Complete service manual with Electrical Wiring Diagrams for John Deere 324H and 344H Loader, with all the shop information to maintain, diagnose, and rebuild like professional mechanics.

John Deere 324H and 344H Loader workshop 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.

TM1745 - John Deere 324H and 344H Loader Technical Manual (Operation & Test).pdf
TM1745 - John Deere 324H and 344H Loader Technical Manual (Operation & Test).epub

Total Pages: 1,297 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English

MAIN SECTIONS
 Foreword
   Technical Information Feedback Form
   General Information
      Safety Information
      General Specifications
      Torque Values
      Fuels and Lubricants
   Operational Checkout Procedure
      Operational Checkout Procedure
   Engine
      Theory Of Operation
      Diagnostic Information
      Adjustments
      Tests
   Electrical System
      System Information
      System Diagrams-344H (S.N. -710261)
      System Diagrams-324H (S.N. 700262-708724) And 344H (S.N. 710262-718724)
      System Diagrams-324H (S.N. 708725-) And 344H (S.N. 718725-)
      Sub-System Diagnostics-344H (S.N. -710261)
      Sub-System Diagnostics-324H (S.N. 700262-708724) And 344H (S.N. 710262-718724)
      Sub-System Diagnostics-324H (S.N. 708725- ) And 344H (S.N. 718725- )
      References
      Adjustments
   Power Train
      Theory Of Operation
      Diagnostic Information
      Adjustments
      Tests
   Hydraulic System
      Theory Of Operation
      Diagnostic Information
      Adjustments
      Test
   Heating And Air Conditioning
      Theory of Operation
      Diagnostic Information
      Adjustments
      Tests

