John Deere Compact Utility Tractors Models 4120, 4320, 4520, 4720 Diagnostic & Repair Service Technical Manual (TM2137)

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Price: US$ 59.00

All Inclusive Technical Manual with Electrical Wiring Diagrams for John Deere Compact Utility Tractors Models 4120 (SN.120101-610000), 4320 (SN. 130101-620000), 4520 (SN. 150101-650000), 4720 (SN. 170101-670000) (without Cab) , with all the service information to maintain, diagnose, and rebuild like professional mechanics.

John Deere Compact Utility Tractors 4120, 4320, 4520, 4720 without Cab 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.

tm2137 - Compact Utility Tractors 4120 PIN (120101-610000), 4320 PIN (130101-620000), 4520 PIN (150101-650000), 4720 PIN (170101-670000) (Without Cab).pdf
tm2137 - Compact Utility Tractors 4120 PIN (120101-610000), 4320 PIN (130101-620000), 4520 PIN (150101-650000), 4720 PIN (170101-670000) (Without Cab).epub

Total Pages: 1,710 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English

MAIN SECTIONS
   Manual Description
   Safety
   Specifications & Information
   Engine - Diesel
   Electrical
   Electrical - European
   Power Train - PRT
   Power Train - Hydrostatic
   Power Train - Final Drive
   Hydraulics
   Steering
   Brakes
   Miscellaneous

tm2137 - Compact Utility Tractors 4120 PIN (120101-610000), 4320 PIN (130101-620000), 4520 PIN (150101-650000), 4720 PIN (170101-670000) (Without Cab)

