It is FULL Operator's Manual for Liebherr Hydraulic Excavators model:

R944C from serial number 22 915

Language: English
Number of pages: 424 full digital copy

They contain:
the technical data.
the safety requirements.
the operating instructions.
the maintenance instructions.

Main sections:
Product description
Safety instructions
Control and operation
Malfunctions
Maintenance

If you are looking diffrent Liebherr Operator's Manual please contact with me daizor@interia.pl