
John Deere 7220 7320 7420 7520 Tractors Repair Manual TM2070
The John Deere 7220 7320 7420 7520 Tractors Repair Manual provides detailed repair information covering general information, engine, fuel, air intake, heating, exhaust, and electrical equipment. It includes AutoPowr/IVT and PowrQuad/PowrQuad Plus transmission information for the specified models, along with drive systems, steering, brakes, and hydraulic systems. The manual also covers miscellaneous components, the operator’s cab, controls, air conditioning, heating, seats, cab suspension, and electronic hitch control components. Special dealer-fabricated tools are also included.
Specifications:
- Brand: John Deere 7000 Series Tractors
- Type of Document: Repair Manual
- Type of Equipment: Tractor
- Model: 7220, 7320, 7420, 7520
- Manual Number: TM2070
- Language: English
- Format: PDF
Details:
Table of Contents
Introduction
- Foreword
- Notice To The Dealer
- Dealer Predelivery Information Form
Safety
- Safety Information
General information
- Specifications
- Tune-Up
- Inspection Before Delivery
Engine
- Installing And Removing Components
Fuel, Air Intake, Heating, Exhaust System
- Speed Control
- Fuel System
- Air Intake System
- Heating System
- Cold-Weather Starting Aid
- Exhaust System
Electrical Equipment
- Electrical Connectors
- Wiring Harnesses
- Charging Current Circuit
- Starting Circuit Current
- Fuses, Relays, And Connectors
- Monitoring Systems
- Electrical Components
AutoPowr/IVT Transmission (7420, 7520)
- Removing And Installing AutoPowr/IVT Transmission
- Transmission Shifting Mechanisms
- Input Housing
- Output Housing
- Assemble Intermediate Shaft
AutoPowr/IVT Transmission (7320)
- Removing and Installing the AutoPowr/IVT Transmission
- Transmission Shift Controls
- Input Housing
- Output Housing
- Assembling the Differential Drive Shaft
PowrQuad And Powrquad Plus Transmissions (7420, 7520)
- Install And Remove Components
- Transmission Shifting Mechanisms
- PowrQuad Module
- Creeper Transmission
- Range Transmission
PowrQuad And Powrquad Plus Transmissions (7220, 7320)
- Removal and Installation of Components
- Transmission Shift Controls
- PowrQuad Module
- Creeper Transmission
- Option Transmission
- Range Transmission
Drive Systems (7420, 7520)
- Removal and Installation of Components
- Universal Joint Shaft And Torsion Damper
- FWD Clutch
- Differential
- Hydraulic Pump Drive
- Final Drives
- Hi-Crop Final Drive (7420)
- Hi-Crop MFWD (7420)
- Rear PTO
Drive Systems (7220, 7320)
- Removal and Installation of Components
- U-Jointed Shafts and Torsion Damper
- Front-Wheel Drive Clutch
- Differential
- Hydraulic Pump Drive
- Final Drives
- Rear PTO Options
- Front PTO
Steering And Brakes
- Hydrostatic Steering
- Brake Valve
- Rear Wheel Brakes
Hydraulic System
- Control Elements
- Hydraulic Pump And Charge Pump
- Valves
- Rockshaft (7420, 7520)
- Rockshaft (7220, 7320)
- Additional Control Units And Reception Couplings
- Independent Control Valve
Miscellaneous
- Remove And Install Components
- Main Frame (7420, 7520)
- Main Frame (7220, 7320)
- Front And Rear Wheels
- Axle Suspension Of TLS Front Wheel Drive Axle
Operator’s Cab
- Installing And Removing Components
- Controls And Instruments
- Air Conditioning System
- Heating System
- Seats
- Operator’s Cab
- Components Of The Electronic Hitch Control
- Cab Suspension
Special tools (dealer- fabricated)
- Special tools (dealer- fabricated)




