Liebherr A900C A904C A914C A924C Litronic Service Manual

Service Manual Hydraulic Excavator A 900 C - A 924 C Litronic EDC 1 Document identification Order no.: 10216479 Edition: 09 / 2004 Update no. 1: 01 / 2005 Update no. 2: 05 / 2006 Update no. 3: 09 / 2006 Update no. 4: 04 / 2007 Last update: 09 / 2010 Author: LHB - Technical Documentation Department 2 Product identification Manufacturer: LIEBHERR Hydraulikbagger GmbH Type: A 900 C - A 924 C Litronic EDC Conformity: CE 3 Address of copyright owner Liebherr Hydraulikbagger GmbH Liebherr-Strasse 12 D - 88457 Kirchdorf / IllerGermany Manual no. .............................. User: ......................................... en

Service Manual Symbols used in this manual Introduction Introduction This manual contains technical data, design and functional descriptions, as well as instructions as regards the operation and the adjustment of machine settings. The document includes a number of drawings, functional schematics, as well as detailed views of units and assemblies of LIEBHERR hydraulic excavators. The documentation has been designed to support customer support services, but does of course not replace proper technical training and qualification of the user, and participation in LIEBHERR opera- tor training courses. General basic technical information is not included in the manual. For operating instructions and information on spare parts, please refer to the separate documentation. During all work on the machine, strictly adhere to the relevant accident prevention and safety regu- lations. 1 Symbols used in this manual Tasks and procedures that are associated with specific dangers are accompanied by safety instructions. The safety instructions are graded according to the severity of the risk and are identified with the terms DANGER, CAUTION and NOTE and the respective danger symbol: These terms are used in combination with the following symbols: – This symbol precedes entries in a list. • This symbol precedes entries in a sub-list. This symbol identifies "Pre-condition MUST be fulfilled" This symbol indicates a single procedure in a sequence of procedures. This symbol indicates a result of an action. This manual has been exclusively compiled for internal use by the registered machine owner. It may not be reproduced or made available to third parties without the explicit written consent of LIEBHERR, who retains all rights in this document. This publication remains the property of LIEBHERR-HYDRAULIKBAGGER GMBH. All rights reserved – printed in Germany. This service 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. Danger Warning referring to a danger where there is a high probability of death or serious injury to opera- tors, unless the prescribed safety measures are taken. Caution Warning relating to dangers that might lead to injury or damage to the machine, unless the prescribed safety measures are taken. Note This symbol accompanies instructions and tips regarding the operation, maintenance and repair of the equipment. If adhered to, the service life of the machine can be prolonged and/or procedures are made easier.

Introduction Service Manual Symbols used in this manual Depending on the series development, the service manual shall be revised in electronic format. Changes and amendments are listed in group 1.02. This manual might be complemented by additional service information sheets issued by LIEBHERR. Compiled by the Technical Documentation Department. Published by Customer Service Centre Training Group of LIEBHERR-HYDRAULIKBAGGER GMBH 88457 Kirchdorf / lller, Germany. We hope that the information in this documentation aimed at improving the service of LIEBHERR excavators is of use to you. 1.1 Explanation In order to make it easy for users to find specific information regarding revised or amended docu- ments, each page is identified as follows: The main groups are listed in the main group directory. The subgroups are listed on the first page of each main group section. The subgroup list also includes the machines and serial numbers to which the subgroup is relevant. In the event of minor changes, we will send you the amended page showing the current date. If an existing subgroup is completely revised and re-edited, the new version will be assigned a new subgroup number. A Page number D Drive motor B Subgroup E Diesel engine C Main group F Page

General Information 1 Tools 2 Technical Data / Maintenance Guidelines 3 Engine 4 Clutch / Splitterbox 5 Hydraulic System 6 Hydraulic Components 7 Electrical System 8 Swing Gear 9 Swing ring 10 Two Speed Gear Box 11 Axles / Gear Box 12 Steering 13 Oscillating Axle Stabilizer 14 Brake system 15 Special Attachments / Accessory Kits 16 Cab Heater / Air Conditioning System 17 Undercarriage / Uppercarriage / Attachments 18 Arrangement of Tanks 19

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Liebherr A900C A904C A914C A924C Litronic Service Manual

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