8120, 8220, 8320, 8420, and 8520 Tractors
Copyright 2004 (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.
Foreword
Quick Reference Specifications
Section : 05 - Safety
Recognize Safety Information
Understand Signal Words
Follow Safety Instructions
Prevent Machine Runaway
Use Seat Belt Properly
Operating the Tractor Safely
Stopping and Parking Tractor
Keep Riders Off Machine
Handle Fuel Safely-Avoid Fires
Prepare for Emergencies
Handle Starting Fluid Safely
Wear Protective Clothing
Protect Against Noise
Handle Chemical Products Safely
Avoid Contact with Pesticides
Stay Clear of Rotating Drivelines
Use Safety Lights and Devices
Use a Safety Chain
Transport Towed Equipment at Safe Speeds
Use Caution on Hillsides
Freeing a Mired Machine
Transport Tractor Safely
Service Cooling System Safely
Practice Safe Maintenance
Support Machine Properly
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Avoid High-Pressure Fluids
Protect Against High Pressure Spray
Handling Batteries Safely
Dispose of Waste Properly
Service Accumulator Systems Safely
Service Accumulator Systems Safely
Service Accumulator Systems Safely
Service Accumulator Systems Safely
Service Accumulator Systems Safely
Service Accumulator Systems Safely
Section : 10 - Safety Signs
Safety Signs
Section : 15 - Controls and Instruments
Front Console
Ignition Switch
Corner Post Display
Side Console
Armrest Controls
Vehicle Monitor Warning System
Vehicle Monitor
Changing Display Functions
Calibrating Radar
Calibrating Tire Size
Performance Monitor-If Equipped
Performance Monitor-Data Entry and Saving Mode
Performance Monitor-Adjusting Backlight
Performance Monitor-Service
Performance Monitor-Area, Distance, Area/H, Width, and PTO RPM
Performance Monitor-Operation and Calibration
Performance Monitor-Wheel Slip
Performance Monitor-Vehicle Speed
Section : 20 - Lights
Operating Lights
Operating Turn Signals, Horn and High/Low Beam
Using Delayed Egress Lighting-If Equipped
Operating Hazard Light
Operating Rotary Beacon Light-If Equipped
Using Extremity Transport Warning Lights
Using Seven-Terminal Outlet
Section : 25 - Operator Station
Adjusting Air Suspension Seat
Adjusting Active Seat
Operator Presence Sensor
Adjusting Armrest Control
Using Heating and Air Conditioning - Standard
Using ClimaTrak™ (ATC) - If Equipped (Serial No. -010000)
Using ClimaTrak™ (ATC) - If Equipped (Serial No. 010001-)
Change ClimaTrak™ (ATC) Unit Display
Operating Windshield Wiper
Operating Rear Windshield Wiper and Washer-If Equipped
Adjusting Steering Wheel
Operating the Radio
Operating the Radio with Optional Cassette Tape Player
Operating the Radio with Optional Compact Disc Player
Operating the Optional Cassette Tape Player
Operating the Optional Compact Disc Player
Setting the Clock
Installing Mobile Radio and Antenna-Standard Cab
Installing Mobile Radio and Antenna-Deluxe Cab
Using Field Office-If Equipped
Using Electrical Outlets
Using Auxiliary Power Strip-If Equipped
Identifying GREENSTAR™ System Connections-If Equipped
Using Monitor Mounts
Using Electric Rear View Mirror-If Equipped
Using Storage Compartment-If Equipped
Positioning Steps and Handrails
Right-Hand Steps-If Equipped
Accessory Step-If Equipped
Section : 30 - Break-In Period
Break-In Check-First 100 Hours
Break-In Check-After First 100 Hours
Section : 35 - Operating the Engine
Engine Fuel System and Power Rating
Starting the Engine
Cold Weather Starting-If Equipped
Cold Weather Starting-Without Optional Cold Weather Starting Aid
Operating the Engine
Changing Starting Fluid Cans-If Equipped
Using Auxiliary Heaters››If Equipped
Using a Battery Booster or Charger
Section : 40 - Operating the Tractor
Avoid Contact with Pesticides
Clean Tractor of Hazardous Pesticides
Using Emergency Exit
Using Seat Belts
Using Instructional Seat
Transmission-Hydraulic System Warm-Up
Operating the Transmission
Shifting the Transmission