Table of Contents

Manual Description

Section : Safety

Group : Safety

Recognize Safety Information

Understand Signal Words

Replace Safety Signs

Handle Fluids Safely - Avoid Fires

Use Care In Handling and Servicing Batteries

Prevent Battery Explosions

Prevent Acid Burns

Wear Protective Clothing

Use Care Around High-pressure Fluid Lines

Service Machines Safely

Use Proper Tools

Park Machine Safely

Support Machine Properly and Use Proper Lifting Equipment

Work In Clean Area

Using High Pressure Washers

Illuminate Work Area Safely

Work In Ventilated Area

Warning: California Proposition 65 Warning

Remove Paint Before Welding or Heating

Avoid Harmful Asbestos Dust

Service Tires Safely

Avoid Injury From Rotating Blades, Augers and PTO Shafts

Service Cooling System Safely

Dispose Of Waste Properly

Handle Chemical Products Safely

Live With Safety

Section : Specifications & Information

Group : General Specifications

Metric Fastener Torque Values

Metric Fastener Torque Values—Grade 7

Inch Fastener Torque Values

Gasket Sealant Application

Group : O-Ring Seal Service Recommendations

Face Seal Fittings with Inch Stud Ends Torque

Face Seal Fittings with Metric Stud Ends Torque

O-Ring Face Seal Fittings

O-Ring Boss Fittings

Group : Fuels and Lubricants

Diesel Fuel Specifications

Diesel Fuel Lubricity

Diesel Fuel Storage

Engine Oil

Engine Break–in Oil

Alternative Lubricants

Synthetic Lubricants

Lubricant Storage

Mixing Of Lubricants

Chassis Grease

Transaxle Oil

Group : Coolant Specifications

Engine Coolant

Engine Coolant Drain Interval

Group : Serial Number Locations

Machine Product Identification Number

Engine and Turbocharger Serial Numbers

Section : Engine - Diesel

Group : Specifications

Engine Specifications

Cylinder Head and Valves Specifications

Cylinder Block, Pistons, and Rods Specifications

Crankshaft, Main Bearings, and Flywheel Specifications

Camshaft, Balancer Shafts and Timing Gear Train Specifications

Lubrication System Specifications

Cooling System Specifications

Air Intake and Exhaust System Specifications

Starting and Charging Systems Specifications

Fuel System

Engine Mounting Specifications

Group : Tools and Materials

Engine Rebuild Essential Tools

Engine Rebuild Service Equipment and Tools

Cylinder Head and Valves Essential Tools

Cylinder Head and Valves Other Materials

Cylinder Block, Pistons, and Rods Essential Tools

Crankshaft, Main Bearings and Flywheel Essential Tools

Crankshaft, Main Bearings and Flywheel Service Equipment and Tools

Crankshaft, Main Bearings and Flywheel Other Materials

Camshaft and Timing Gear Train Essential Tools

Lubrication System Essential Tools

Base Engine Diagnostic Tools

Fuel System Observable Diagnostic Tools

Group : Theory of Operation

General Engine Operation

Lubrication System Operation

Coolant System Operation

Air Intake and Exhaust System Operation

Air Cleaner Operation

Turbocharger Operation

Turbocharger Lubrication

Group : Theory of Operation (Air and Fuel)

Fuel System Operation

Fuel Supply Pump

Fuel Filter/Water Separator Operation

Governor Operation

Integrated Fuel System (IFS) Operation

Light Load and Speed Advance Operation

Cold Start Advance Operation

Glow Plug Cold Start Aid Operation

Group : Diagnostics

About This Group of the Manual

Guideline for Acceptable Oil Consumption

L1 - Excessive Oil Consumption

L2 - Engine Oil Pressure Low

L3 - Engine Oil Pressure High

C1 - Coolant Temperature Above Normal

C2 - Coolant Temperature Below Normal

C3 - Coolant in Oil or Oil in Coolant

E1 - Engine Cranks/Won’t Start

E2 - Engine Misfires/Runs Irregularly

E3 - Engine Does Not Develop Full Power

E4 - Excessive White Exhaust Smoke

E5 - Excessive Black Or Gray Exhaust Smoke

E6 - Engine Will Not Crank

E7 - Engine Idles Poorly

E8 - Abnormal Engine Noise

F1 - Fuel Supply System Check

F2 - Excessive Fuel Consumption

F3 - Fuel in Oil

Group : Tests and Adjustments

Test Engine Compression Pressure

Test Engine Cranking Speed

Dynamometer Test

Engine Oil Consumption

Check Engine Oil Pressure

Check for Excessive Engine Crankcase Pressure (Blow-By)

Check for Turbocharger Oil Seal Leak

Inspect Thermostat and Test Opening Temperature

Pressure Test Cooling System and Radiator Cap

Check for Head Gasket Failures

Check and Service Cooling System

Check Air Intake System

Measure Intake Manifold Pressure (Turbocharger Boost)

Check for Intake and Exhaust Restrictions

Test for Intake Air Leaks

Check for Exhaust Air Leaks (Turbocharger)

