Liebherr L544 L554 2plus2 Wheel Loader Service Repair Factory Manual is a perfect manual, which contains a lot of information. I believe that would be what you need.

Covers the following type, production number, Serial Number:

Liebherr L544-443 Wheel Loader：6190 to 7476
Liebherr L554-453 Wheel Loader：0501 to 7476

Service Repair Factory Manual Covers:

General Information
Product Description
Maintenance
Diesel Engine , Splitter Box
Cooling System
Travel Hydraulics
Working Hydraulics
Steering System
Brake System
Electrical System
Transmission
Axles and Tyres
Machine Frame and Counterweight
Central Lubrication System
Coverings and Cab Access
Cab, Heating and Air-Conditioning
Lift Arms and Quick-Coupling Device
Attachments and Accessories
Repairs and Troubleshooting

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File Format: PDF
Compatible: All Versions of Windows & Mac
Language: English
Requirements: Adobe PDF Reader & WinZip

TAGS:
Liebherr L544 L554 2plus2 Wheel Loader General Information
Liebherr L544 L554 2plus2 Wheel Loader Tools
Liebherr L544 L554 2plus2 Wheel Loader Technical Data / Maintenance Instructions
Liebherr L544 L554 2plus2 Wheel Loader Engine
Liebherr L544 L554 2plus2 Wheel Loader Coupling / Splitterbox
Liebherr L544 L554 2plus2 Wheel Loader Hydraulic System
Liebherr L544 L554 2plus2 Wheel Loader Hydraulic Components
Liebherr L544 L554 2plus2 Wheel Loader Electrical System
Liebherr L544 L554 2plus2 Wheel Loader Slewing Gear
Liebherr L544 L554 2plus2 Wheel Loader Slewing Ring
Liebherr L544 L554 2plus2 Wheel Loader Two Speed Gear Box / Travel Gear
Liebherr L544 L554 2plus2 Wheel Loader Axles / Track Components
Liebherr L544 L554 2plus2 Wheel Loader Steering
Liebherr L544 L554 2plus2 Wheel Loader Oscillating Axle Support
Liebherr L544 L554 2plus2 Wheel Loader Brake System
Liebherr L544 L554 2plus2 Wheel Loader Special Equipment / Accessory Kits
Liebherr L544 L554 2plus2 Wheel Loader Cab / Heater / Air Conditioning System
Liebherr L544 L554 2plus2 Wheel Loader Undercarriage / Uppercarriage / Attachments
Liebherr L544 L554 2plus2 Wheel Loader Arrangement of Tanks