Operating Tractor with Independent Link Suspension
Operating Automatic Powershift (APS)
Transmission Service Codes
Using the Brakes
Using Mechanical Front-Wheel Drive
Using Differential Lock
Using Field Cruise
Section : 45 - Implement Management System
Implement Management System (IMS) - Description
Implement Management System (IMS) - Display Codes
IMS Functions - Hitch
IMS Functions - Transmission
IMS Functions - Automatic PowerShift (APS)
IMS Functions - Selective Control Valves
IMS Functions - MFWD
IMS Functions - PTO
IMS Functions - Differential Lock
Operating The Implement Management System (IMS)
Aborting IMS
Clearing IMS Sequence
Section : 50 - Hitch
Hitch Components
Hitch Controls
Using Correct Hitch Category
Using Hitch Control Lever and Raise/Lower Switch
Adjusting Height Limit
Adjusting Rate of Drop
Using External Raise and Lower Switches
Using Hitch Manual Lowering Feature
Using Load/Depth Control
Using Position Control
Using Float Position
Using Draft Control
Using Hitch Slip Command (HSC)
Using Sway Blocks
Attaching Implement to Quick Coupler
Adjusting Implement Level
Changing Lateral Float
Detaching Implement from Quick Coupler
Hitch Conversion-Convertible Quick Coupler
Using Front Hitch-If Equipped
Section : 55 - TouchSet Depth Control
Using TouchSet™ Depth Controls
TouchSet™ Scraper Control-for Scrapers Equipped with Scraper Control Unit-If Equipped
Enabling TouchSet™ Scraper Control System
Attaching Implement and Control System
Checking Depth Control Operation
Detaching Implement
Section : 60 - Hydraulics and Selective Control Valves
Connecting Hydraulic Hoses
Connecting Hydraulic Hoses
Disconnecting Hydraulic Hoses
Using SCV TouchSet™ Controls and Monitor
Determining Total Flow Demand
Adjusting Selective Control Valve Flow Rate
Adjusting Timed Detent
Using SCV Control Levers
SCV Lever-Neutral Position
SCV Lever-Extend Position
SCV Lever-Extend Detent Position
SCV Lever-Retract Position
SCV Lever-Retract Detent Position
SCV Lever-Float Position
Operator Presence Sensor
Section : 65 - Remote Hydraulic Connections
Hydraulic Component Identification
Using Load-Sensing Hydraulic System-Power-Beyond
Examples Using Load-Sensing Hydraulic System-Power-Beyond
Using Hydraulic Spray Pumps
Implement Connection Example 1-Pressure Control Valve Applications (Grain Drills or Air Seeders with Constant Down-Pressure System)
Implement Connection Example 2-Motor Application Using Motor Case Drain
Implement Connection Example 3-Closed Center Valve with Pump at High Pressure
Implement Connection Example 4-Planter with Vacuum Motor and Return Line to SCV Using Motor Return Tip
Implement Connection Example 5-Planter with Vacuum Motor, Return Line to Motor Return and Lift Assist
Implement Connection Example 6-Planter with Vacuum Motor and Return Line to Motor Return
Using Hydraulic Motor Return
Using Hydraulic Motor Case Drain Return (Sump)
Using Implement Requiring Large Volumes of Oil
Section : 70 - Drawbar and PTO
Observing Drawbar Load Limitations
Adjusting Drawbar Length
Adjusting Drawbar Height
Adjusting Drawbar Side-to-Side
Installing and Using Clevis Assembly
Attaching PTO-Driven Implement
Using PTO Shield
Operating Rear PTO
Using Correct Engine Speed
Using Correct PTO Shaft
Changing PTO Stub Shaft
Section : 75 - Performance Ballasting
General Performance Guidelines
Maximum Load Per Wheel
Controlling Power Hop-MFWD Tractors
Using Rear Wheel Weights
Calculating Ballast for Optimum Performance
Worksheet to Calculate Ballast Changes
Unballasted Tractor Weight Chart-8120-8220-8320
Unballasted Tractor Weight Chart-8420 MFWD
Unballasted Tractor Weight Chart-8420 and 8520 Independent Link Suspension
Installing Quik-Tatch Weights
Using Rear Wheel Weights
Using Implement Codes
Implement Codes-Quik-Tatch Weights Required
Weight Added to Rear Axle with Hitch Mounted Implements
Measuring Wheel Slip-Manually
Using Liquid Ballast
Liquid Ballast-Front Tires