Glow Plug Operation

Cylinder Misfire Test

Check Fuel Supply Quality

Test for Fuel Drain Back

Test Air in Fuel

Bleed Fuel System

Measure Fuel Transfer Pump Pressure

Bench Test Fuel Transfer Pump

Check Cold Start Advance Operation

Check Fuel Shut-Off Solenoid Operation

Check and Adjust Fast Idle Speed

Check and Adjust Slow Idle Speed

Group : Repair

Engine Removal and Installation

Engine Disassembly Sequence

Engine Assembly Sequence

Engine Break-In Guidelines

Perform Engine Break-In

Group : Cylinder Head and Valves

Cylinder Head - Exploded View

Remove Rocker Arm Cover

Remove Cylinder Head

Disassemble and Inspect Rocker Arm Assembly

Inspect, Remove, and Install Glow Plugs and Wire Harness

Measure Valve Recess in Cylinder Head

Preliminary Cylinder Head and Valve Checks

Remove Valve Assembly

Inspect and Measure Valve Springs

Clean Valves

Inspect and Measure Valves

Grind Valves

Head Gasket Inspection and Repair Sequence

Inspect and Clean Cylinder Head

Check Cylinder Head Flatness

Knurl Valve Guides

Clean and Inspect Valve Seats

Grind Valve Seats

Install Valves

Inspect and Clean Exhaust Manifold

Install Cylinder Head

Install Rocker Arm Assembly

Group : Cylinder Block, Pistons, and Rods

Connecting Rods - General Information

Preliminary Cylinder Block, Pistons, and Rod Checks

Remove Pistons and Connecting Rod Assembly

Disassemble Piston and Rod Assembly

Clean Pistons

Visually Inspect Pistons

Check Piston Ring Groove Wear

Measure Piston Pin Bore

Measure Piston Skirt

Determine Piston-to-Cylinder Bore Clearance

Deglaze Cylinder Bores

Inspect and Measure Connecting Rod Bearings (Rods Removed from Engine)

Inspect and Measure Connecting Rod Bearings (Rod & Crankshaft in Engine)

Inspect Rod and Cap

Inspect Piston Pins and Bushings

Measure Rod Center-to-Center Bores

Inspect and Clean Cylinder Block

Measure Cylinder Block Main Bearing Bore

Measure Camshaft Follower Machined Bore

Measure Camshaft Bushing Bores in Block

Inspect and Measure Cylinder Bore

Measure Cylinder Block Top Deck Flatness

Remove, Inspect, and Install Piston Cooling Orifices

Assemble Piston and Connecting Rod

Install Piston Rings

Install Piston and Connecting Rod Assembly

Torque-Turn Connecting Rod Cap Screws

Check Engine Rotation for Excessive Tightness

Measure Piston Protrusion

Complete Final Assembly

Group : Crankshaft, Main Bearings and Flywheel

Crankshaft and Main Bearing Failure Analysis

Remove Crankshaft Pulley

Inspect Pulley and Wear Sleeve

Replace Front Crankshaft Oil Seal (Without Removing Timing Gear Cover)

Install Crankshaft Pulley

Check Crankshaft End Play

Check Flywheel Face Flatness

Check Pilot Bearing Bore Concentricity

Remove Flywheel

Replace Flywheel Ring Gear

Remove Flywheel Housing

Remove Crankshaft Rear Oil Seal and Housing

Clean and Inspect Crankshaft Flange

Install Crankshaft Rear Oil Seal Housing

Install Crankshaft Rear Oil Seal

Remove Crankshaft Main Bearings

Check Main Bearing Oil Clearance

Remove Crankshaft

Inspect Crankshaft

Measure Crankshaft Journals and Main Bearing ID

Measure Main Thrust Journal Width and Thrust Washers

Measure Assembled ID of Main Bearing Caps

Install Main Bearings, Thrust Washers and Crankshaft

Install Flywheel Housing

Install Flywheel

Group : Camshaft, Balancer Shafts and Timing Gear Train

Remove Timing Gear Cover

Remove Balancer Shafts

Inspect and Measure Balancer Shaft Bushings and Journals

Inspect Balancer Shaft Gears and Thrust Plates

Remove, Inspect and Install Balancer Idler Gears and Shafts

Measure Idler Gear Bushing and Shaft

Remove Balancer Bushings

Install Balancer Bushings

Install Balancer Shafts

Remove Governor Assembly and Camshaft Drive Gear

Remove Camshaft

Visually Inspect Camshaft

Inspect and Measure Camshaft Bushing ID and Journal OD

Remove and Install Camshaft Bushings

Measure Camshaft Lobe Height

Inspect Camshaft Followers

Install Camshaft

Install and Time Camshaft Drive Gear

Install Governor Assembly

Clean and Inspect Timing Gear Cover

Install Timing Gear Cover

Group : Lubrication System

General Lubrication System Information

Remove Oil Cooler

Install Oil Cooler

Remove and Install Oil Pan

Remove and Install Oil Pressure Regulating Valve

Remove, Inspect, and Install Oil Pick-up Tube Assembly

Remove, Inspect and Install Oil Pump

Remove and Install Oil Dipstick Tube with Oil Pan Installed

Group : Cooling System

Remove and Install Thermostat

Test Thermostat

Replacing Fan and Alternator Belt

Remove and Install Automatic (Spring) Belt Tensioner

Checking Belt Tensioner Spring Tension and Belt Wear (Automatic Tensioner)

