Complete Repair Service Technical Manual for John Deere 2WD or MFWD Tractors 6120, 6220, 6320, 6420, 6120L, 6220L, 6320L, 6420L & 6520L (North America) , with all the workshop information to maintain, service, and repair like professional mechanics.

John Deere Tractor 6120, 6220, 6320, 6420, 6120L, 6220L, 6320L, 6420L, 6520L workshop technical manual (repair) includes:
* 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

Change the Fan or the Viscous Fan Drive

Remove and Install the Intercooler

Remove/Install the Intercooler (with TIER II Engines)

Removing and Installing the Expansion Tank

Removing and Installing the Thermostat Valve

Installing the Radiator

Filling the Cooling System with Coolant

Relieving Tension on the Drive Belt

Change the Drive Belt

Replacing the Drive Belt Tensioner

Repairing the Fan Console

Remove and Install Fan Console (with Mechanical Coolant Pump)

Group 25: Cold-Weather Starting Aid

Summary of References (Cold-Weather Starting Aids)

Fuel Preheater

Electrical Starting Aid

Coolant Heater

Group 30: Exhaust System

Summary of References (Exhaust System)

General Information

Specifications

Exhaust to Top Right

Exhaust to Bottom Right

Section 40: ELECTRICAL SYSTEM

Group 05: Connectors

Connectors - Summary of References

Special Tools

General

Using high-pressure washers

Disconnecting electrical circuits

Stripping Wire Ends

Installing a Terminal

WEATHER PACK Connectors

METRI PACK Connector With Terminal Lock at the Rear

METRI PACK Connectors with Terminal Lock at the Front

METRI PACK Connectors

Connector at CAN Bus Terminating Resistor

Connectors for Electronic Control Units

Connectors

CRIMP SNAP IN connectors

KOSTAL Connectors

DEUTSCH Connectors

Individual Terminals

Fuse and Relay Boxes

Fuse and Relay Box on Tractors with Open Operator's Station

Group 10: Wiring Harnesses

Wiring Harnesses for Tractors with SyncroPlus or PowrQuad Transmissions and TIER I Engine - Recondition (Summary of References)

Wiring Harnesses for Tractors with SyncroPlus or PowrQuad Transmissions and TIER II Engine - Recondition (Summary of References)

Wiring Harnesses for Tractors with SyncroPlus or PowrQuad Transmission from Serial No. 398656 - Recondition (Summary of References)

Wiring Harnesses for Tractors with PowrQuad Plus Transmission and TIER I Engine - Recondition (Summary of References)

Wiring Harnesses for Tractors with AutoQuad Transmission and TIER I Engine - Recondition (Summary of References)

Wiring Harnesses for Tractors with PowrQuad Plus or AutoQuad Transmission and TIER II Engine - Recondition (Summary of References)

Wiring Harnesses for Tractors with PowrQuad Plus or AutoQuad Plus Transmission from Serial No. 398656 - Recondition (Summary of References)

Wiring Harnesses for Tractors with AutoPowr/IVT Transmission and TIER II Engine - Recondition (Summary of References)

Wiring Harnesses for Tractors with AutoPowr/IVT transmission from Serial No. 398656 - Recondition (Summary of References)

Wiring Harnesses for Tractors with Open Operator's Station and TIER I Engine - Repair (Summary of References)

Wiring Harnesses for Tractors with Open Operator's Station and TIER II Engine - Repair (Summary of References)

Disconnecting electrical circuits

Ground Point Locations

Removing and Installing Harness W01 - Power Supply

Remove and Install Harness W01 - Power Supply (Open Operator's Station)

Removing and Installing Harness W02 - Tier I Engine Wiring Harness (without Engine Control or with Level 1 ECU)

Removing and Installing Harness W02 - Tier II Engine Wiring Harness (with Level 12 ECU)

Remove and Install Harness W02 - Engine (Level 12 ECU) from Serial No. 398656

Removing and Installing Harness W02 - Tier II Engine Wiring Harness (with Level 11 ECU) (AutoPowr/IVT Transmission)

Remove and Install Harness W02 - Engine (Level 11 ECU) (AutoPowr/IVT Transmission) from Serial No. 398656

Removing and Installing Harness W02 - TIER I Engine Wiring Harness (Open Operator's Station)

Removing and Installing Harness W02 - Tier II Engine Wiring Harness (with Level 12 ECU) (Open Operator's Station)

Removing and Installing Harness W03 - Starting Aid for TIER I and TIER II Engines (without Engine Control or with Level 1 or 12 ECUs)

Remove and Install Harness W03 - Starting Aid (Level 12 ECU) from Serial No. 398656

Removing and Installing Harness W03 - Starting Aid, for TIER II Engines (with Level 11 ECU) (AutoPowr/IVT Transmission)

Removing and Installing Harness W03 - Starting Aid (Level 11 ECU) (AutoPowr/IVT transmission) from Serial No. 398656

Removing and Installing Harness W04 - Headlights

Removing and Installing Harness W06 - Front-Wheel Drive Axle with TLS

Removing and Installing Harness W07 - Front PTO

Removing and Installing Harness W08 - Cab Harness, for TIER I Engine

Removing and Installing Harness W08 - Cab Harness, for TIER II Engine

Remove and Install Harness W08 - Cab from Serial No. 398656

Removing and Installing Harness W08 - Cab Wiring Harness, for TIER II Engine (AutoPowr/IVT Transmission)

Remove and Install Harness W08 - Cab (AutoPowr/IVT Transmission) from Serial No. 398656

Removing and Installing Harness W08 - Open Operator's Station, for TIER I Engine

Removing and Installing Harness W08 - Open Operator's Station, for TIER II Engine

Removing and Installing Harness W09 - Cab - Cowl, TIER I Engine

Removing and Installing Harness W09 - Cab - Cowl, TIER II Engine

Remove and Install Harness W09 - Cowl from Serial No. 398656

Removing and Installing Harness W09 - Cowl, for TIER II Engine (AutoPowr/IVT Transmission)

Remove and Install Harness W09 - Cowl (AutoPowr/IVT Transmission) from Serial No. 398656