tm1745 - 324H and 344H Loader

Table of Contents

Foreword

Technical Information Feedback Form

Section 9000: General Information

Group 01: Safety Information

Handle Fluids Safely—Avoid Fires

Prevent Battery Explosions

Prepare for Emergencies

Prevent Acid Burns

Handle Chemical Products Safely

Avoid High-Pressure Fluids

Park Machine Safely

Support Machine Properly

Wear Protective Clothing

Work in Clean Area

Service Machines Safely

Work In Ventilated Area

Illuminate Work Area Safely

Replace Safety Signs

Use Proper Lifting Equipment

Remove Paint Before Welding or Heating

Avoid Heating Near Pressurized Fluid Lines

Keep ROPS Installed Properly

Service Tires Safely

Practice Safe Maintenance

Use Proper Tools

Dispose of Waste Properly

Live With Safety

Group 02: General Specifications

324H Loader Specifications

344H Loader Specifications

Drain and Refill Capacities

Group 03: Torque Values

Hardware Torque Specifications

Keep ROPS Installed Properly

Metric Bolt and Screw Torque Values

Additional Metric Cap Screw Torque Values

Service Recommendations For Metric 24° O-Ring Seal DIN 20078

Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings

Service Recommendations For O-Ring Boss Fittings With Shoulder

Service Recommendations for Metric Series Four Bolt Flange Fitting

Service Recommendations For Inch Series Four Bolt Flange Fittings

Group 04: Fuels and Lubricants

Diesel Fuel

Lubricity of Diesel Fuel

Low Sulfur Diesel Fuel Conditioner

Diesel Fuel Storage

Fuel Tank

Diesel Engine Oil

Heavy Duty Diesel Engine Coolant

Hydraulic System, Park Brake, and Differential Oil

Service Brake Oil

Grease

Alternative and Synthetic Lubricants

Lubricant Storage

Mixing of Lubricants

Section 9005: Operational Checkout Procedure

Group 10: Operational Checkout Procedure

Operational Checkout Record Sheet—324H/344H

Complete Machine Operational Checkout

Section 9010: Engine

Group 05: Theory Of Operation

  is a registered trademark of Deere & Company 4.5 L (4045) Engine—Use CTM104

Engine—Sectional View

General Engine Description

Group 15: Diagnostic Information

  is a registered trademark of Deere & Company 4.5 L (4045) Engine—Use CTM104

Make Visual Inspection Of Engine And Supporting Systems

Diagnose Engine Malfunctions

Group 20: Adjustments

  is a registered trademark of Deere & Company 4.5 L (4045) Engine—Use CTM104

JT05801 Clamp-On Electronic Tachometer Installation

Adjust Speed Control Linkage

Adjust Slow And Fast Idle

Group 25: Tests

  is a registered trademark of Deere & Company 4.5 L (4045) Engine—Use CTM104

JT05801 Clamp-On Electronic Tachometer Installation

JT05800 Digital Thermometer Installation

Air Intake System Leakage Test

Injection Pump Timing Test

Engine Power Test Using Turbocharger Boost Pressure—344H

Engine Power Test Using Engine Pulldown—324H

Fuel Line Leakage Test

Section 9015: Electrical System

Group 05: System Information

Electrical Diagram Information

Group 10A: System Diagrams—344H (S.N. —710261)

Fuse Specifications—344H (S.N. —710261)

Main System Functional Schematics and Component Location Legend—344H (S.N. —710261)

Main System Functional Schematics Section Legend—344H (S.N. —710261)

Main System Functional Schematics—344H (S.N. —710261)

Power And Battery Cables (W1) Component Location—344H (S.N. —710261)

Loader/Rear Frame Harness (W2) Component Location—344H (S.N. —710261)

Loader/Rear Frame Harness (W2) Connectors, Wire, And Pin Location—344H (S.N. —710261)

Cab Main Harness (W3) Component Location—344H (S.N. —710261)

Cab Main Harness (W3) Connectors, Wire, And Pin Location—344H (S.N. —710261)

Front Console Harness (W4) Component Location—344H (S.N. —710261)

Front Console Harness (W4) Connectors, Wire And Pin Location—344H (S.N. —710261)

Side Console Harness (W5) Component Location—344H (S.N. —710261)

Cab Rear Harness (W6) Component Location—344H (S.N. —710261)

Cab Work Light Harness (W7) Component Location—344H (S.N. —710261)

Optional Hydraulic Fourth Function Harness (W16) Component Location—344H (S.N. —710261)

Optional Secondary Steering Harness (W17) Component Location—344H (S.N. —710261)

Optional Secondary Steering Harness (W17) Connectors, Wire, And Pin Location—344H (S.N. —710261)

Blower And A/C Harness (Door Mounted) (W19) Component Location—344H (S.N. —710261)

A/C Harness (Roof Mounted) (W20) Component Location—344H (S.N. —710261)

Group 10B: System Diagrams—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Fuse Specifications—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Main System Functional Schematics and Component Location Legend—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Main System Functional Schematics Section Legend—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Main System Functional Schematics—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Power And Battery Cables (W1) Component Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Loader/Rear Frame Harness (W2) Component Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Loader/Rear Frame Harness (W2) Connectors, Wire, And Pin Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Cab Main Harness (W3) Component Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Cab Main Harness (W3) Connectors, Wire, And Pin Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Front Console Harness (W4) Component Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Front Console Harness (W4) Connectors, Wire, And Pin Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Side Console Harness (W5) Component Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Cab Rear Harness (W6) Component Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Cab Work Light Harness (W7) Component Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Cab Work Light Harness (W7) Connectors, Wire, And Pin Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Optional Hydraulic Fourth Function Harness (W16) Component Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Optional Secondary Steering Harness (W17) Component Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Optional Secondary Steering Harness (W17) Connectors, Wire, And Pin Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Blower And A/C Harness (Door Mounted) (W19) Component Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724

A/C Harness (Roof Mounted) (W20) Component Location—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724

Group 10C: System Diagrams—324H (S.N. 708725—) And 344H (S.N. 718725—)

White Wire Number Identification

Fuse and Relay Specifications—324H (S.N. 708725—) And 344H (S.N. 718725—)

Main System Functional Schematics and Component Location Legend—324H (S.N. 708725—) And 344H (S.N. 718725—)

Main System Functional Schematics Section Legend—324H (S.N. 708725—) And 344H (S.N. 718725—)

Main System Functional Schematics—324H (S.N. 708725—) And 344H (S.N. 718725—)

Power And Battery Cables (W1) Component Location—324H (S.N. 708725—) And 344H (S.N. 718725—)

Loader/Rear Frame Harness (W2) Component Location—324H (S.N. 708725—) And 344H (S.N. 718725—)

Cab Harness (W3) Component Location—324H (S.N. 708725—) And 344H (S.N. 718725—)