Remove Coolant Pump

Inspect and Clean Coolant Pump Parts

Install Coolant Pump

Cooling System Deaeration

Inspect and Install Fan Assembly

Remove Fan Bearing

Install Fan Bearing

Group : Air Intake and Exhaust System

Extending Turbocharger Life

Remove Turbocharger

Turbocharger Failure Analysis

Turbocharger Inspection

Repair Turbocharger

Prelube Turbocharger

Install Turbocharger

Remove, Inspect, and Install Exhaust Manifold

Remove, Inspect, and Install Intake Manifold

Group : Fuel System

Remove and Install Fuel Supply Pump

Remove and Inspect Integrated Fuel System (IFS)

Install Integrated Fuel System (IFS)

Remove and Install Fuel Rail Check Valve

Remove and Install Governor Lever Assembly

Remove and Install Throttle Control Assembly

Remove and Install Full Load Stop Screw

Remove and Install Idle Bias Adjustment Screw

Remove and Install Fuel Shut-Off Solenoid

Remove and Install Aneroid

Group : Starting and Charging Systems

Remove and Install Starter

Remove and Install Alternator

Section : Electrical

Group : General Information

Reading Electrical Schematics

Theory Of Operation Information

Diagnostic Information

Wire Color Abbreviation Chart

Common Circuit Tests

Conductors For 12 Volt Circuits

Group : Specifications

System Specifications

Tools

Other Materials

Group : Component Location

Main Machine

Load Center

Display Panel

Group : Schematics and Harnesses

Main Schematic and Wiring Harness Legend - PRT and eHydro

eHydro - Schematic and Wiring Harness Legend

W1 Main Electrical Schematic

W9 eHydro and Cruise Control Electrical Schematic (1 of 2)

W1 Main Wiring Harness

W1 Main Wiring Harness Color Codes

W2 Headlight Wiring Harness

W2 Headlight Wiring Harness Color Codes

W3 and W4 Jumper Plug

W7 Right Rear Lights Wiring Harness

W7 Right Rear Lights Wiring Harness Color Codes

W8 Left Rear Lights Wiring Harness

W8 Left Rear Lights Wiring Harness Color Codes

W9 eHydro Wiring Harness

W9 eHydro Wiring Harness Color Codes

W10 Proportional Valve Wiring Harness

W10 Proportional Valve Wiring Harness Color Codes

W11 Cruise Control Wiring Harness (standard)

W11 eHydro Cruise Control Wiring Harness Color Codes (standard)

W12 Cruise Control Wiring Harness (optional)

W12 eHydro Cruise Control Wiring Harness Color Codes (optional)