Removing and Installing Harness W09 - Cab - Cowl, TIER I Engine (Open Operator's Station)”

Removing and Installing Harness W09 - Cab - Cowl, TIER II Engine (Open Operator's Station)

Removing and Installing Harness W10 - Shift Console

Removing and Installing Harness W11 - Transmission Shift and Hand Throttle

Removing and Installing Harness W11 - Speed Control Lever and Hand Throttle (AutoPowr/IVT transmission)

Removing and Installing Harness W12 - Command Arm (AutoPowr/IVT transmission)

Removing and Installing Harness W13 - Clutch Sending Unit

Removing and Installing Harness W14 - 3-Terminal Power Outlet Socket

Removing and Installing Harness W14 - 3-Terminal Power Outlet Socket (Open Operator's Station)

Removing and Installing Harness W15 - ECU, for TIER I Engine (without Engine Control)

Removing and Installing Harness W15 - ECU, for TIER I Engine (ECU Level 1)

Removing and Installing Harness W15 - ECU, for TIER II Engine (ECU Level 12)

Remove and Install Harness W15 - Engine Control Unit (Level 12 ECU) from Serial No. 398656

Removing and Installing Harness W15 - ECU, for TIER II Engine (ECU Level 11) (AutoPowr/IVT Transmission)

Remove and Install Harness W15 - ECU (Level 11 ECU) (AutoPowr/IVT Transmission) from Serial No. 398656

Removing and Installing Harness W16 - E-SCV / E-ICV Controller (SIC)

Removing and Installing Harness W17 - Multi-function Unit

Removing and Installing Harness W18 - Windshield Wiper Switch (Without Intermittent Wipe)

Removing and Installing Harness W18 - Windshield Wiper Switch (With Intermittent Wipe)

Removing and Installing Harness W19 - Cab Roof, for TIER I Engine

Removing and Installing Harness W19 - Cab Roof, for TIER II Engine

Removing and Installing Harness W20 - Headlights on Cab Frame

Removing and Installing Harness W21 - Worklights on Front of Cab Roof

Removing and Installing Harness W22 - Worklights on Rear of Cab Roof

Removing and Installing Harness W22 - Xenon (HID) Worklights on Rear of Cab Roof

Removing and Installing Harness W23 - Windshield Wiper

Removing and Installing Harness W24 - Rear Window Wiper

Removing and Installing Harness W25 - Rear Window Wiper Switch

Removing and Installing Harness W26 - Fan and Air-Conditioner

Removing and Installing Harness W26 - Fan and Air-conditioner from Serial No. 398656

Removing and Installing Harness W26 - ClimaTrak (Cab)

Removing and Installing Harness W27 - Turn Signal Lights

Removing and Installing Harness W28 - Front End of Transmission (SyncroPlus and PowrQuad Transmissions)

Removing and Installing Harness W28 - Front End of Transmission (PowrQuad Plus and AutoQuad Transmissions)

Removing and Installing Harness W28 - Front End of Transmission (AutoPowr/IVT transmission)

Remove and Install Harness W28 - Front End of Transmission (Open Operator's Station)

Removing and Installing Harness W29 - Valve Block (AutoPowr/IVT Transmission)

Remove and Install Harness W30 - Rear End of Transmission

Removing and Installing Harness W30 - Rear End of Transmission (Open Operator's Station)

Removing and Installing Harness W31 - 7-Terminal Power Outlet Socket

Removing and Installing Harness W32 - Stepper Motors

Removing and Installing Harness W33 - Service

Removing and Installing Harness W34 - Electric Rear-View Mirrors

Removing and Installing Harness W35 - Access Step Lighting and Battery Cut-off Switch (Version 1)

Removing and Installing Harness W35 - Access Step Lighting and Battery Cut-off Switch (Version 2)

Removing and Installing Harness W36 - GreenStar 60-amp Socket, for TIER I Engine

Removing and Installing Harness W36 - 60-amp GreenStar Implement Socket

Removing and Installing Harness W37 - GreenStar Connection, for TIER I Engine

Removing and Installing Harness W39 - GreenStar (Cab), for TIER I Engine

Removing and Installing Harness W39 - GreenStar (Cab)

Removing and Installing Harness W39 - GreenStar with TEC Control Unit (Cab), for TIER I Engine

Removing and Installing Harness W39 - GreenStar with Tractor Equipment interface Controller (Cab)

Removing and Installing Harness W40 - GreenStar (Cab Roof), for TIER I Engine

Removing and Installing Harness W40 - GreenStar (Cab Roof)

Removing and Installing Harness W41 - JDLink

Removing and Installing Harness W42 - Battery Cut-Off Switch, Version 1

Removing and Installing Harness W42 - Battery Cut-Off Switch, Version 2

Removing and Installing Harness W43 - Back-Up Alarm

Removing and Installing Harness W43 - Back-Up Alarm (AutoPowr/IVT Transmission)

Removing and Installing Harness W44 - Back-Up Alarm / Switch for Power Reverser or PowrQuad Transmission

Removing and Installing Harness W45 - Back-Up Alarm / Switch for SyncroPlus Transmission

Removing and Installing Harness W47 - ClimaTrak (Cab Roof)

Removing and Installing Harness W48 - ClimaTrak (Cowl)

Removing and Installing Harness W49 - ClimaTrak (Evaporator Housing)

Removing and Installing Harness W50 - GreenStar (CAN BUS Terminator)

Removing and Installing Harness W51 - AutoTrac (Cab)

Removing and Installing Harness W52 - AutoTrac (Steering Angle Sensor)

Removing and Installing Harness W53 - AutoTrac (Command Arm)

Group 15: Charging Circuit

Special Tools

Specifications

Repairing the Alternator

Disconnecting Electrical Circuits

Relieve Drive Belt Tension

Remove/Install the Alternator

Pulley Removal and Installation

Group 20: Starter Motor Circuit

Repairing the Starter Motor

Specifications

Disconnecting Electrical Circuits

Removing and Installing the Starting Motor

Group 25: Fuses, Relays and Switches

Fuses, Relays and Switches - Recondition (Summary of References)

