Hitachi ZAXIS 250LC-7 Operator's Manual page 2

INTRODUCTION
For All Machine Users
 This instruction manual describes the basic knowledge for the operation and inspection and maintenance procedures
applied when a super long front is mounted to the hydraulic excavator (main system).
This manual contains only the additional information related to the Super Long Front operation that differ from the
parts in the Operation Manual for the standard Hydraulic Excavator. Be sure to thoroughly read and understand the
Operator's manual for the standard machine (base machine) before operating this machine.
Contents described in this manual have priority.
Before starting to operate the machine, read this manual thoroughly and understand the contents.
Operate and service the machine safely and correctly.
 Keep the operator's manual at the operating seat so that an operator can check the content anytime he/she needs. Any
operation that does not conform to contents of this manual will lead to serious accidents and/or system failure.
 In addition, when you are replacing consumable parts, refer to the list of consumable parts before ordering them. Also,
always use Hitachi genuine parts. Using other than genuine parts will lead to serious accidents and/or system failure.
 If you have any questions regarding the machine, provide the Model/type (model name) and the PIN (Product
Identification Number) of your machine.
Model/type and PIN are marked on the nameplate at the front side of the main frame.
Confirm the information beforehand and make a note in the blank after "PIN indication" on the first page of this
manual.
 This manual is an important part of this machine. If you hand over your machine, surely attach this manual to the
machine for the new user. Any operation that does not conform to contents of this manual will lead to serious
accidents and/or system failure.
 Due to modifications of the machine, contents of this manual and delivered machine may partially differ from each
other.
If you have any questions or find any part that concerns you, contact our branch office or our sales office nearest to
you.
 This manual mainly applies SI (international) units for descriptions of amounts and quantities. In addition, it provides a
numeric value in traditional (MKS) or conventional unit as a reference value in parenthesis followed as needed.
Ex. 25.0 MPa (255 kgf/cm )
2
 Be sure to use fuel that complies with JIS K-2204, EN-590 or ASTM D-975 which contains 15 ppm or lower sulfur. Also
use fuel that complies with solid contamination level of class 18/16/13 of ISO4406-1999 (solid contamination includes
dust). If the fuel specifiedabove is not used, exhaust gas that exceeds the regulation values may be discharged, causing
serious problem on the engine. Consult your authorized dealer.
©2020- Hitachi Construction Machinery (Europe) NV
All rights reserved.