PDF Operating Manual Liebherr R944C Hydraulic Excavator - 9 MB

This comprehensive operating manual provides all the necessary information to safely and efficiently operate the Liebherr R944C Hydraulic Excavator.

Understanding the correct procedures outlined in this guide will help you maximize performance and extend the lifespan of your machine.

Inside, you'll find detailed instructions on controls, daily checks, and routine maintenance tasks, making it an essential resource for every operator.

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--- Page 3 ---
Fig. 1-1   Machine with backhoe attachment


              MJFCIFSS

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--- Page 5 ---
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--- Page 6 ---
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--- Page 12 ---
Fig. 3-19   Menu "Info In/Outputs" Active flow and pressure limitations


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--- Page 15 ---
Fig. 3-49   Air conditioning operation and Reheat-operation


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Fig. 3-55   Display of the term of upcoming maintenance works


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--- Page 18 ---
Fig. 3-73   Boom cylinders control


Fig. 3-74   Float position of the boom cylinders with a shovel attachment


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--- Page 19 ---
Fig. 3-83   Commutation of standard control for an additional attachment


Fig. 3-84   Commutation of proportional control for an additional attachment


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Fig. 3-92   Emergency shutoff valve from the operator’s seat


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--- Page 23 ---
Fig. 3-107 Locking the quick-change adapter


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Fig. 3-120 LIKUFIX


Fig. 3-121 Connecting LIKUFIX


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Fig. 3-136 Hydraulic hammer


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--- Page 26 ---
Fig. 3-146


Fig. 3-147


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--- Page 27 ---
lifting points and tie-down points


Fig. 3-155 Secure the machine (4 tie-down points)


Tab. 3-1   Tie-down angles


                                                    tie-
   down point


    lifting points and tie-down points


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--- Page 29 ---
Fig. 5-1   Access doors on the machine


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--- Page 30 ---
Tab. 5-4   Fresh water quality with use of DCA 4*


Tab. 5-5   Permissible mixing ratio (for all seasons)


Fig. 5-4   Temperature-based mixing ratio of water + corrosion inhibitor / antifreeze
           agent


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Fig. 5-9   Oil level markings on the dipstick


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Fig. 5-30   Draining the fuel tank


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Fig. 5-48   Cooling pump


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Fig. 5-59   Checking oil level and changing oil in swing gear


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Fig. 5-71   Push-button S104 - preselection of width adjustment


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Fig. 5-86   Centralized lubrication system


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Fig. 5-97   Replacing the sealing ring


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