John Deere 544K 4WD Loader (T3) Operation & Test Technical Manual

John Deere 544K 4WD Loader (T3) Operation & Test Technical Manual

John Deere 544K 4WD Loader (T3) Operation & Test Technical Manual

(TM10688 07JAN19)

John Deere Repair Manual

John Deere 544K 4WD Loader (T3) Operation & Test Technical Manual

John Deere 544K 4WD Loader (T3) – Technical Manual TM10688 – Complete Table of Contents

✅ Section 10: General

  • 10.10: Specifications

  • 10.20: Identification

  • 10.30: Fluid Capacities & Recommendations

  • 10.40: Maintenance & Lubrication (Including S·O·S℠ Sampling & Interval Charts)

  • 10.50: Towing, Transport, Lifting, and Jacking

  • 10.60: Break-In Procedure

  • 10.70: Machine Preparation (Storage & Reactivation)

✅ Section 20: Engine (John Deere PowerTech 4.5L or 6.8L)

  • 20.10: General Engine Service

  • 20.15: Cylinder Head and Valves

  • 20.20: Cylinder Block, Liners, and Pistons

  • 20.30: Lubrication System

  • 20.40: Cooling System

  • 20.50: Fuel System

  • 20.60: Intake and Exhaust System

  • 20.70: Engine Electrical (Starting/Charging)

John Deere 544K 4WD Loader (T3) Operation & Test Manual

✅ Section 30: Power Train

  • 30.10: Clutch (Mechanical Control)

  • 30.20: Transmission (Tandem Pump, Control Valves)

  • 30.30: Axles (Front & Rear, including Differential and Final Drives)

  • 30.40: Propeller Shafts and U-Joints

  • 30.50: Brakes (Service, Parking)

  • 30.60: Frame and Suspension (Oscillating Hitch, Kingpins)

✅ Section 40: Steering

  • 40.10: Steering System (Articulated Power Steering)

  • 40.20: Steering Cylinders

  • 40.30: Steering Linkage

✅ Section 50: Hydraulic System

  • 50.10: Main Hydraulic System (Gear Pumps, Main Control Valve)

  • 50.15: Implement Hydraulics (Lift & Tilt Circuits)

  • 50.20: Priority and Pilot Hydraulic System

  • 50.30: Hydraulic Cylinders (Lift, Tilt, Auxiliary)

  • 50.40: Hydraulic System Testing & Performance Specifications

✅ Section 60: Electrical System

  • 60.10: Starting and Charging System

  • 60.15: Machine Harness and Connectors

  • 60.20: Sensors and Switches

  • 60.25: Lighting System

  • 60.30: Cab and Instrumentation (Gauges, Monitor)

  • 60.40: Diagnostic Connector and Diagnostic Codes (Troubleshooting Outlines)

✅ Section 70: Operator Station and Cab

  • 70.10: Cab Structure and Mounting

  • 70.20: Heating, Ventilation, and Air Conditioning (HVAC)

  • 70.30: Seats and Belts

  • 70.40: Windows, Doors, and Seals

  • 70.50: Controls (Levers, Pedals, Joysticks)

✅ Section 80: Attachments and Linkage

  • 80.10: Loader Linkage (Z-Bar)

  • 80.20: Buckets and General Purpose Attachments

  • 80.30: Quick Coupler System

  • 80.40: Fork and Special Application Attachments

✅ Section 90: Testing and Adjusting

  • 90.10: Machine Operational Checks

  • 90.15: Engine Performance Tests

  • 90.20: Transmission and Drivetrain Tests

  • 90.30: Hydraulic System Tests (Pump Flow, Pressure, Cycle Times)

  • 90.40: Steering System Tests

  • 90.50: Brake System Tests

  • ✅ Includes comprehensive troubleshooting procedures for each major system, linking symptoms to probable causes and corrective actions.

✅ Section 100: Schematic Section

  • 100.10: Hydraulic Schematics

  • 100.20: Electrical Schematics

John Deere 544K 4WD Loader (T3) Operation & Test Technical Manual