Group : Troubleshooting

Display Panel Fault Codes

Display Panel Fault Code Chart

Group : Operation and Diagnostics

Power Circuit Operation

Power Circuit Electrical Schematic - W1 PRT and eHydro

Power Circuit Electrical Schematic - W9 eHydro

Power Circuit Diagnosis

Cranking Circuit Operation

Cranking Circuit Electrical Schematic

Cranking Circuit Diagnosis

Glow Plug and Light Circuit Operation

Glow Plug and Light Circuit Electrical Schematic

Glow Plug and Light Circuit Diagnosis

Fuel Supply/Engine Shutoff Circuit Operation

Fuel Supply/Engine Shutoff Circuit Electrical Schematic

Fuel Supply/Engine Shutoff Circuit Diagnosis

Charging Circuit Operation

Tachometer Circuit Operation

Hour Meter Circuit Operation

Charging, Tachometer and Hour Meter Circuit Electrical Schematic

Charging, Tachometer and Hour Meter Circuit Diagnosis

Rear PTO Circuit Operation

Rear PTO Circuit Electrical Schematic

Rear PTO Circuit Diagnosis

MFWD Circuit Operation

MFWD Circuit Electrical Schematic

MFWD Circuit Diagnosis

Light Circuit Operation

Lights Circuit Electrical Schematic

Lights Circuit Diagnosis

Turn Signal Lights Circuit Operation

Turn Signal Lights Circuit Electrical Schematic

Turn Signal Lights Circuit Diagnosis

Display Panel Operation

Display Panel Diagnosis

Display Mode Switch Circuit Operation

Display Mode Switch Circuit Electrical Schematic

Display Mode Switch Circuit Diagnosis

eHydro - eMatchOS Electronic Drive Controller

eHydro - Forward Drive Circuit Operation

eHydro - Forward Drive Circuit Electrical Schematic

eHydro - Forward Drive Circuit Diagnosis

eHydro - Reverse Drive Circuit Operation

eHydro - Reverse Drive Circuit Electrical Schematic

eHydro - Reverse Drive Circuit Diagnosis

eHydro - Cruise Control Circuit Operation (standard)

eHydro - Cruise Control Circuit Electrical Schematic (standard)

eHydro - Cruise Control Circuit Diagnosis (standard)

eHydro - Cruise Control Circuit Operation (optional)

eHydro - Cruise Control Circuit Electrical Schematic (optional)

eHydro - Cruise Control Circuit Diagnosis (optional)

eHydro - Load Match and Motion Match Circuit Operation

eHydro - Load Match and Motion Match Circuit Electrical Schematic

eHydro - Load Match and Motion Match Control Circuit Diagnosis

Group : Tests and Adjustments

Ground Circuit Test

Battery Voltage and Specific Gravity Test

Battery - Charge

Battery - Load Test

Alternator Regulated Voltage Test

Alternator Test and Inspection

Regulated Amperage and Voltage Test

Starting Motor Solenoid Test

Starting Motor Amperage Draw Test

Starting Motor No-Load Amperage Draw and RPM Test

Fuse Test

Glow Plug Test

Engine Coolant Temperature Sensor Test

Engine Oil Pressure Switch Test

Relay Test

Key Switch Test

Light Switch Test

Sensing Switch Test

Turn Signal Switch Test

Hazard Switch Test

Rear PTO Switch Test

Rear PTO Solenoid Test

Seat Switch Test

Cruise/Max Speed Switch Test - eHydro

Res/+, Set/- Switch Test - eHydro

Brake and Park Brake Switch Test

Air Filter Restriction Switch Test

Fuel Gauge Sensor Test

Fuel Shutoff Solenoid Test

Load Match Switch Test - eHydro

Motion Match Switch Test - eHydro

Display Mode Switch Test

Proportional Drive Solenoid Test - eHydro

Horn Switch Test

Configure the Display

Editing Tire Size Value

Editing Motion Match Settings - eHydro

Editing Load Match Settings - eHydro

Entering Diagnostic and Calibration Modes

eHydro - Electronic Drive Controller System Calibration

eHydro - Single Sensor Calibration

Test Kit

eHydro - Throttle Position Sensor Test and Adjustment

eHydro - Forward and Reverse Pedal Sensor Test and Adjustment

eHydro - MFWD Speed Sensor Test

Group : Repair

Throttle Position Sensor Removal and Installation

Electronic Drive Controller Removal and Installation

Alternator Removal and Installation

Alternator Disassembly and Assembly

Fuel Gauge Sensor Removal and Installation

Section : Electrical - European

Group : Specifications

System Specifications

Tools

Other Materials

Group : Component Location

Main Machine

Load Center

Display Panel

Group : Schematics and Harnesses

Main Schematic and Wiring Harness Legend - PRT and eHydro

eHydro - Schematic and Wiring Harness Legend

W1 Main Electrical Schematic (1 of 4)

