INTRODUCTION TO THE READER This manual is written for an experienced technician to provide technical information needed to maintain and repair this machine. Be sure to thoroughly read this manual for cor- rect product information and service procedures. If you have any questions or comments, at if you found any errors regarding the contents of this manual, please contact using “Service Manual Revision Request Form” at the end of this man- ual. (Note: Do not tear off the form. Copy it for us- age.): Publications Marketing & Product Support Hitachi Construction Machinery Co. Ltd. TEL: 81-29-832-7084 FAX:
81-29-831-1162 ADDITIONAL REFERENCES Please refer to the materials listed below in addition to this manual. The Operator’s Manual The Parts Catalog The Engine Manual Parts Catalog of the Engine Hitachi Training Material MANUAL COMPOSITION This manual consists of three portions: the Techni- cal Manual (Operational Principle), the Technical Manual (Troubleshooting) and the Workshop Man- ual. Information included in the Technical Manual (Operational Principle): technical information needed for redelivery and delivery, operation and activation of all devices and systems. Information included in the Technical Manual (Troubleshooting):
technical information needed for operational per- formance tests, and troubleshooting procedures. Information included in the Workshop Manual: technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal/installation and assem- ble/disassemble procedures. PAGE NUMBER Each page has a number, located on the center lower part of the page, and each number contains the following information: Example : T 1-3-5 Consecutive Page Number for Each Group Group Number Section Number T: Technical Manual W: Workshop Manual IN-01