General Information

Special or Essential Tools

Specifications

Disconnecting electrical circuits

Removing Trim Panels from Cowl

Fuse and Relay Boxes on Tractors with Operator's Cab up to Serial No. 398655

Fuse and Relay Boxes on Tractors with Operator's Cab from Serial No. 398656

Fuse and Relay Boxes on Tractors with Operator's Cab and AutoPowr/IVT Transmission up to Serial No. 398655

Fuse and Relay Boxes on Tractors with Operator's Cab and AutoPowr/IVT Transmission from Serial No. 398656

Fuse and Relay Box on Tractors with Open Operator's Station

Replacing the Main Fuses

Replacing Fuses of Electrical Starting Aid, TIER I and TIER II Engine (without engine control or with Level 1 or 12 ECU)

Replacing Fuses of Electrical Starting Aid, TIER II Engine (Level 11 ECU) (AutoPowr/IVT Transmission)

Replacing the LTC Coolant Pump Fuse (AutoPowr/IVT Transmission)

Replace the Fuses for Power Supply to the Implement BUS (60-amp Implement Socket)

Replacing Starting Motor Relay, TIER I and TIER II Engine (without engine control or with Level 1 or 12 ECU)

Replacing Starting Motor Relay, TIER II Engine (Level 11 ECU) (AutoPowr/IVT Transmission)

Replacing Relay of Electrical Starting Aid, TIER I and TIER II Engine (without engine control or with Level 1 or 12 ECU)

Replacing Relay of Electrical Starting Aid, TIER II Engine (Level 11 ECU) (AutoPowr/IVT Transmission)

Replace the Power Supply Relays for the Implement BUS

Replacing the Main Switch

Replacing the Brake Switches

Replacing the Light Switch

Replacing Full/Dipped-Beam Switch

Replacing the Worklight Switches

Replace the Switch for Lights on Cab Frame

Replacing the Beacon Light Switch

Replacing the Hazard Warning Light Switch

Replacing the Turn Signal Switch

Replacing the Horn Switch

Replacing Switches on Multi-Function Unit

Replacing the Rear Window Wiper and Washer Switch

Replacing the Rear Window Switch

Replace the Dome Light Door Switch

Replacing the Front-Wheel Drive Switch

Replacing the Headland Management (HMS) Switch

Replacing the Record/Save Switch

Replace the Program Switch

Replacing the Switch for AutoQuad Transmission

Replace the Switch for Gear Selector and Auto-mode

Replacing the Park Lock Switch on Tractors with PowrQuad Plus, AutoQuad or AutoQuad Plus Transmissions

Replacing the Back-Up Alarm Switch

Replacing the Fan Switch

Replacing the Switch of the Air-Conditioning System Compressor

Replacing the Differential Lock Switch

Replace the PTO Switches

Replacing the Rockshaft Remote Control Switch

Replace the Switches for the Electrical Rear-View Mirrors

Replace the Switch for the Heated Rear-View Mirrors

Replace the Switch for the Heated Rear Window

Replace the AutoTrac Switch

Replacing the Cruise Control Potentiometer on Tractors with AutoQuad Transmission

Replace the Cruise Control Potentiometer on Tractors with AutoPowr/IVT Transmission

Replace the Auto-mode Potentiometer on Tractors with AutoQuad Plus Transmission

Rockshaft Control

Electrical Activators for Selective Control Valves (E-SCV)

Electrical Activators for Independent Control Valves (E-ICV)

Group 30: Monitoring Systems

Monitoring Systems - Recondition (Summary of References)

General Information

Note

Note

Note

Disconnecting electrical circuits

Replacing the Engine Speed Sending Unit (B01)

Replacing the Engine Oil Pressure Sending Unit (B04)

Replacing the Sending Unit for the Coolant Temperature Gauge (B08)

Replacing the Acoustic Alarm

Replacing the Acoustic Alarm (Park Lock) on Tractors with AutoPowr/IVT Transmission

Group 40: Electrical Components

Electrical Components - Recondition (Summary of References)

General Information

Special Tools

Specifications

Disconnecting electrical circuits

Replacing the 7-Terminal Power Outlet Socket

Replacing the 3-Terminal Power Outlet Socket

Replacing the Multiple Power-Outlet Socket Strip

Replacing the Service Socket

Removing the Wiper Motor

Adjusting the Headlights

Adjusting the Lights on the Cab Frame

Safety Instructions for Replacing a Halogen Bulb

Safety Instructions for Replacing Xenon (HID) Bulbs and Ballast Units

Replacing Xenon (HID) Worklights and Ballast Units

Section 50: SYNCROPLUS TRANSMISSION

Group 00: Installing and Removing Components

Special or Essential Tools

Dealer-Manufactured Special Tools

Specifications

Removing the Clutch Housing

Installing the Clutch Housing

Removing the Gear Transmission

Installing the Gear Transmission

Group 05: Transmission Shift Controls

SyncroPlus Transmission Shift Units - Reconditioning (Summary of References)

Specifications

Reconditioning the Gear Shift Mechanism

Reconditioning the Range Shift Mechanism

Checking and Adjusting the Shift Units

Adjusting the Clutch Pedal

Group 10: Perma Clutch II Module

SyncroPlus Transmission, Perma Clutch II Module - Reconditioning (Summary of References)

Special or Essential Tools

Specifications

Removing the Clutch

Reconditioning the Clutch

Installing the Clutch

Removing the Transmission Oil Pump

Reconditioning the Transmission Oil Pump

Installing the Transmission Oil Pump

Valves and Other Hydraulic Components

Reconditioning the Engagement Override Valve

Reconditioning the Clutch Cooling Valve

Reconditioning the Cooling Pilot Valve

Reconditioning the Filter Relief Valve

Reconditioning the Pressure-Regulating Valve

Reconditioning the Lube Relief Valve

Reconditioning the Cooler Relief Valve

Reconditioning the Clutch Pedal Valve

Replacing the Temperature and Pressure Sending Units

Group 15: Gear Transmission

SyncroPlus Transmission, Gear Transmission - Reconditioning (Summary of References)