Side Console Harness (W5) Component Location—324H (S.N. 708725—) And 344H (S.N. 718725—)

Cab Work Light Harness (W7) Component Location—324H (S.N. 708725—) And 344H (S.N. 718725—)

Fourth Function Hydraulics Harness (W16) Component Location—324H (S.N. 708725—) And 344H (S.N. 718725—)

Secondary Steering Harness (W17) Component Location—324H (S.N. 708725—) And 344H (S.N. 718725—)

A/C Harness (Roof Mounted) (W19) Component Location—324H (S.N. 708725—) And 344H (S.N. 718725—)

Group 15A: Sub-System Diagnostics—344H (S.N. —710261)

Power Circuit Operational Information—344H (S.N. —710261)

Power Circuit Theory Of Operation—344H (S.N. —710261)

Power Circuit Functional Schematic—344H (S.N. —710261)

Power Circuit Diagnostic Procedures—344H (S.N. —710261)

Monitor Power, Alarm, And Mode Switch Circuits Operational Information—344H (S.N. —710261)

Monitor Power, Alarm, And Mode Switch Circuits Theory Of Operation—344H (S.N. —710261)

Monitor Power, Alarm, And Mode Switch Circuits Functional Schematic—344H (S.N. —710261)

Monitor Power, Alarm, And Mode Switch Circuits Diagnostic Procedures—344H (S.N. —710261)

Neutral Start Circuit Operational Information—344H (S.N. —710261)

Neutral Start Circuit Theory Of Operation—344H (S.N. —710261)

Neutral Start Circuit Functional Schematic—344H (S.N. —710261)

Neutral Start Circuit Diagnostic Procedures—344H (S.N. —710261)

Start Aid And Start Release Circuits Operational Information—344H (S.N. —710261)

Start Aid And Start Release Circuits Theory Of Operation—344H (S.N. —710261)

Start Aid And Start Release Circuits Functional Schematic—344H (S.N. —710261)

Start Aid And Start Release Circuits Diagnostic Procedures—344H (S.N. —710261)

Fuel Shutoff and Cold Start Advance Circuits Theory Of Operation—344H (S.N. —710261)

Fuel Shutoff and Cold Start Advance Circuits Functional Schematic—344H (S.N. —710261)

Fuel Shutoff And Cold Start Advance Circuits Diagnostic Procedures—344H (S.N. —710261)

Charging Circuit Operational Information—344H (S.N. —710261)

Charging Circuit Theory Of Operation—344H (S.N. —710261)

Charging Circuit Functional Schematic—344H (S.N. —710261)

Charging Circuit Diagnostic Procedures—344H (S.N. —710261)

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Specifications—344H (S.N. —710261)

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Operational Information—344H (S.N. —710261)

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Theory Of Operation—344H (S.N. —710261)

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Functional Schematic—344H (S.N. —710261)

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Diagnostic Procedures—344H (S.N. —710261)

Pilot, Boom Height Kickout, And Return-To-Dig Circuit Operational Information—344H (S.N. —710261)

Pilot, Boom Height Kickout And Return-To-Dig Circuit Theory Of Operation—344H (S.N. —710261)

Pilot, Boom Height Kickout And Return-To-Dig Circuit Functional Schematic—344H (S.N. —710261)

Pilot, Boom Height Kickout And Return-To-Dig Circuits Diagnostic Procedures—344H (S.N. —710261)

Cooling Fan Drive Low/High Speed Circuit Specifications—344H (S.N. —710261)

Cooling Fan Drive Low/High Speed Circuit Operational Information—344H (S.N. —710261)

Cooling Fan Drive Low/High Speed Circuit Theory Of Operation—344H (S.N. —710261)

Cooling Fan Drive Low/High Speed Circuit Functional Schematic—344H (S.N. —710261)

Fan Drive Low/High Speed Circuit Diagnostic Procedures—344H (S.N. —710261)

Turn Lights And 4-Way Flasher Circuit Operational Information—344H (S.N. —710261)

Turn Lights And 4-Way Flasher Circuits Theory Of Operation—344H (S.N. —710261)

Turn Lights And 4-Way Flasher Circuits Functional Schematic—344H (S.N. —710261)