Liquid Ballast-Rear Tires
Section : 80 - Wheels, Tires, and Treads
Tire Combinations
Tire Combinations Tables
MFWD and Independent Link Suspension Ground Clearance above Row
Tire Inflation Pressure Guidelines
Recommended Pressures-Bias Single Front Tires
Recommended Tire Pressures-Group 41
Recommended Pressures-Group 42
Recommended Pressures-Group 42 - Continued
Recommended Pressures-Group 42 - Continued
Recommended Pressures-Group 43
Recommended Pressures-Group 43 - Continued
Recommended Pressures-Group 46
Recommended Pressures-Group 47
Recommended Pressures-Group 47-Continued
Recommended Pressures-Group 47 - Continued
Recommended Pressures-Group 48
Recommended Pressures-Group 48 - Continued
Two Wheel Drive Front Axle Adjustment
Two Wheel Drive Front Axle and Wheel Bolt Tightening
Two Wheel Drive Front Axle Toe-In Check
Two Wheel Drive Front Axle Toe-In Adjustment
Two Wheel Drive Front Axle Tread Setting
Two Wheel Drive Front Axle with Extensions Tread Settings
MFWD and Independent Link Suspension Front Wheel Bolts Tightening
Independent Link Suspension Front Duals Installation
MFWD Toe-In Check
MFWD Toe-In Adjustment
MFWD Steering Stop Settings
Independent Link Suspension Steering Stop Settings
Determining Rim Type
Eight Position Wheel Settings
Sixteen Position Wheel Settings
MFWD Fender Settings
Independent Link Suspension Fender Settings
MFWD and Independent Link Suspension Front Tire, Fender and Steering Stop Settings
Independent Link Suspension Dual Front Tire, Fender and Steering Stop Settings
Drive Rim to Cast Wheel Installation
Dual Wheel to Hub Installation
Rear Drive Wheel with Standard Hubs Adjusting and Tightening
Rear Drive Wheels with Standard Hubs Adjusting and Tightening
Rear Drive Wheel and Dual Heavy Duty Hubs Adjusting and Tightening
Rear Wheel, Tire, and Tread Guidelines
Rear Drive Wheel Tread Settings for Single Wheels
Rear Dual Wheel Tread Settings
Rear Triple Wheel Tread Settings
480 and 520 mm Triple Rear Wheel Tread Settings
Rear Dual Wheel Row Crop Settings
Rear Triple Wheel Row Crop Settings
Section : 85 - Transport
Driving Tractor on Roads
Transporting With Ballast
Towing Loads
Using a Safety Chain
Towing Tractor
Freeing a Mired Machine
Transporting on Carrier
Section : 90 - Fuels, Lubricants, and Coolant
Diesel Fuel
Handling and Storing Diesel Fuel
Fill Fuel Tank
Bio-Diesel Fuel
Diesel Engine Break-In Oil
Diesel Engine Oil
Extended Diesel Engine Oil Service Intervals
Oil Filters
Diesel Engine Coolant
Operating in Warm Temperature Climates
Drain Intervals for Diesel Engine Coolant
Additional Information About Diesel Engine Coolants and Supplemental Coolant Additives
OILSCAN™and COOLSCAN™
Testing Diesel Engine Coolant
Transmission and Hydraulic Oil
Powershift Transmission Recalibration
MFWD Differential Case Oil-Standard MFWD
MFWD Differential Case Oil-MFWD with Independent Link Suspension
MFWD Wheel Hub Oil
Grease
Mixing of Lubricants
Alternative and Synthetic Lubricants
Lubricant Storage
Section : 95 - Maintenance and Service Intervals
Observe Service Intervals
Raising the Hood
Service Interval Chart-Daily or 10 Hours-250 Hours-500 Hours-750 Hours
Service Interval Chart-1500 Hours-2000 Hours-Annual-Two Years-4500 Hours
Using High-Pressure Washers
Using Compressed Air
Section : 100 - General Maintenance and Inspection
Inspecting Neutral Start System
Checking Transmission PARK Position
Cleaning and Inspecting Primary Engine Air Filter
Replacing Primary and Secondary Engine Air Filters
Cleaning or Replacing Cab Air Filters
Servicing Air Intake System
Cleaning Radiator and Oil Cooler Condenser
Checking Air Conditioning System
Servicing the Batteries
Replacing Auxiliary Drive Belt
Auxiliary Drive Belt Routing
Inspecting Fan Belt Tensioner
Replacing Fan Belt
Checking Manual Brakes
Inspecting Seat Belts
Replacing Engine Crankshaft Damper
Section : 105 - Lubrication
Checking Engine Oil Level