Special or Essential Tools

Specifications

Gear Transmission - Sectional View

Disassembling the Gear Transmission

Reconditioning the Gear Transmission

Preparation for Installing the Gear Transmission

Reconditioning the Shift Cover

Adjusting the Gear Transmission Shift Mechanism

Adjusting the Neutral Start Switch

Section 51: POWER REVERSER TRANSMISSION

Group 00: Installing and Removing Components

Special or Essential Tools

Dealer-Manufactured Special Tools

Specifications

Removing the Power Reverser Module

Installing the Power Reverser Module

Removing and Installing the Gear Transmission

Group 05: Transmission Shift Controls

Power Reverser Shift Units - Reconditioning (Summary of References)

Specifications

Reconditioning the Gear Shift Mechanism

Reconditioning the Range Shift Mechanism

Reconditioning the Forward/Reverse Control

Checking and Adjusting the Shift Units

Adjusting the Reverse Drive Lever

Adjusting the Reverse Drive Linkage

Adjusting the Clutch Pedal

Group 10: Power Reverser Module

Power Reverser Transmission, Power Reverser Module - Reconditioning (Summary of References)

Special or Essential Tools

Specifications

Power Reverser Module - Sectional View

Components of Power Train

Removing the Disk Brake

Reconditioning the Disk Brake

Installing the Disk Brake

Removing the Clutch and Planetary Carrier

Reconditioning the Clutch and Planetary Carrier

Installing the Clutch and Planetary Carrier

Removing the Transmission Oil Pump

Reconditioning the Transmission Oil Pump

Installing the Transmission Oil Pump

Valves and Other Hydraulic Components

Reconditioning the Pressure-Regulating Valve

Reconditioning the Cooling Pilot Valve

Reconditioning the Clutch Cooling Valve

Reconditioning the Engagement Override Valve

Reconditioning the Filter Relief Valve

Reconditioning the Cooler Relief Valve

Reconditioning the Lube Relief Valve

Reconditioning the Sump Valve

Reconditioning the Accumulator Piston

Reconditioning the Forward/Reverse Valve

Reconditioning the Fwd/Rev Cooling Control Valve

Reconditioning the Modulator Valve

Reconditioning the Connecting Valve

Reconditioning the Clutch Pedal Valve

Replacing the Temperature and Pressure Sending Units

Replacing the Oil Filter

Replacing the Neutral Start Switch

Group 15: Gear Transmission

Power Reverser Transmission, Gear Transmission - Reconditioning (Summary of References)

Special or Essential Tools

Specifications

Gear Transmission - Sectional View

Disassembling the Gear Transmission

Reconditioning the Gear Transmission

Preparation for Installing the Gear Transmission

Reconditioning the Shift Cover

Adjusting the Shift Mechanism on the Gear Transmission

Section 53: AUTOPOWR/IVT TRANSMISSION

Group 00: Installing and Removing Components

Specifications

Removing the AutoPowr/IVT Transmission

Installing the AutoPowr/IVT Transmission

Group 05: Transmission Shift Controls

AutoPowr/IVT Transmission Shift Units - Reconditioning (Summary of References)

Reconditioning the Speed Control Lever

Reverser control, reconditioning

Reconditioning the Clutch Actuation Mechanism

Reconditioning the Manual Park Lock Release Mechanism

Releasing the Park Lock Manually

Group 10: Input Housing

AutoPowr/IVT Transmission, Input Housing - Reconditioning (Summary of References)

Special Tools

Specifications

Replace Hydrostatic Unit Speed Sending Unit (B62) (Repair Level 1 and 2)

Replacing Pressure Sending Unit B87, S73, S74 (Repair Level 1 and 2)

Replacing Thermostat Valve (Repair Level 1 and 2)

Replacing Filter By-Pass Valve (Cold-Weather Starting) (Repair Level 1 and 2)

Replacing the Oil Filter (Repair Level 1 and 2)

Removing the System Pressure Control Block (Repair Level 1 and 2)

Installing System Pressure Control Block (Repair Level 1 and 2)

Removing the Transmission Oil Pump (Repair Level 1 and 2)

Reconditioning the Transmission Oil Pump (Repair Level 1 and 2)

Installing the Transmission Oil Pump (Repair Level 1 and 2)

Removing the Vibration Damper (Repair Level 1 and 2)

Reconditioning the Vibration Damper (Repair Level 1 and 2)

Installing the Vibration Damper (Repair Level 1 and 2)

Removing the Front Plate (Repair Level 1 and 2)

Installing the Front Plate (Repair Level 1 and 2)

Removing Clutch Control Block (Repair Level 1 and 2)

Reconditioning Clutch Control Block (Repair Level 1 and 2)

Installing the Clutch Control Block(Repair Level 1 and 2)

Separating the Input and Output Housings(Repair Level 2)

Joining the Input and Output Housings (Repair Level 2)

Removing BG Disk Brake (Repair Level 2)

Installing BG Disk Brake (Repair Level 2)

Removing Shift Turret (Repair Level 2)

Reconditioning the Shift Turret (Repair Level 2)

Installing the Shift Turret (Repair Level 2)

Removing the Hydrostatic Unit (Repair Level 2)

Installing the Hydrostatic Unit (Repair Level 2)

Reconditioning the Hydrostatic Unit Output Shaft (Repair Level 2)

Measuring the Gaps Between Transmission Shafts (Repair Level 2)

Replacing the Wiring Harness / Replacing the Fittings on the Housing (Repair Level 2)

Group 15: Output Housing

AutoPowr/IVT Transmission, Output Housing - Reconditioning (Summary of References)

Special or Essential Tools

Specifications

Replacing Transmission Input Speed Sending Unit (B61) (Repair Level 1 and 2)

Replacing Transmission Output Speed Sending Unit (B63) (Repair Level 1 and 2)

Replace Pressure Sending Unit (B90) for Park Lock Control Block (Repair Level 1 and2)

Replacing the Bleed Valve (Repair Level 2)

Removing the Park Lock Control Block (Repair Level 1 and 2)

Reconditioning the Park Lock Control Block (Repair Level 1 and 2)

Reconditioning the Park Lock Cam (Repair Level 1 and 2)

Installing the Park Lock Control Block (Repair Level 1 and 2)

Removing the Pneumatic Pump (Repair Level 1 and 2)