Turn Lights And 4-Way Flasher Circuits Diagnostic Procedures—344H (S.N. —710261)

Brake Lights Circuit Operational Information—344H (S.N. —710261)

Brake Lights Circuit Theory Of Operation—344H (S.N. —710261)

Brake Lights Circuit Functional Schematic—344H (S.N. —710261)

Brake Lights Circuit Diagnostic Procedures—344H (S.N. —710261)

Drive Lights, Marker Lights, And Tail Lights Circuits Operational Information—344H (S.N. —710261)

Drive Lights, Marker Lights, And Tail Lights Circuits Theory Of Operation—344H (S.N. —710261)

Drive Lights, Marker Lights, And Tail Lights Circuits Functional Schematic—344H (S.N. —710261)

Drive Lights, Marker Lights, And Tail Lights Circuits Diagnostic Procedures—344H (S.N. —710261)

Cab Work, Dome, And Beacon Lights Circuits Theory Of Operation—344H (S.N. —710261)

Cab Work, Dome, And Beacon Lights Circuits Functional Schematic—344H (S.N. —710261)

Cab Work, Dome, And Beacon Lights Circuits Diagnostic Procedures—344H (S.N. —710261)

Radio And Accessories Circuit Theory Of Operation—344H (S.N. —710261)

Radio And Accessories Circuit Functional Schematic—344H (S.N. —710261)

Front Windshield Wiper And Horn Circuit Theory Of Operation—344H (S.N. —710261)

Front Windshield Wiper And Horn Circuit Functional Schematic—344H (S.N. —710261)

Front Windshield Wiper And Horn Circuit Diagnostic Procedures—344H (S.N. —710261)

Rear Windshield Wiper Circuit Theory Of Operation—344H (S.N. —710261)

Rear Windshield Wiper Circuit Functional Schematic—344H (S.N. —710261)

Rear Windshield Wiper Circuit Diagnostic Procedures—344H (S.N. —710261)

Heater Blower And Air Conditioning Circuit Operational Information—344H (S.N. —710261)

Heater Blower And Air Conditioning Circuit Theory Of Operation—344H (S.N. —710261)

Heater Blower And Air Conditioning Circuit Functional Schematic—344H (S.N. —710261)

Heater Blower And Air Conditioning Circuit Diagnostic Procedures—344H (S.N. —710261)

Secondary Steering Circuit Specifications—344H (S.N. —710261)

Secondary Steering Circuit Operational Information—344H (S.N. —710261)

Secondary Steering Circuit Theory of Operation—344H (S.N. —710261)

Secondary Steering Circuit Functional Schematic—344H (S.N. —710261)

Secondary Steering Circuit Diagnostic Procedures—344H (S.N. —710261)

Hydraulic Fourth Function Circuit Operational Information—344H (S.N. —710261)

Hydraulic Fourth Function Circuit Theory Of Operation—344H (S.N. —710261)

Hydraulic Fourth Function Circuit Functional Schematic—344H (S.N. —710261)

Hydraulic Fourth Function Circuit Diagnostic Procedures—344H (S.N. —710261)

