John Deere 3120 3320 3520 3720 Compact Utility Tractor Workshop Repair Service Manual PDF (TM2138) - MJODTM2138.zip
John Deere 3120, 3320, 3520, 3720 Compact Utility Tractors Service Technical Manual (TM2138)
tm2138 - Repair and Service Manual for 3120, 3320, 3520, and 3720 Compact Utility Tractors.pdf
All Inclusive Diagnostics & Repair Service Technical Manual with Electrical Wiring Diagrams for John Deere 3120, 3320, 3520, 3720 Compact Utility Tractors, with all the shop information to maintain, diagnostic, repair, service like professional mechanics.
John Deere Compact Utility Tractors Models 3120, 3320, 3520 and 3720 workshop diagnosis operation tests repair service manual 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.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* 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.
Total Pages: 2,752 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS
Foreword
Safety
Safety
Specifications and Information
General Specifications
Fuel and Lubricants
Serial Number Locations
Engine
Specifications
Component Location
Theory of Operation
Diagnostics
Tests and Adjustments
Repair
Electrical-NA
General Information
Specifications
Component Location
Schematics and Harnesses
Schematics and Harnesses MY08
Schematics and Harnesses MY13
Common Schematics and Harnesses
Operation and Diagnostics
Tests and Adjustments
Display Panel Tests and Adjustments
SERVICEGARD™ Tests and Adjustments
Service ADVISOR™ Test and Adjustments
Repair
Electrical-EEC
Specifications
Component Location
Schematics and Harnesses
Schematics and Harnesses MY08
Schematics and Harnesses-MY13
Common Schematics and Harnesses
Troubleshooting
Operation and Diagnostics
Power Train-PRT
Specifications
Component Location
Theory of Operation
Diagnostics
Troubleshooting
Tests and Adjustments
Repair
Power Train-Hydrostatic
Specifications
Component Location
Schematics
Theory of Operation
Diagnostics
Troubleshooting
Tests and Adjustments
Repair
Power Train-Final Drive
Specifications
Component Location
Theory of Operation
Diagnostics
Troubleshooting
Final Drive Troubleshooting
Tests and Adjustments
Repair
PTO Theory of Operation
PTO Repair
Hydraulics
Specifications
Component Location
Schematics
Theory of Operation
Diagnostics
Tests and Adjustments
Repair
Steering
Specifications
Component Location
Theory of Operation
Diagnostics
Tests and Adjustments
Repair
Brakes
Specifications
Component Location
Theory of Operation
Diagnostics
Tests and Adjustments
Repair
Miscellaneous
Specifications
Repair
tm2138 - 3120, 3320, 3520 and 3720 Compact Utility Tractors Repair Manual
Table of Contents
Foreword
Section 10: Safety
Group 05: Safety
Recognize Safety Information
Understand Signal Words
Replace Safety Signs
Handle Fluids Safely—Avoid Fires
Prepare for Emergencies
Prevent Battery Explosions
Prevent Acid Burns
Wear Protective Clothing
Avoid High-Pressure Fluids
Avoid Heating Near Pressurized Fluid Lines
Service Machines Safely
Use Proper Tools
Park Machine Safely
Support Machine Properly
Use Proper Lifting Equipment
Work in Clean Area
Protect Against High Pressure Spray
Illuminate Work Area Safely
Work In Ventilated Area
Remove Paint Before Welding or Heating
Avoid Harmful Asbestos Dust
Service Tires Safely
Stay Clear of Rotating Drivelines
Service Cooling System Safely
Dispose of Waste Properly
Handle Chemical Products Safely
Live With Safety
Section 20: Specifications and Information
Group 05: General Specifications
Metric Bolt and Screw Torque Values
Metric Cap Screw Torque Values—Grade 7
Unified Inch Bolt and Screw Torque Values
Gasket Sealant Application
Service Recommendations For Flat Face O-Ring Seal Fittings
Service Recommendations for O-Ring Boss Fittings
Group 10: Fuel and Lubricants
Diesel Fuel
Handling and Storing Diesel Fuel
Diesel Engine Oil
Diesel Engine Break-In Oil
Alternative and Synthetic Lubricants
Lubricant Storage
Mixing of Lubricants
Grease
Transmission and Hydraulic Oil
Heavy Duty Diesel Engine Coolant
Group 15: Serial Number Locations
Serial Numbers
Machine Product Identification Number
Engine and Turbocharger Serial Numbers