Installing the Vibration Damper (Repair Level 1 and 2)

Removing the Direction Turret and Reverse Intermediate Shaft(Repair Level 2)

Installing Direction Turret and Reverse Intermediate Shaft (Repair Level 2)

Removing the Drive Shaft for the Hydrostatic Unit (Repair Level 2)

Removing the Through-Drive Shaft (Repair Level 2)

Installing the Through-Drive Shaft (Repair Level 2)

Removing the Drive Gear for the Hydrostatic Unit (Repair Level 2)

Removing the Idler Gear with Pneumatic Pump Drive (Repair Level 2)

Installing the Idler Gear with Pneumatic Pump Drive (Repair Level 2)

Replacing the Screw Plugs (Repair Level 1 and 2)

Group 20: Differential Drive Shaft Assembly

AutoPowr/IVT Transmission, Differential Drive Shaft - Reconditioning (Summary of References)

Specifications

Differential Drive Shaft - Sectional View

Disassembling the Differential Drive Shaft (without Bearings)

Reconditioning the Cover with the Park Lock Pawl

Assembling the Differential Drive Shaft (without Bearings)

Replacing the Differential Drive Shaft / Reconditioning the Bearings

Section 55: POWRQUAD, POWRQUAD PLUS AND AUTOQUAD TRANSMISSIONS

Group 00: Installing and Removing Components

Specifications

PowrQuad Plus Transmission, Removal and Installation

AutoQuad Transmission, Removal and Installation

Removing the PowrQuad Transmission

Installing the PowrQuad Transmission

Removing Creeper or Option Transmissions

Installing Creeper or Option Transmissions

Removing the Range Transmission

Installing the Range Transmission

Group 05: Transmission Shift Controls

PowrQuad Transmission Shift Units - Reconditioning (Summary of References)

Specifications

Gear Shift Linkage, Reconditioning (Reverser Control on Steering Column)

Range Shift Linkage, Reconditioning (Reverser Control on Steering Column)

Reconditioning the Reverser Control (on Steering Column)

Adjusting the Reverse Drive Lever (Reverser Control on Steering Column)

Adjusting the Reverse Drive Linkage

Checking and Adjusting the Shift Mechanisms/Linkages (Reverser Control on Steering Column)

Repairing the Range Shift Linkage (PowrQuad Plus and AutoQuad Transmissions)

Check and Adjust the Shift Controls/Linkages (PowrQuad Plus and AutoQuad transmissions)

Adjust the Clutch Pedal (PowrQuad Transmission)

Reconditioning the Clutch Actuation (PowrQuad Plus & AutoQuad Transm.)

Group 10: PowrQuad Module

PowrQuad, PowrQuad Plus and AutoQuad Transmissions - Summary of References

Special or Essential Tools

Specifications

Transmission Components

Replacing the Neutral Start Circuit (with Mech. Actuated PowrQuad Module)

Replace Temperature Sensor and Pressure Switches

Removing and Installing the Oil Filter Housing

Replacing the Oil Filter

Removing and Installing the Front Valve Housing

Removing and Installing the Valves in the Front Valve Housing

Removing and Installing the Valves in the Front Valve Housing (with Mech. Actuated PowrQuad Module)

Remove and Install the Front Transmission Cover

Removing and Installing the Valves in the Front Transmission Cover

Removing and Installing the Valves in the Front Transmission Cover (with Mech. Actuated PowrQuad Module)

Replacing the Clutch Pedal Valve (with Mech. Actuated PowrQuad Module)

Removing and Installing the Shift Valve Housing

Remove and Install the Valves in the Shift Valve Housing

Removing and Installing the Shift Valve Housing (with Mech. Actuated PowrQuad Module)

Removing and Installing the Valves in the Shift Valve Housing (with Mech. Actuated PowrQuad Module)

Removing the Transmission Oil Pump

Reconditioning the Transmission Oil Pump

Installing the Transmission Oil Pump

Removing the Gear-Shift Planetary Drive

Repairing the Gear-Shift Planetary Drive

Install Gear-Shift Planetary Drive

Removing the B1 Brake Housing

Reconditioning the B1 Brake

Installing the B1 Brake Housing

Removing the B2-B3 Brake Housing

Reconditioning the B2 Brake

Reconditioning the B3 Brake

Installing the B2-B3 Brake Housing

Removing the C4 Clutch

Recondition the C4 Clutch

Installing the C4 Clutch

Removing the Reverse Brake

Reconditioning the Reverse Brake

Installing the Reverse Brake

Removing the Forward Clutch with Planetary Drive (Forward/Reverse)

Recondition Forward Clutch with Planetary Drive (Forward/Reverse)

Installing the Forward Clutch with Planetary Drive (Forward/Reverse)

Replacing the Output Shaft

Group 15: Creeper Transmission

Creeper Transmission - Reconditioning (Summary of References)

Specifications

Removing the Creeper Transmission

Reconditioning the Creeper Transmission

Installing the Creeper Transmission

Reconditioning the Shift Cover

Group 20: Option Transmission

Option Transmission - Reconditioning (Summary of References)

Specifications

Removing the Option Transmission

Reconditioning the Option Transmission

Installing the Option Transmission

Group 25: Range Transmission

Range Transmission- Reconditioning (Summary of References)

Specifications

Range Transmission - Sectional View

Removing the Range Transmission

Reconditioning the Range Transmission

Installing the Range Transmission

Reconditioning the Shift Cover

Replacing the Transmission Speed Sensor (B104)

Section 56: DRIVE SYSTEMS

Group 00: Installing and Removing Components

Special or Essential Tools

Dealer-Manufactured Special Tools

Specifications

Removing the FWD Clutch

Installing the FWD Clutch

Removing the Differential Housing

Installing the Differential Housing

Removing the Final Drives

Installing the Final Drives

Removing the Rear PTO

Installing the Rear PTO

Removing the Front PTO

Installing the Front PTO

Group 05: U-Jointed Shafts and Torsion Damper

Summary of References (U-Jointed Shafts and Torsion Damper)

Special Tools

Use of Special Tool KJD10426

Specifications

Remove U.J. Shaft (Front-Wheel Drive)