Group 15B: Sub-System Diagnostics—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Power Circuit Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Power Circuit Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Power Circuit Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Power Circuit Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Monitor Power, Alarm, And Mode Switch Circuits Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Monitor Power, Alarm, And Mode Switch Circuits Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Monitor Power, Alarm, And Mode Switch Circuits Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Monitor Power, Alarm, And Mode Switch Circuits Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Neutral Start Circuit Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Neutral Start Circuit Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Neutral Start Circuit Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Neutral Start Circuit Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Start Aid and Start Release Circuits Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Start Aid And Start Release Circuits Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Start Aid And Start Release Circuits Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Start Aid And Start Release Circuits Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Fuel Shut-Off And Cold Start Advance Circuits Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Fuel Shut-Off And Cold Start Advance Circuits Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Fuel Shut-Off And Cold Start Advance Circuits Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Charging Circuit Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Charging Circuit Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Charging Circuit Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Charging Circuit Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Specifications—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Pilot, Boom Height Kickout And Return-To-Dig Circuits Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Pilot, Boom Height Kickout And Return-To-Dig Circuits Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Pilot, Boom Height Kickout And Return-To-Dig Circuits Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Pilot, Boom Height Kickout And Return-To-Dig Circuits Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Cooling Fan Drive Low/High Speed Circuit Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Cooling Fan Drive Low/High Speed Circuit Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Cooling Fan Drive Low/High Speed Circuit Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Fan Drive Low/High Speed Circuit Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Turn Lights And Flasher Circuits Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Turn Lights And Flasher Circuits Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Turn Lights And Flasher Circuits Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Turn Lights And Flasher Circuits Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Brake Lights Circuit Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Brake Lights Circuit Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Brake Lights Circuit Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Brake Lights Circuit Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Drive Lights, Marker Lights, And Tail Lights Circuits Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Drive Lights, Marker Lights, And Tail Lights Circuits Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Drive Lights, Marker Lights, And Tail Lights Circuits Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Drive Lights, Marker Lights, And Tail Lights Circuits Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Cab Work, Dome, And Beacon Lights Circuits Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Cab Work, Dome, And Beacon Lights Circuits Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Cab Work, Dome, And Beacon Lights Circuits Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Radio And Accessories Circuit Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Radio And Accessories Circuit Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Front Windshield Wiper And Horn Circuit Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Front Windshield Wiper And Horn Circuit Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Front Windshield Wiper And Horn Circuit Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Rear Windshield Wiper Circuit Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Rear Windshield Wiper Circuit Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Rear Windshield Wiper Circuit Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Heater Blower And Air Conditioning Circuit Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Heater Blower And Air Conditioning Circuit Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Heater Blower And Air Conditioning Circuit Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Heater Blower And Air Conditioning Circuit Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Secondary Steering Circuit Specifications—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Secondary Steering Circuit Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Secondary Steering Circuit Theory of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Secondary Steering Circuit Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Secondary Steering Circuit Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Hydraulic Fourth Function Circuit Operational Information—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Hydraulic Fourth Function Circuit Theory Of Operation—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Hydraulic Fourth Function Circuit Functional Schematic—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Hydraulic Fourth Function Circuit Diagnostic Procedures—324H (S.N. 700262—708724) And 344H (S.N. 710262—718724)

Group 15C: Sub-System Diagnostics—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Fuse And Relay Specifications—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Power Circuit Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Power Circuit Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Power Circuit Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Power Circuit Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Monitor Power, Alarm, And Mode Switch Circuits Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Monitor Power, Alarm, And Mode Switch Circuits Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Monitor Power, Alarm, And Mode Switch Circuits Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Monitor Power, Alarm, And Mode Switch Circuits Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Neutral Start Circuit Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Neutral Start Circuit Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Neutral Start Circuit Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Neutral Start Circuit Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Start Aid and Start Release Circuits Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Start Aid And Start Release Circuits Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Start Aid And Start Release Circuits Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Start Aid And Start Release Circuits Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Fuel Shut-Off And Cold Start Advance Circuits Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Fuel Shut-Off And Cold Start Advance Circuits Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Fuel Shut-Off And Cold Start Advance Circuits Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Charging Circuit Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Charging Circuit Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Charging Circuit Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Charging Circuit Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Specifications—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Hydrostatic Transmission Control, Park Brake Release, And Backup Alarm Circuits Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Pilot, Boom Height Kickout And Return-To-Dig Circuits Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Pilot, Boom Height Kickout And Return-To-Dig Circuits Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Pilot, Boom Height Kickout And Return-To-Dig Circuits Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Pilot, Boom Height Kickout And Return-To-Dig Circuits Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Cooling Fan Drive Low/High Speed Circuit Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Cooling Fan Drive Low/High Speed Circuit Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Cooling Fan Drive Low/High Speed Circuit Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Fan Drive Low/High Speed Circuit Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Turn Lights And Flasher Circuits Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Turn Lights And Flasher Circuits Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Turn Lights And Flasher Circuits Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Turn Lights And Flasher Circuits Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Brake Lights Circuit Operational Information—324H (S.N. 708725— ) and 344H (S.N. 718725— )

Brake Lights Circuit Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Brake Lights Circuit Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Brake Lights Circuit Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Drive Lights, Marker Lights, And Tail Lights Circuits Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Drive Lights, Marker Lights, And Tail Lights Circuits Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Drive Lights, Marker Lights, And Tail Lights Circuits Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Drive Lights, Marker Lights, And Tail Lights Circuits Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Cab Work, Dome, And Beacon Lights Circuits Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Cab Work, Dome, And Beacon Lights Circuits Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Cab Work, Dome, And Beacon Lights Circuits Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Radio And Accessories Circuit Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Radio And Accessories Circuit Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Front Windshield Wiper And Horn Circuit Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Front Windshield Wiper And Horn Circuit Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Front Windshield Wiper And Horn Circuit Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Rear Windshield Wiper Circuit Theory Of Operation—(S.N. 708725— ) And 344H (S.N. 718725— )