Section 30: Engine
Group 05: Specifications
General Specifications
Repair Specifications
Tests and Adjustment Specifications
Operational Tests
Torque Values, Non-Standard Fasteners
Special Tools
Other Materials
Group 10: Component Location
Air Cleaner and Intake Components
Turbocharge Components
Fuel Supply Components
Engine Throttle Components
Throttle Components—AutoHST
Group 15: Theory of Operation
Fuel System Operation
Cooling System Operation
Air Intake System
Turbocharger Operation
Lubrication System Operation
Group 20: Diagnostics
Engine Troubleshooting
Engine Oil Diagnostics
Excessive Fuel Consumption
Incorrect Manifold Pressure
Low Engine Compression
Engine Starting Problem
Engine Operation Poor
Engine Oil Pressure Low
Coolant Temperature Abnormal
Coolant in Oil or Oil in Coolant
Turbocharger Failure Analysis
Diagnostic Table
Check for Head Gasket Failures
Group 25: Tests and Adjustments
Check Air Intake System
Air Restriction Indicator Test
Check for Intake and Exhaust Restrictions
Fan/Alternator Drive Belt Adjustment
Throttle Rod Adjustment
Slow Idle Adjustment
Cylinder Compression Test
Valve Clearance Adjustment
Valve Lift Check
Radiator Bubble Test
Thermostat Opening Test
Radiator Pressure Cap Test
Cooling System Pressure Test
Engine Oil Pressure Test
Check for Excessive Engine Crankcase Pressure (Turbocharged Engines)
Fuel System Leakage Test
Bleed Fuel System
Fuel Supply Pump Pressure Test
Injection Pump Timing—EPA Engines
Fuel Injection Nozzle Test
Check for Exhaust Air Leaks (Turbocharger)
Turbocharger Oil Seal Leak Check
Turbocharger Waste Gate Test
Turbocharger Inspection
Crankshaft End Play Check
Timing Gear Backlash Check
Camshaft End Play Check
Connecting Rod Side Play Check
Connecting Rod Bearing Clearance Check
Crankshaft Main Bearing Clearance Check
Group 30: Repair
Glow Plug Removal and Installation (If Equipped)
Radiator Removal and Installation
Thermostat Removal and Installation
Water Pump Removal and Installation
Fuel Filter/Water Separator 3TNV
Secondary Fuel Filter 3TNV
Fuel Injection Pump
Fuel Injection Nozzles
Intake Manifold
Muffler Removal and Installation
Turbocharger Removal and Installation
Exhaust Manifold
Starting Motor Removal and Installation
Rocker Cover Removal and Installation
Engine Removal and Installation
Rocker Arm Assembly
Cylinder Head and Valves Removal and Installation
Cylinder Head and Valves Disassembly and Assembly
Valve Seats
Valve Recession
Valve Guides
Valve Springs
Grind Valve Seats
Lap Valves
Measure Piston-To-Cylinder Head Clearance
Piston and Connecting Rod
Piston Inspection
Cylinder Bore
Crankshaft Front Oil Seal
Crankshaft Rear Oil Seal
Crankshaft and Main Bearings
Flywheel and Coupling
Camshaft
Camshaft Followers
Timing Gear Cover
Idler Gear
Timing Gear Cover Mounting Plate
Oil Pan and Crankcase Housing Extension
Oil Pump (Engines 3TNV8x-JT, -MJT)
Oil Pump (Engines 3TNV8x-BJT, -BMJT, -BXJT)
Section 40: Electrical—NA
Group 05: General Information
Reading Electrical Schematics
Theory Of Operation Information
Diagnostic Information
Wire Color Abbreviation Chart
Common Circuit Tests
Conductors For 12 Volt Circuits
Group 10: Specifications
System Specifications
Essential or Recommended Tools
Other Materials
Group 15: Component Location
Load Center
Load Center—MY13
Display Panel
Display Panel—MY13
Group 20: Schematics and Harnesses
Main Schematic and Wiring Harness Legend—PRT and eHydro™
eHydro™—Schematic and Wiring Harness Legend
W1 Main Wiring Schematic—PRT and eHydro™ (Pre MY08)
W1 Main Wiring Harness—PRT and eHydro™ (Pre MY08)
W1 Main Wiring Harness Color Codes—PRT and eHydro™ (Pre MY08)
Load Center—PRT and eHydro™
W1 Main Wiring Harness Component Location—PRT, eHydro™, and Auto HST
W9 eHydro™ and Cruise Control Electrical Schematic (1 of 2)—Pre MY08
W9 eHydro™ Wiring Harness—Pre MY08
W9 eHydro™ Wiring Harness Component Location—Pre MY08
W9 eHydro™ Wiring Harness Color Codes—Pre MY08
W28 3rd, 4th and 5th Function Wiring Harness Color Codes (SN 710001— )
W28 3rd, 4th and 5th Function Wiring Harness (SN 710001— )
W28 3rd, 4th and 5th Function Wiring Schematic (SN 710001— )