Reconditioning the U.j. Shaft (FWD)

Installing the U.j. Shaft (FWD)

Removing the U.j. Shaft (Engine)

Removing and Installing the Ring-Shaped Cooler

Removing the Torsion Damper

Changing the Torsion Damper Bearings

Installing the Torsion Damper

Installing Engine U.J. Shaft

Group 10: Front-Wheel Drive Clutch

Front-Wheel Drive Clutch - Reconditioning (Summary of References)

Special Tools

Other Material

Specifications

Replacing the Sending Unit for Front-Wheel Drive Axle Speed (B89)

Disassembling the Front Wheel Drive Clutch

Front-Wheel Drive Clutch - Exploded View

Assembling the Front-Wheel Drive Clutch

Group 15: Differential

Differential - Reconditioning (Summary of References)

Specifications

Replacing the Sending Unit (B09 or B35 or B84)

Removing the Differential

Disassembling the Differential

Differential - Exploded View

Assembling the Differential

Installing the Differential

Group 20: Hydraulic Pump Drive

Specifications

Reconditioning the Hydraulic Pump Drive

Adjusting the Hydraulic Pump Drive

Group 25: Final Drives

Special or Essential Tools

Specifications

Reconditioning the Final Drives

Group 30: Rear PTO

Rear PTO Options - Summary of References

Special Tools

Dealer-Fabricated Special Tools

Other Material

Specifications

Replacing the Output Shaft Seal Ring

Changing the O-Ring on Reversible PTO

Removing the PTO Clutch

Reconditioning the PTO Clutch

Installing the PTO Clutch

Reconditioning the PTO Brake

Disassembling the PTO Drive Train

Reconditioning the Output Shaft (540/1000 rpm Reversible)

Reconditioning the Countershaft (540/1000 rpm)

Assembling the PTO Drive Train

Adjusting Taper Roller Bearing at Output Shaft

Adjusting the Taper Roller Bearing of the Countershaft

Installing the Support and Adjusting the Taper Roller Bearings

Installing the PTO Housing

Removing the PTO Modulating Valve

Reconditioning the PTO Modulating Valve

Installing the PTO Modulating Valve

Repairing the Solenoid Valve

Replacing the PTO Speed Sending Unit

Group 35: Front PTO

Front PTO - Reconditioning (Summary of References)

Other Material

Specifications

General Repair Procedures

Replacing the Solenoid Valve

Reconditioning the Modulator Valve

Replacing the Front PTO Speed Sending Unit (B58)

Cleaning and Replacing the Filter

Reconditioning the Pressure-Regulating Valve

Checking the Cooler Relief and Filter By-Pass Valves

Removing and Installing the Valve Plate

Front PTO - Sectional View

Disassembling the Front PTO

Reconditioning the Oil Pump

Reconditioning the PTO Clutch

Reconditioning the PTO Brake

Reconditioning the Intermediate Gear Shaft (PTO Rotating Counterclockwise)

Reconditioning the Drive Shaft

Assembling the Front PTO

Group 40: Front Implement Drive

Front Implement Drive (Summary of References)

General Information

Special Tools

Specifications

Summary of Torques

Preliminary work

Removing and Installing the Drive Shaft Adapter

Removing and Installing the Drive Shaft

Section 60: STEERING AND BRAKES

Group 05: Hydrostatic Steering

Hydrostatic Steering (Summary of References)

Special Tools

Specifications

Preliminary Work

Disconnect/Connect Steering or Brake Hoses

Steering Valve - Removal (Tractors with Cab)

Steering Valve - Removal (Tractors without Cab)

Disassembling the Steering Valve

Exploded View of Steering Valve

Assembling the Steering Valve

Adjusting the Shock Valves

Steering Wheel and Steering Column (With Cab)

Steering Wheel and Steering Column (Tractors without Cab)

Recondition the Steering Column

Steering Valve - Installation (Tractors with Cab)

Steering Valve - Installation (Tractors without Cab)

Group 10: Steering Cylinder

Steering Cylinder (Summary of References)

General Information

Special or Essential Tools

Specifications

Removing the Steering Cylinder

Disassembling the Steering Cylinder

Assembling the Steering Cylinder

Installing the Steering Cylinder

Group 15: Brake Valve

Summary of References (Brake Valve)

Special Tools

Specifications

Accumulators - Remove and Install from Tractor Serial Number 440694

Brake Valve (With Power Fill)

Power-Fill Brake Valve with MFWD and Disk Brake

Group 20: Rear Brakes

Summary of References (Rear Brakes)

Special or Essential Tools

Specifications

Removing the Rear Brakes

Installing the Rear Brake

Checking Brake Pistons for Return Movement and Leakage

Final assembly

Bleeding the Brakes (Brake Valve, Power-Fill Brakes/MFWD and Disk Brake)

Group 40: AutoTrac

Summary of References (AutoTrac)

Removal and Installation of Steering Control Valve (Y49)

Removal and Installation of Steering Input Device (B138)

Section 70: Hydraulic System

Group 05: Controls

Hydraulic System - Controls (Summary of References)

Specifications

Selective Control Valves - Removing and Installing the Actuating Elements

Selective Control Valves - Adjusting the Bowden Cable

Removing and Installing the Multifunction Lever

Adjusting the Multi-Function Lever

Group 10: Hydraulic Pump and Charge Oil Pump

Other Material

Specifications

Removing and Installing the Charge Pump

Reconditioning the Charge Pump

Charge Pump - Checking the Lube Oil Valve

Hydraulic Oil Reservoir - Restrictor

Hydraulic Pump - Removing and Installing the Pressure-and-Flow Controller

Hydraulic Pump - Reconditioning the Pressure-and-Flow Controller

Removing and Installing the Hydraulic Pump

Reconditioning the Hydraulic Pump

Group 15: Valves

Reconditioning the Hydraulic System Valves - Summary of References

Special Tools

Special Tools (Dealer Fabricated)