Rear Windshield Wiper Circuit Functional Schematic—(S.N. 708725— ) And 344H (S.N. 718725— )

Rear Windshield Wiper Circuit Diagnostic Procedures—(S.N. 708725— ) And 344H (S.N. 718725— )

Heater Blower And Air Conditioning Circuit Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Heater Blower And Air Conditioning Circuit Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Heater Blower And Air Conditioning Circuit Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Heater Blower And Air Conditioning Circuit Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Secondary Steering Circuit Specifications—(S.N. 708725— ) And 344H (S.N. 718725— )

Secondary Steering Circuit Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Secondary Steering Circuit Theory of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Secondary Steering Circuit Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Secondary Steering Circuit Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Hydraulic Fourth Function Circuit Operational Information—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Hydraulic Fourth Function Circuit Theory Of Operation—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Hydraulic Fourth Function Circuit Functional Schematic—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Hydraulic Fourth Function Circuit Diagnostic Procedures—324H (S.N. 708725— ) And 344H (S.N. 718725— )

Group 20: References

Monitor Diagnostic Trouble Codes

Alternators And Starting Motors—Use CTM77

Battery Specifications

Diagnose Battery Malfunctions

Check Battery Electrolyte Level And Terminals

Procedure For Testing Batteries

Using Booster Batteries—12 Volt System

Alternator Operation—12 Volt 65 Amp Bosch

Change Monitor Speed Display—Metric/English

Electrical Component Specification

Group 25: Adjustments

Speed Sensor Adjustment

Adjust Boom Height Kickout

Adjust Return-To-Dig

Section 9020: Power Train

Group 05: Theory Of Operation

Power Train Description

Drive Dampener

Hydrostatic Transmission—Neutral

Hydrostatic Transmission—Forward (Low Speed)

Hydrostatic Transmission—Forward (High Speed)

Hydrostatic Transmission—Reverse (Low Speed)

Hydrostatic Pump Operation

Hydrostatic Pump Swashplate Operation

Hydrostatic Pump Control Operation—Reverse (Engine Speed At Less Than Fast Idle)

Hydrostatic Pump Control Operation—Forward (Engine Speed At Fast Idle)

High Pressure Relief Valve Operation

Hydrostatic Motor—Neutral Operation

Hydrostatic Motor—Reverse (Low Speed)

Hydrostatic Motor—Forward (High Speed)

Inching Valve

Service And Park Brake Description

Park Brake Release Solenoid Valve Operation

Park Brake Operation

Rear Axle Differential Operation

Final Drive Operation

Limited Slip Differential Operation

Gear Case Operation

Group 15: Diagnostic Information

Diagnose Hydrostatic Transmission Malfunctions

Diagnose Differential And Axle Malfunctions

Diagnose Driveline Malfunctions

Diagnose Park Brake Malfunctions

Diagnose Service Brake Malfunctions

Hydraulic Circuit Symbols

Power Train Component Location

Service And Park Brake System Component Location

Hydrostatic Transmission Schematic

Service And Park Brake System Schematic

Group 20: Adjustments

JT05801 Clamp-On Electronic Tachometer Installation

JT05800 Digital Thermometer Installation

Hydrostatic Pump Servo Piston Neutral Adjustment

Hydrostatic Motor Minimum Displacement Adjustment

Brake/Inching Pedal Linkage Adjustment

Park Brake Adjustment

Hydrostatic Transmission Start-Up Procedure

Hydraulic Oil Clean-Up Procedure Using Portable Filter Caddy

Group 25: Tests

JT05801 Clamp-On Electronic Tachometer Installation

JT05800 Digital Thermometer Installation

Hydrostatic Transmission Oil Warm-Up Procedure

Before Performing Hydrostatic Transmission Tests

Neutral Charge Relief Valve Pressure Test And Adjustment

Hydrostatic Motor Begin Regulation Of Displacement Control Valve Test And Adjustment

