John Deere Tractors 3120 3320 3520 3720 Factory Service Repair Technical Manual + Wirings

John Deere Tractors 3120 3320 3520 3720 Factory Service Repair Technical Manual + Wirings

 

These are the same manuals used by professionals to diagnose and repair these models.   

Loaded with illustrations, instructions, photos, and diagrams, complete to service and repair your John Deere. 

1849 pages

 

CD COVER:

3120, 3320, 3520, 3720 Compact Utility Tractors

 

 

SERVICE MANUAL COVER:

FOREWORD

Section 10 – SAFETY
Group 05 – Safety

Section 20 – SPECIFICATIONS AND INFORMATION
Group 05 – General Specifications
Group 10 – Fuel and Lubricants
Group 15 – Serial Number Locations

Section 30 – ENGINE
Group 05 – Specifications
Group 10 – Component Location
Group 15 – Theory of Operation
Group 20 – Diagnostics
Group 25 – Tests and Adjustments
Group 30 – Repair

Section 40 – ELECTRICAL—NA
Group 05 – General Information
Group 10 – Specifications
Group 15 – Component Location
Group 20 – Schematics and Harnesses
Group 25 – Schematics and Harnesses MY08
Group 30 – Schematics and Harnesses MY13
Group 35 – Common Schematics and Harnesses
Group 40 – Operation and Diagnostics
Group 45 – Tests and Adjustments
Group 50 – Display Panel Tests and Adjustments
Group 55 – SERVICEGARD™ Tests and Adjustments
Group 60 – Service ADVISOR™ Test and Adjustments
Group 65 – Repair

Section 50 – ELECTRICAL—EEC
Group 05 – Specifications
Group 10 – Component Location
Group 15 – Schematics and Harnesses
Group 20 – Schematics and Harnesses MY08
Group 25 – Schematics and Harnesses—MY13
Group 30 – Common Schematics and Harnesses
Group 35 – Troubleshooting
Group 40 – Operation and Diagnostics

Section 60 – POWER TRAIN—PRT
Group 05 – Specifications
Group 10 – Component Location
Group 15 – Theory of Operation
Group 20 – Diagnostics
Group 25 – Troubleshooting
Group 30 – Tests and Adjustments
Group 35 – Repair

Section 70 – POWER TRAIN—HYDROSTATIC
Group 05 – Specifications
Group 10 – Component Location
Group 15 – Schematics
Group 20 – Theory of Operation
Group 25 – Diagnostics
Group 30 – Troubleshooting
Group 35 – Tests and Adjustments
Group 40 – Repair

Section 80 – POWER TRAIN—FINAL DRIVE
Group 05 – Specifications
Group 10 – Component Location
Group 15 – Theory of Operation
Group 20 – Diagnostics
Group 25 – Troubleshooting
Group 30 – Final Drive Troubleshooting
Group 35 – Tests and Adjustments
Group 40 – Repair
Group 45 – PTO Theory of Operation
Group 50 – PTO Repair

Section 90 – HYDRAULICS
Group 05 – Specifications
Group 10 – Component Location
Group 15 – Schematics
Group 20 – Theory of Operation
Group 25 – Diagnostics
Group 30 – Tests and Adjustments
Group 35 – Repair

Section 100 – STEERING
Group 05 – Specifications
Group 10 – Component Location
Group 15 – Theory of Operation
Group 20 – Diagnostics
Group 25 – Tests and Adjustments
Group 30 – Repair

Section 110 – BRAKES
Group 05 – Specifications
Group 10 – Component Location
Group 15 – Theory of Operation
Group 20 – Diagnostics
Group 25 – Tests and Adjustments
Group 30 – Repair

Section 120 – MISCELLANEOUS
Group 05 – Specifications
Group 10 – Repair

WIRING DIAGRAMS

 

 

This manual is the same as the manual used by workshops. Service Manual contains detailed instructions and step by step diagrams for all workshop procedures.

 Language: English 
Format: PDF – Indexed and Searchable

COMPATIBLE WITH ALL WINDOWS & MAC COMPUTERS 
(WINDOWS 11, WINDOWS 10, WINDOWS 8, ETC.) 

Windows/Mac/Tablet/Phone Friendly