W9 eHydro and Cruise Control Electrical Schematic (1 of 2)

W1 Main Wiring Harness

W1 Main Wiring Harness Color Codes

W2 Headlight/Horn Wiring Harness

W2 Headlight/Horn Wiring Harness Color Codes

W3 and W4 Jumper Plug

W7 Left Rear Lights Wiring Harness

W7 Left Rear Lights Wiring Harness Color Codes

W8 Right Rear Lights Wiring Harness

W8 Right Rear Lights Wiring Harness Color Codes

W9 eHydro Wiring Harness

W9 eHydro Wiring Harness Color Codes

W10 Proportional Valve Wiring Harness

W10 Proportional Valve Wiring Harness Color Codes

W11 Cruise Control Wiring Harness (standard)

W11 eHydro Cruise Control Wiring Harness Color Codes (standard)

W12 Cruise Control Wiring Harness (optional)

W12 eHydro Cruise Control Wiring Harness Color Codes (optional)

Group : Troubleshooting

Display Panel Fault Codes

Display Panel Fault Code Chart

Group : Operation and Diagnostics

Power Circuit Operation

Power Circuit Electrical Schematic - W1 PRT and eHydro

Power Circuit Electrical Schematic - W9 eHydro

Power Circuit Diagnosis

Cranking Circuit Operation

Cranking Circuit Electrical Schematic

Cranking Circuit Diagnosis

Glow Plug and Light Circuit Operation

Glow Plug and Light Circuit Electrical Schematic

Glow Plug and Light Circuit Diagnosis

Fuel Supply/Engine Shutoff Circuit Operation

Fuel Supply/Engine Shutoff Circuit Electrical Schematic

Fuel Supply/Engine Shutoff Circuit Diagnosis

Charge Circuit Operation

Tachometer Circuit Operation

Hour Meter Circuit Operation

Charge, Tachometer and Hour Meter Circuit Electrical Schematic

Charge, Tachometer and Hour Meter Circuit Diagnosis

Rear PTO Circuit Operation

Rear PTO Circuit Electrical Schematic

Rear PTO Circuit Diagnosis

MFWD Circuit Operation

MFWD Circuit Electrical Schematic

MFWD Circuit Diagnosis

Light Circuit Operation

Brake Lights Operation

Lights Circuit Electrical Schematic

Lights Circuit Diagnosis

Hazard Lights Circuit Operation

Hazard Lights Circuit Electrical Schematic

Hazard Lights Circuit Diagnosis

Turn Signal Lights Circuit Operation

Turn Signal Circuit Electrical Schematic

Turn Signal Lights Circuit Diagnosis

Display Panel Operation

Display Panel Diagnosis

Display Mode Switch Circuit Operation

Display Mode Switch Circuit Electrical Schematic

Display Mode Switch Circuit Diagnosis

eHydro - eMatchOS Electronic Drive Controller

eHydro - Forward Drive Circuit Operation

eHydro - Forward Drive Circuit Electrical Schematic

eHydro - Forward Drive Circuit Diagnosis

eHydro - Reverse Drive Circuit Operation

eHydro - Reverse Drive Circuit Electrical Schematic

eHydro - Reverse Drive Circuit Diagnosis

eHydro - Cruise Control Circuit Operation (standard)

eHydro - Cruise Control Circuit Electrical Schematic (standard)

eHydro - Cruise Control Circuit Diagnosis (standard)

eHydro - Cruise Control Circuit Operation (optional)

eHydro - Cruise Control Circuit Electrical Schematic (optional)

eHydro - Cruise Control Circuit Diagnosis (optional)

