John Deere 544E, 544E LL, 544E TC, 624E and 644E Loaders Repair Technical Manual (TM1414)

John Deere 544E, 544E LL, 544E TC, 624E and 644E Loaders Repair Technical Manual (TM1414)

This detailed repair manual provides factory-approved procedures for maintenance, disassembly, troubleshooting, and reassembly of the John Deere 544E, 544E LL, 544E TC, 624E, and 644E Loaders. It includes complete coverage of drivetrain, axles, engine, fuel systems, transmission, brakes, electrical, HVAC, loader hydraulic systems, and cab components—making it essential for shop technicians and field mechanics.

Model Covers:

John Deere 544E Loader

John Deere 544E LL Loader

John Deere 544E TC Loader

John Deere 624E Loader

John Deere 644E Loader

File Format: PDF

Size: 12.18 MB

No. of pages: 463

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Included Sections:

General Specifications and Service Data

• Drain and refill capacities for each model
• Torque specifications, service fittings, and fuel types
• Safety practices and special tool listings

Transmission and Drivetrain Systems

• Transmission disassembly, clutch packs, gear servicing
• Torque converter removal and pressure regulators
• Oil supply flange, control valve overhaul, drive shaft replacement

Axles, Suspension and Wheels

• Front/rear axle removal and installation
• Differentials, wheel hubs, and universal joints
• Wheel replacement procedures for all model variants

Engine and Fuel System

• Engine removal/installation, oil pan, fan, radiator and cooler
• Turbocharger, water pump, fuel pump, fuel injection nozzles
• Starting aids, speed linkage, and air intake diagnostics

Steering and Brake Systems

• Steering valve, accumulator, cylinders, and bushings
• Brake valve, service brake, park brake, pump and control linkages
• Brake bleeding, compensator valves, and low pressure switches

Electrical and Operator Station

• Battery service, alternator, starting motor, lighting, switches
• Instrumentation, clutch cut-off, wipers, defroster, seat adjustment
• Deutsch™ and Weather Pack™ connector replacement procedures

HVAC and Cab Systems

• R12 system evacuation, charging, and performance testing
• Blower motor service, thermostat, evaporator and expansion valve
• Cab heater hoses, defroster fan, A/C compressor and condenser service

Loader Hydraulic System

• Main hydraulic pump service, filter change, relief and anti-cavitation valves
• Boom/bucket cylinder disassembly and installation
• Pin disconnect systems, loader bucket tips, and tool carrier controls

This John Deere 544E, 544E LL, 544E TC, 624E and 644E Loaders Repair Manual is a professional-grade guide for performing factory-level maintenance, diagnostics, and mechanical repairs on these rugged loaders.