Changing Engine Oil and Filter
Checking Transmission-Hydraulic Oil Level
Changing Transmission-Hydraulic Oil and Cleaning Transmission filter Screen
Replacing Transmission-Hydraulic Filter
Draining Clean Oil Reservoir
Cleaning Hydraulic Oil Suction Screen
Lubricating Front Axle
Lubricating Front Wheel Bearings
Lubricating MFWD Axle-Standard
Lubricating Independent Link Suspension Axle-
Lubricating Independent Link Suspension U-Joints
Checking MFWD Differential Case Oil Level
Changing MFWD Differential Case Oil
Checking MFWD Wheel Hub Oil Level
Changing MFWD Wheel Hub Oil
Lubricating Hitch Components
Lubricating Front Hitch - If Equipped
Lubricate Draft Link Support Shaft Bushing
Section : 110 - Maintenance-Cooling System
Checking Coolant Level
Testing the Coolant
Draining, Flushing, and Refilling Cooling System
Section : 115 - Maintenance-Fuel System
Draining Water Separator
Cleaning Fuel Pre-Filter-(Early Version)
Replacing Fuel Filter-(Early Version)
Replacing Fuel Filter-Late Version-Dual Filter System
Bleeding Fuel System (Early Version)
Bleeding Fuel System (Late Version)
Cleaning Fuel Tank Vent Filter
Replacing Fuel Screen-Late Version
Draining Fuel Tank Sump
Section : 120 - Maintenance-Electrical System
Replacing Fuses and Relays
Load Center Fuses
Load Center Relays and Diodes (›010000)
Load Center Relays and Diodes (010001 - 014679)
Load Center Relays and Diodes (014680››)
Handling Halogen Light Bulbs Safely
Replacing Front Grille Lights
Adjusting Front Grille Lights
Aiming Head Lights
Replacing Front Belt-Line, Cab Roof (Rear and Side or Rear Fender floodlight Element
Replacing Cab Roof Hazard Light Bulbs
Replacing Tail Light Bulb
Replacing instrument and Display Illumination Light Bulb
Replacing Dome Light Bulb
Replacing Extremity Warning Light Bulb (if Equipped)
Replacing Work Light Element (If Equipped)
Replacing Loader Floodlight (If Equipped)
Section : 125 - Troubleshooting
Engine Troubleshooting
Transmission Troubleshooting
Hydraulic System Troubleshooting
Brakes Troubleshooting
Hitch Troubleshooting
Selective Control Valve Troubleshooting
TouchSet Depth Control Troubleshooting
Electrical System Troubleshooting
Operator Enclosure Troubleshooting
Tractor Operation Troubleshooting
Independent Link Suspension Troubleshooting
Section : 130 - Service Codes
Active Seat Unit Service Codes (ASU)
Armrest Control Unit Service Codes (ACU)
Central Control Unit Service Codes (CCU)
ClimaTrak Display Codes (ATC) - If Equipped (Serial No. 010001-)
Engine Control Unit Service Codes (ECU)
Electro-Hydraulic Options Service Codes (EHo)
Hitch Control Unit Service Codes (HCU)
Instrument Control Unit Service Codes (ICU)
Powershift Control Unit Service Codes (PCU)
Optional SCV Control Unit Service Codes (SCo)
SCV Control Unit Service Codes (SCU)
Steering Service Codes - (SSU)
SCV Setup Panel Service Codes (SUP)
Section : 135 - Storage
Placing Tractor in Long-Term Storage
Removing Tractor from Storage
Paint Finish Care
Section : 140 - Specifications
General Specifications
Overall Dimensions
Ground Speeds
Metric Bolt and Cap Screw Torque Values
Unified Inch Bolt and Cap Screw Torque Values
Limited Battery Warranty
Section : 145 - Identification Numbers
Identification Plates
Record Tractor Identification Number
Record Engine Serial Number
Record Cab Serial Number
Record Transmission Serial Number
Record Mechanical Front-Wheel Drive Serial Number
Keep Proof of Ownership
Keep Machines Secure
Section : 150 - Lubrication and Maintenance Records
250 Hour Service Records
500 Hour Service Records
750 Hour Service Records
1500 Hour Service Records
2000 Hour Service Records
Annual Service Records
Two Year Service Records
4500 Hour Service Records
Section : 155 - Glossary
Glossary of Terms
Section : SLIT - John Deere Service Literature Available
Technical Information
Section : IBC - John Deere Service Keeps You on the Job
John Deere Is At Your Service