Specifications

Hydraulic System - General Instructions on Safety and Repair

Direct Control of Rockshaft

Rockshaft Valve (Narrow Version) - Removal and Installation of Spacer Housing

Removing the Rockshaft Valve

Recondition the Rockshaft Valve

Rockshaft Valve - Depth to Which Raising and Lowering Valves are Screwed In

Rockshaft Valve - Removing and Installing the Stepper Motor

Rockshaft Valve - Centering the Stepper Motor

Installing the Rockshaft Valve

Removing the Main Block

Reconditioning the Main Block

Installing the Main Block

Reconditioning the Hydraulic Oil Filter

Group 20: Rockshaft

Special or Essential Tools

Other Material

Specifications

Rockshaft - Removing and Installing the Electronic Control Unit

Rockshaft - Removing and Installing the Position Sensor and Toothed Segment

Rockshaft - Removing and Installing the Rockshaft

Rockshaft - Removing the Rockshaft Cylinders

Rockshaft - Reconditioning the Rockshaft Cylinders

Rockshaft - Installing the Rockshaft Cylinders

Rockshaft - Removing and Installing the Draft Sensors and Draft Link Bearing Pins

Group 25: Selective Control Valves and Couplers

Reconditioning the Selective Control Valves and Couplers - Summary of References

Special Tools

Special Tools (Dealer Fabricated)

Other Material

Specifications

Reconditioning the Selective Control Valves and Couplers - General Instructions on Safety and Reconditioning

SCV Identification

Arrangement of the Shuttle Valves

Removing the Selective Control Valves

Series 200/300 Selective Control Valves - Replacing the Control Knobs

Series 200/300 Selective Control Valves - Inspecting the Check Valves

Series 200/300 Selective Control Valves - Inspecting the Inlet Check Valve and Metering Valve

Series 200 Selective Control Valves - Reconditioning

Series 300 Selective Control Valves - Inspecting the Pressure Compensator Valve

Series 300 Selective Control Valves - Reconditioning

Installing the Selective Control Valves

Selective Control Valves - Installing the Endplate

Selective Control Valves - Reconditioning the Couplers

Group 30: Independent Control Valve (ICV)

Reconditioning Independent Control Valves - Summary of References

Other Material

Specifications

Removing the Independent Control Valve (M-ICV)

Recondition the Independent Control Valve (M-ICV)

Independent Control Valves - Reconditioning the Inlet Plate

Assemble the Independent Control Valve (M-ICV)

Installing the Independent Control Valve (M-ICV)

Independent Control Valve (E-ICV) - Removing and Installing the Stepper Motors

Removing the Independent Control Valve (E-ICV)

Recondition the Independent Control Valve (E-ICV)

Assembling the Independent Control Valves (E-ICV)

Installing the Independent Control Valve (E-ICV)

Section 80: MISCELLANEOUS

Group 00: Installing and Removing Components

Specifications

Removing and Installing the Main Frame (Summary of References)

Removing the Main Frame

Installing the Main Frame

Removing and Installing the Front Axle or Front-Wheel Drive Axle (Summary of References)

Removing the Front Axle

Installing the Front Axle

Removing the Front-Wheel Drive Axle

Installing the Front-Wheel Drive Axle

Removing the Front-Wheel Drive Axle With TLS

Installing the Front-Wheel Drive Axle With TLS

Removing and Installing the Front Axle Support (Summary of References)

Removing the Front Axle Support

Installing the Front Axle Support

Group 05: Main Frame

Specifications

Recondition the Main Frame (with or without TLS front-wheel drive axle)

Group 10: Front Axle

Special or Essential Tools

Specifications

Front Axle - Reconditioning (Summary of References)

Removing the Front Axle

Reconditioning the Front Axle

Installing the Front Axle

Checking and Adjusting Toe-In

Group 15: Front Wheels, Rear Wheels and Fenders

Front Wheels, Rear Wheels and Fenders - Reconditioning (Summary of References)

Special or Essential Tools

Specifications

Pivoting Front Fender

Removing the Front and Rear Wheels

Reconditioning the Front and Rear Wheels

Installing the Front and Rear Wheels

Group 20: Trailer Mounting and Swinging Drawbar

Tightening Torque On Center Link Bracket

Tightening Torques On Swinging Drawbar

Tightening Torques On High-Clearance Drawbar

Adjusting the High-Clearance Drawbar

Adjusting the Retaining Strap

Group 25: Triple Link Suspension (TLS) of Front-Wheel Drive Axle

Triple Link Suspension (TLS) of FWD Axle (Summary of References)

Special or Essential Tools

Other Material

Specifications

Relieving Pressure in the Hydraulic System

Removing/Installing the Oscillation Limiter

Removing the Panhard Link

Installing the Panhard Link

Removing and Installing the Sensor Rod

Removing the Position Sensor

Reconditioning the Position Sensor

Installing the Position Sensor

Removing the Hydraulic Cylinder

Repairing the Hydraulic Cylinder

Installing the Hydraulic Cylinder

Removing the Control Valve Block

Repairing the Valves in the Control Valve Block

Installing the Control Valve Block

Removing the Accumulator

Reconditioning the Accumulator

Installing the Accumulator

Removing and Reconditioning the Bearing Support

Installing the bearing support

Section 90: OPERATOR'S CAB

Group 00: Installing and Removing Components

Special Tools

Dealer-Fabricated Special Tools

Specifications

Operator's Cab / Open Station, Tilting or Removing and Installing

Tilting the Operator's Cab Upward

Tilting the Operator's Cab Downward

Removing the Operator's Cab

Installing the Operator's Cab

Removing the Open Operator's Station

Installing the Open Operator's Station

Checking and Adjusting the Shift Mechanisms/Linkages

Group 05: Controls and Instruments

Controls and Instruments (Summary of References)

Replacing Bulbs on the Instrument Unit

Removing Control Unit

Removing Control Unit for the Lighting System

Instructions when Replacing a Control Unit

Replacing the UIM Control Unit

Replacing a VTI Display

Replacing a BCU Control Unit

Replacing a BCU Control Unit (Tractors without Cab)

Replacing a TCU Control Unit

Replacing an SFA Control Unit

Replacing an SIC Control Unit

Replacing an ECU Control Unit

Replacing an ECU Control Unit (Tractors without Cab)

