up Hitch
Checking the Neutral Start Circuit
Wheel Retaining Bolts
Section : 100 - Service / Every 500 Hours
Changing Engine Oil
Changing Engine Oil Filter Element
Changing the Fuel Filter
Lubricating Rear Axle Bearings
Air Intake Hoses
Checking Engine Ground Connection
Section : 105 - Service / Every 750 Hours
Check Engine Speeds
Replacing Transmission/Hydraulic System Filter Elements
Changing the Filter on the Front PTO (If Equipped)
Changing Oil in Final Drives (Front-Wheel Drive Axle with Brake)
Section : 110 - Service / Once Every Year
Checking Seat Belt
Section : 115 - Service / Every 1500 Hours or 2 Years
Changing Oil in Front-Wheel Drive Axle and Final Drives
Changing Oil In Front-Wheel Drive Axle Housing
Changing Oil In Front-Wheel Drive Final Drives
Changing Transmission/Hydraulic Oil (Tractors with AutoPowr)
Changing Transmission/Hydraulic Oil (Tractors NOT Equipped with AutoPowr)
Changing the Oil at the Front PTO (If Equipped)
Section : 120 - Service / Every 3000 Hours or 3 Years
Changing Coolant
Section : 125 - Service / As Required
Air Cleaner
Cleaning the Primary Filter Element
Cleaning a Dusty Element
Secondary (Safety) Element
Installation
Cleaning the Cab Air Filters
Keeping the Radiator Screen Clean
Air Conditioning System Not Cooling Correctly
Checking the Fuel Filter
Bleeding the Fuel System (Tractors NOT Equipped with Electronic Injection Pump)
Bleeding the Fuel System (Tractors Equipped with VP44 Injection Pump)
Bleeding the Fuel System (Tractors Equipped with DE10 Injection Pump)
Bleeding the Fuel System (Tractors Equipped with HPCR System)
Lubricate All Lubricating Points
Operator's Seat
Prevent Battery Explosions
Battery - Checking Specific Gravity
Starter Motor
Fuses
Fuse and Relay Boxes on Tractors without Operator's Cab
Fuse and Relay Boxes on Tractors with Operator's Cab but without AutoPowr
Fuse and Relay Boxes on Tractors with Operator's Cab and AutoPowr
Replacing the Drive Belt
Section : 130 - Troubleshooting
Hydraulic System
Engine
Electrical System
Section : 135 - Diagnostic Trouble Codes
What the Diagnostic Trouble Codes Mean
Customization
General Operating Instructions and Entering Program Mode
Calling up Addresses and Diagnostic Trouble Codes
Diagnostic Trouble Codes on Basic Control Unit / Hitch Control Unit (BCU)
Diagnostic Trouble Codes on Basic Informator (BIF)
Diagnostic Trouble Codes on Engine Control Unit (ECU)
Diagnostic Trouble Codes on Electronic PowrQuad Controller (EPC)
Diagnostic Trouble Codes on Park Lock Controller (PLC)
Diagnostic Trouble Codes on Performance Monitor (PrF)
Diagnostic Trouble Codes on Control Unit for Suspended Front Axle with TLS and Suspended Cab (SFA)
Diagnostic Trouble Codes on E-ICV and E-SCV Controller (SIC)
Diagnostic Trouble Codes on Transmission Control Unit (TCU)
Diagnostic Trouble Codes on User Interface Controller (UIC)
Section : 140 - Storage
Storage for Long Period
Removing Tractor From Storage
Section : 145 - Specifications
Engine
PTO Power Output
Transmission
Hydraulic System
Loads and Weights
Towable Loads
Electrical System
Capacities
Sound Level
Load Capacity of Tires, Front Axle Load
Load Capacity of Tires, Rear Axle Load
Load Capacity of Tires With Front Loader
Declaration of Conformity
Safety Note Regarding the Subsequent Installation of Electrical and Electronic Appliances and/or Components
Section : 150 - Serial Numbers
Type Plates
Product Identification Number
Engine Serial Number
Transmission Serial Number
FWD Axle Serial Number
Section : IBC - John Deere Service Keeps You On The Job
John Deere Parts
The Right Tools
Well-Trained Technicians
Prompt Service