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Technical documentation

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Technical documentation Hydraulic excavator / Material handler R 924 Compact from serial number 14749

Document identification Order number:

10359401

Issue:

03 / 2010

Valid for:

R 924 Compact from serial number 14749

Author:

LFR - Technical documentation department

Product identification Manufacturer:

LIEBHERR France S.A.S.

Type:

198 / 911

Conformity:

CE

R 924 Compact copyright by

MJFCIFSS


Service Manual

1

General information

2

Tools

3

Technical data / Maintenance guidelines

4

Engine

5

Coupling / Splitterbox

6

Hydraulic system

7

Hydraulic components

8

Electrical system

9

Swing gear

10

Swing ring

11

Travel gear

12

Track components

13 14 15 16

Options

17

Cab / Heater / Air conditioning system

18

Central lubrication

copyright by

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Service Manual

Introduction This manual contains technical data, design and functional descriptions, as well as service and set up instructions. The documents include numbers of drawings, functional diagrams, as well as detailed views of units and assemblies of LIEBHERR hydraulic excavators. This manual has been created in order to assist the customer support services, but does of course replace neither proper technical training and qualification of the user nor participation in LIEBHERR operator training courses. General basic technical information is not included in this manual. For operating instructions and information on spare parts, please refer to the separate documentation. For maintenance and reparation of the machine, follow conscientiously the safety instructions and warnings.

Symbols used in this manual In this manual the description of tasks and procedures that are associated with specific dangers are accompanied by safety instructions mentioning the danger related to described work. The safety instructions are graded according to the severity of the risk, and are identified with the symbols «Danger» and «Caution», which have the following significances: These terms are identified by symbols in the operating instructions and : Danger! Warning referring to a danger where there is a high probability of death or serious injury to operators, unless the prescribed safety measures are taken.

Caution! Warning relating to dangers that might lead to injury or machine damages, unless the prescribed safety measures are taken. The symbol «Note» is destined to attract the attention of the persons having to intervene on the machine upon observations and comments concerning the procedure to be followed for operating as well for maintenance or repair works. Note! Comments and advices which will, if adhered to, help you to keep your excavator operating, to insure longlife to your machine and to facilitate certain procedures.

Signification of specific punctuation marks in descriptions – This mark introduces «an entry in a list». • This mark introduces «an entry in a sublist». This mark indicates «a requirement that must be fulfilled», before going on with the procedure below. This mark identifies «an injunction to perform the mentioned action». This mark indicates «the normally expected result of a carried out action».

About the contain of this Service Handbuchs This manual may not be replicated or made available to third parties without the explicit written consent of LIEBHERR, who retains all rights in this documents. All rights reserved - Printed in France.

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Service Manual

This manual shall be amended without prior notice to reflect new technical developments and machine series. LIEBHERR reserves the right to make minor technical amendments to the machines that might not be reflected in the accompanying documentation. This manual might be complemented by additional service information sheets issued by LIEBHERR. This manual has been compiled and published by the Technical Documentation Department of LIEBHERR-FRANCE SAS 68005 Colmar cedex. We hope that the information in this documentation, aimed at improving the service of LIEBHERR excavators, is useful to you.

Structuration of our Service Manuals In order to make it easy for users to find a specific sheet or information on a certain group, and to file amended and additional pages, each page is identified as follows: .

7.

12.

Main Group

Example 7. = Main Group «Hydraulic components»

Sub Group

12. = Sub Group «Variable Flow Hydraulic Pump - Type LPVD»

Number of the Page in Sub Group

14. = Page «Adjustment for Variable Flow Hydraulic Pump LPVD»

14

The main groups are listed in the table of contents at the beginning of the book. The subgroups are listed on a subgroup index, on the first page of each main group section. This subgroup index also includes the indication of machines modells, types and serial number to which the subgroup is relevant.

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Fig. 1

Torque wrench

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Fig. 2

Markings, turning distance, turning angle

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Fig. 3

Torque wrench

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Fig. 4

Operation of the assembly device

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Fig. 5

Angle scale

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Fig. 1

Torque wrench

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Fig. 2

Marks, turning angle and distance on the piston rod bearing

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Tab. 1

Lubricants table

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Tab. 2

Fuels, lubricants and process chemicals

Tab. 3

Lubricating oil for the diesel engine

Fig. 1

Engine oil for use as a lubricating oil for the diesel engine

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Tab. 4

Oil change intervals

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Tab. 5

Recommended oils for hydraulic oil applications

Fig. 2

Engine oil for hydraulic oil applications

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Fig. 3

Oil sampling from machines in normal use

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Fig. 4

Oil sampling from machines used for dust intensive applications

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Tab. 6

Grease and other lubricants

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Tab. 7

Water / anti-corrosion / antifreeze proportions

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Fig. 10-4

Refractometre Gefo no. 2710

Fig. 5

Conversion table - refractometre Gefo no. 2710

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Tab. 8

Permitted hydrosoluble anti-corrosions

Tab. 9

Filling DCA 4 volumes

Tab. 10

Water quality with the use of anti-corrosion / antifreeze agent

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Tab. 11

Water quality with the use of DCA 4 coolant

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Tab. 12

Permitted anti-corrosion / antifreeze fluids

Tab. 13

Permitted anti-corrosion / antifreeze / 50:50 Premix

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Tab. 1

* = Guide values

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Tab. 2

Lubricating oil for the diesel engine - specifications

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Fig. 1

Temperature-based selection of the SAE class

Tab. 3

Oil change intervals for the diesel engine

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Tab. 4

Fresh water quality

Tab. 5

Fresh water quality with use of DCA 4

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Tab. 6

Mixture ratio (for all seasons)

Fig. 2

Temperature-based mixing ratio of water + corrosion inhibitor and anti-freeze agent

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Fig. 3

Hydraulic oil for use as hydraulic oil (ISO classes)*.

Tab. 7

Engine oils for use as hydraulic oil

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Fig. 4

Engine oils for use as hydraulic oil (SAE classes)*

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LIEBHERR R924 COMPACT HYDRAULIC EXCAVATOR EXCAVATOR Service Repair Manual SN:14749 and up  
LIEBHERR R924 COMPACT HYDRAULIC EXCAVATOR EXCAVATOR Service Repair Manual SN:14749 and up  
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