Replacing an UIC/PLC Control Unit

Replacing the Terminating Resistors

Replacing the Performance Monitor (PRF)

Replace the Basic Informator (BIF)

Replacing Instrument Unit (Tractors without Cab)

Replace Operation Unit

Group 10: Air Conditioning System

Air-Conditioning System (Summary of References)

Special or Essential Tools

Specifications

Torques for Tightening Refrigerant Hoses

Safety At Work

Handling Refrigerant

In an Emergency

Safety Equipment

Storage of Refrigerant Containers

R134A Refrigerant

Important Note

Other Materials Specifications

Lay-Out of Refrigerant Hoses

Discharging the Air-Conditioning System

Evacuating the Air-Conditioning System

Filling with Refrigerant Oil

Instructions for Starting Up the DENSO Air-Conditioning Compressor

Charging the Air-Conditioning System

Leak Test

Removing the Compressor

Checking Level in the Compressor

Disassembling the Compressor Clutch

Checking Clutch Hub Clearance

Checking the Compressor Manifold

Installing the Compressor

Removing and Installing the Condenser

Removing and Installing the Receiver-Drier

Removing and Installing the Evaporator and Expansion Valve

Replacing the Expansion Valve

Installing Condensation Water Drain Hoses

Removing and Installing the Thermostat Switch

Adjusting Thermostat Switch Bowden Cables

Removing and Installing the High/Low Pressure Switch

Group 11: ClimaTrak

ClimaTrak - Summary of References

Removing and Installing the ATC Controller (ClimaTrak)

Removing and Installing the Driver Unit for Fan Motor (A59)

Removing and Installing the Sending Unit for Ambient Temperature (Front) (B125)

Removing and Installing the Sending Unit for Ambient Temperature (Rear) (B126)

Removing and Installing the Sending Unit for Inside Air Temperature (B127)

Removing and Installing the Sending Unit for Actual Outlet Air Temperature (B128)

Removing and Installing the Sending Unit for Evaporator Core Temperature (B129)

Removing and Installing Sending Unit for Refrigerant Pressure (B130)

Water Valve (B131) Removal and Installation

Mode Control for Position of Air Distribution Flaps (B132), Removal and Installation

Remove and Install the Defog sensor (B143)

Group 15: Heating System

Heating System (Summary of References)

Removal and Installation of Components

Adjusting Air Flow Bowden Cables

Group 20: Seats

Seats (Summary of References)

Specifications

Exploded View of Comfort Seat MSG44-A1

Super Comfort Seat MSG83

Comfort Seat MSG85

Air comfort seat MSG95, lower section

Exploded View of the Instructional Seat

Group 25: Operator's Cab

Operator's Cab (Summary of References)

Removing Cab Frame

Torques for Hardware on Platform Mounting (2-Post ROPS, Standard Version)

Cab Mounting Torques

Removing the Outer Roof

Removing and Installing the Windshield

Removing and Installing the Rear Window

Removal and Installation of Panoramic Windshield

Installing Door Lock

Adjusting Windshield and Rear Window Contact Pressure

Operator's Cab Door Removal and Installation

Roller Sun-Visor Removal and Installation

Removing Inner Roof Trim

Group 26: Low-Clearance Cab

Low-Clearance Cab (Summary of References)

Special Tools

Specifications

Removing the Cab Frame

Removal and installation of Cab Mountings

Removing Outer Roof

Remove Windshield

Install Windshield

Removing the Rear Window

Installing the Rear Window

Installing the Outer Roof

Removing Cab Frame Trim Panel and Speaker Panel

Removing the Cab Door

Installing the Cab Door

Replacing the Rear-View Mirror

Installing and Adjusting the Door Lock

Removing the Upper and Lower Side Panels From the Cab Door

Installing the Upper and Lower Side Panels In the Cab Door

Group 30: Cab Suspension

Cab Suspension - Summary of References

Important Instructions

Specifications

Relieving Hydraulic System Pressure

Installing and Removing the Cab Suspension Shields

Removing and Installing the Sensor Rod

Adjusting the Sensor Rod

Removing the Position Sensor

Reconditioning the Position Sensor

Installing the Position Sensor

Removing the Accumulator

Reconditioning the Accumulator

Installing the Accumulator

Removing Hydraulic Cylinder

Installing Hydraulic Cylinder

Removing the Control Valve Block

Reconditioning the Valves in the Control Valve Block

Installing the Control Valve Block

Panhard Link Removal and Installation

Bleeding Cab Suspension Hydraulic Cylinders

Section 99: Special Tools (Dealer-Fabricated)

Group 05: Special Tools (Dealer-Fabricated)

DFLX2 - Suspension Device

DFLX3 – Suspension Device for PowrQuad Module

Lifting Device for Low Clearance Cab

DFLX13 - Holding Device

Suspension Eyes for Operator's Cab

Holding Device

Holding Tool

DFLX16 - Wooden Block

DFRW79 – Piston Holding Tool

DFLX22 – Socket Wrench Insert

DFLX24 - Seal Installer

DFLX25 – Driver

DFLX17 - Assembly and Guide Mandrels

Turning Device

Bushing

DFLX27 – Driver

DFLX23 – Socket Wrench Insert

DFLX21 - Special Wrench

Group 10: Special Tools (available from the dealer)

D01042AA – Load-Positioning Sling

D05007ST – Tractor Splitting Stand

JDE83 – Flywheel Turning Tool

JDG19 – Special Mounting Brackets

JDG18 - Snap Ring Tool

JDG23 – Lifting Sling

JDG749 - 1.30 m (52 in.) Torque Extension

JDG750 – Swivel Socket

JDG820 – Flywheel Turning Tool

JT05723 – Medium-Duty Rear Tractor Splitting Stand

JT05724 – Medium-Duty Front Tractor Splitting Stand

JT05725 – Universal Support Stand

JT02044 – Support Stand

KJD10173 – Shaft Puller

KJD10178B – Cab Tilting Device (NA)

KJD10169 - Special Puller

KJD10293 – Disconnecting Tool

John Deere Tractor 6120, 6220, 6320, 6420, 6120L, 6220L, 6320L, 6420L, 6520L Repair Service Manual (TM4647)