eHydro - Load Match and Motion Match Circuit Operation

eHydro - Load Match and Motion Match Circuit Electrical Schematic

eHydro - Load Match and Motion Match Control Circuit Diagnosis

Section : Power Train - PRT

Group : Specifications

General Specifications

Repair Specifications

Torque Specifications

Special or Essential Tools

Other Materials

Group : Component Location

Clutch Housing

PowrReverser Clutch

Main Shaft

Driven Shaft

Main Gear Shift

PRT Pedal and Shift Linkage

PRT Valve

Group : Theory of Operation

PRT Control Valve Operation

PRT Clutch Operation - Forward

PRT Clutch Operation - Reverse

4 Speed Transmission Operation

Range Transmission Power Flow

Group : Tests and Adjustments

PRT Clutch Adjustment

PRT Hydraulic Pressure Tests

Group : Repair

Machine Splitting (Front)

Machine Splitting (Rear)

Reverse Case Seal Replacement

PowrReverser Traction Clutch

PowrReverser Clutch Valve

4-Speed Transmission

Section : Power Train - Hydrostatic

Group : Specifications

Hydrostatic Power Train Specifications

Special or Essential Tools

Other Materials

Group : Component Location

eHydro Machines Component Location

eHydro Transmission Components

eHydro Center Plate Components

Drive Shaft

Front Drive

Group : Schematics

Steering/Charge Pump Circuit Schematic, eHydro Transmission

Group : Theory of Operation

eHydro Transmission Operation

Range Transmission Power Flow

Group : Diagnostics

Troubleshooting Table

Hydrostatic Power Train

Group : Tests and Adjustments

Hydrostatic High Pressure Relief Test

Charge Pump Pressure Test

Hydraulic System Bleed Procedure

Group : Repair

Forward and Reverse Position Sensors

Forward and Reverse Pedals Assembly

Machine Splitting (Front)

Machine Splitting (Rear)

Hydrostatic Transmission Removal and Installation

Hydrostatic Transmission Disassembly

Section : Power Train - Final Drive

Group : Specifications

General Specifications

Repair Specifications

Torque Specifications

Special or Essential Tools

Other Materials

Group : Component Location

Rear Axle and Final Drive

Differential Pinion Shaft (eHydro)

Differential Pinion Shaft (PRT)

Range Shift

Front Drive (For MFWD)

Differential Gear

Differential Lock

Brake

PTO Clutch/Brake Assembly

Rear PTO Shafts

Mid PTO Assembly

2-Speed Rear PTO

Transmission Housing (eHydro)

Transmission Housing - PRT

MFWD Front Axle Housing and Differential

MFWD Final Drive

Group : Theory of Operation

Range Transmission

MFWD Power Operation

Differential Power Flow and Lock

MFWD Power Flow

Group : Diagnostics

PTO Diagnostics Table

Group : Tests and Adjustments

Differential Pinion Shaft Adjustment

Differential Backlash Adjustment

Group : Repair

MFWD Output Shaft

Speed Range Transmission

Final Drive Removal

Final Drive Installation

Final Drive Disassembly, Inspection, and Assembly

Differential Lock Fork

Differential Removal and Installation

MFWD Drive Shaft Removal and Installation

MFWD Removal and Installation

MFWD Final Drive Cover

MFWD Spindle Shaft

MFWD Final Drive Housing

Spindle Housing

MFWD Differential

Pinion Depth Setup and Adjustment

Group : PTO Theory of Operation

PTO Clutch and Brake Theory of Operation

Power Transmission - Rear PTO

Power Transmission - 2 Speed Rear PTO

Power Transmission - Mid PTO

Group : PTO Repair

Rear PTO Drive Shaft and Gears

2-Speed Rear PTO Drive Shaft and Gears

PTO Clutch and Brake

Mid PTO

Section : Hydraulics

Group : Specifications

Hydraulic Specifications

Repair Specifications

Torque Specifications

Special or Essential Tools

Other Materials

Group : Component Location

PRT Machines Component Location

eHydro Machines Component Location

Rockshaft Component Location

Dual SCV Components

Dual SCV Hydraulic Lines

Third SCV Components

Power Beyond Components

Hydraulic Pump Component Location

Rockshaft Piston, Rod, and Rate of Drop Valve

Rockshaft Control Valve, Plunger Assembly and Controls

Rockshaft and Lift Arms (Exploded View)