Hydrostatic Pump Begin Regulation Test And Adjustment

Hydrostatic Pump Performance (Timing) Test And Adjustment

High Pressure Relief Valve Test And Adjustment

Hydrostatic Pump Pressure Override (POR) Valve Pressure Test And Adjustment

Hydrostatic Pump Isolation Procedure

Directional Control Valve Spool Leakage Test

Park Brake Release Pressure Test

Priority Valve Cutoff Pressure Test and Adjustment

Hydrostatic Adjusting Screws (With Tamper-Proof Caps)

Section 9025: Hydraulic System

Group 05: Theory Of Operation

Main Hydraulic System

Main Hydraulic Pump

Priority Valve

Steering Circuit

Steering Valve

Steering Valve, Cylinder Relief Valve

Secondary Steering System—If Equipped

Loader Control Valve

System And Circuit Relief Valves (With Anti-Cavitation)

Bucket and Boom Section Pilot Orifice Check Valve—324H (S.N. 618725—) And 344H (S.N. 718725— )

Pilot Control Valve

Pilot Lockout Solenoid Valve Operation

Start Release Solenoid Valve Operation

Cooling Fan Pump And Motor Circuit

Group 15: Diagnostic Information

Diagnose Hydraulic System Malfunctions

Hydraulic Circuit Symbols

Loader And Fan Drive System Component Location—324H (S.N. —618724) And 344H (S.N. —718274)

Loader And Fan Drive System Component Location—324H (S.N. 618725—) And 344H (S.N. 718725— )

Steering System Component Location

Fourth Function Component Location—If Equipped

Loader And Fan Drive System Schematic—324H (S.N. —618724) And 344H (S.N. —718274)

Loader And Fan Drive System Schematic—324H (S.N. 618725—) And 344H (S.N. 718725— )

Steering System Schematic

Fourth Function Schematic—If Equipped

Group 20: Adjustments

Hydraulic Oil Clean-Up Procedure Using Portable Filter Caddy

Adjust Boom Height Kickout

Adjust Return-To-Dig

Group 25: Test

JT05801 Clamp-On Electronic Tachometer Installation

JT05800 Digital Thermometer Installation

Hydraulic Oil Warm-Up Procedure

Boom Lock Installation

Main Hydraulic Pump Flow Test

Priority Valve Pressure Test—Maximum Steering System Pressure

Steering Valve Leakage Test

Steering Cylinder Leakage Test

Secondary Steering Pump Relief Valve Pressure Test—If Equipped

Secondary Steering Primary Check Valve Leakage Test—If Equipped

Secondary Steering Check Valve Leakage Test—If Equipped

Loader System Relief Valve Pressure Test

Loader Circuit Relief Valve Pressure Test

Loader Cylinder Drift Test

Boom And Bucket Cylinder Leakage Test

Pilot Control Valve Pressure Test

Cooling Fan Motor RPM Test

Cooling Fan System Pressure and Pump Flow Test

Cycle Time Test

Section 9031: Heating And Air Conditioning

Group 05: Theory of Operation

Air Conditioning System Cycle Of Operation

Group 15: Diagnostic Information

Diagnose Air Conditioning System Malfunctions

Diagnose Heater System Malfunctions

Group 20: Adjustments

Service Equipment and Tools

Other Material

Specifications

R134A Refrigerant Cautions

R134A Compressor Oil Charge Check

R134A Compressor Oil Removal

R134A Component Oil Charge

Leak Testing

Refrigerant Hoses and Tubing Inspection

R134A Refrigerant Recovery, Recycling and Charging Station Installation Procedure

Recover R134A System

Evacuate R134A System

Charge R134A System

Air Conditioner System Cleaning Procedures

Purge Air Conditioner System

Flush Air Conditioner System

Group 25: Tests

Essential Tools

Service Equipment and Tools

Other Material

Proper Refrigerant Handling

R134A Refrigerant Cautions

Refrigerant Hoses and Tubing Inspection

R134A Air Conditioning System Test

Operating Pressure Diagnostic Chart

Low/High Pressure Switch Test

Freeze Control Switch Test

Leak Testing

John Deere 324H, 344H Loaders Operation & Test Service Manual - TM1745