PTO Clutch Valve Component Location

SCV Valve Component Location

Diverter Assembly Front

Diverter 4th and 5th SCV Assembly Rear

Group : Schematics & Harnesses

Steering/Charge Pump Circuit Schematics, PRT Transmission

Steering/Charge Pump Circuit Schematic, eHydro Transmission

Implement Pump Circuit Schematic, eHydro and PRT

Diverter Valve Schematic

Group : Theory of Operation

Hydraulics (General)

Hydraulics (SCV) (Option)

Hydraulics (Rockshaft)

Diverter Valve (Option)

Group : Diagnostics

Diagnostic Table

Group : Tests and Adjustments

Hydraulic System Bleed Procedure

Hydraulic Pump Flow Test

System Relief Pressure Test

PTO Valve Pressure Test

Steering Pressure Check

Rockshaft Lift Cycle Test

Rate of Drop/Stop Valve Adjustment

Rockshaft Leakage Test

Rockshaft Position Feedback Linkage Adjustment

Group : Repair

Hydraulic Gear Pump

Rockshaft Removal and Installation

Lift Arms

Lift Control Lever

Rockshaft Control Valve

Rockshaft Feedback Shaft

Rockshaft Piston

PTO Clutch Valve

Selective Control Valve (SCV)

Section : Steering

Group : Specifications

Steering

Special or Essential Tools

Group : Component Location

Steering Component Location

Steering System Schematic

Group : Theory of Operation

All Models:

eHydro Model:

PowrReverser Model:

Group : Diagnostics

Steering Operation

Diagnosis Table

Group : Tests and Adjustments

Steering System Test

Steering Pressure Check

Toe-in Adjustment MFWD

Group : Repair

Steering Cylinder

Steering Wheel Removal and Installation

Tilt Steering Mechanism Removal and Installation

Steering Control Unit (SCU) Removal and Installation

Tie Rod Removal and Installation - MFWD

Section : Brakes

Group : Specifications

Brakes

Transaxle Oil

Torque Specifications

Group : Component Location

Brake Housing

Park Brake

Park Brake Components

Brake Pedals and Linkage - eHydro

Brake Pedals and Linkage - eHydro (Exploded View)

Brake Pedals and Linkage - PRT

Brake Pedals and Linkage - PRT (Exploded View)

Group : Theory of Operation

Brakes

Group : Diagnostics

Brakes

Diagnosis

Group : Tests and Adjustments

Brake Pedal Adjustment

Parking Brake Adjustment

Group : Repair

Brake Disassembly and Inspection

Brake Assembly

Brake Pedal Assembly Removal and Installation - eHydro

Brake Pedal Assembly Removal and Installation - PRT

Parking Brake Linkage Removal and Installation

Section : Miscellaneous

Group : Specifications

Torque Specifications

Group : Repair

Three Point Hitch Removal and Installation

Center Link Bracket Removal and Installation

Seat and Seat Support Removal and Installation

Seat Closeout Removal and Installation

Rear Fenders Removal and Installation

Roll Over Protection System (ROPS)

Front Wheel Removal and Installation

Rear Wheel Removal and Installation

Operator’s Platform Removal and Installation

Fuse Panel Cover Removal and Installation

Battery Removal and Installation

Hood Removal and Installation

Cowl Panel Removal and Installation

Control Panel and Removal and Installation

Fuel Tank Removal and Installation

John Deere Compact Utility Tractors Models 4120, 4320, 4520, 4720 Diagnostic & Repair Service Technical Manual (TM2137)

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