
Hitachi Zaxis ZX450-3 Zx870 Excavator Service Manual
Hitachi ZX70-3 to Zx350 Hydraulic
Introduction to the Hitachi Zaxis ZX450-3 Zx870 Excavator: Begin by providing an overview of the Hitachi Zaxis ZX450-3 Zx870 Excavator excavator, its features, and capabilities. Discuss its specifications, such as engine power, operating weight, bucket capacity, and maximum digging depth.
Maintenance and Inspection: Discuss the importance of regular maintenance and inspection procedures for the Zaxis ZX450-3 Zx870 Excavator. Cover topics such as lubrication, filter replacements, fluid checks, and overall machine cleanliness. Explain the recommended maintenance intervals and highlight any specific maintenance requirements unique to the Hitachi Zaxis ZX140-3 Zx310 Excavator Repair.
Troubleshooting and Diagnostics: Provide guidance on troubleshooting common issues that may arise during the operation of the Zaxis ZX450-3 Zx870 Excavator. Discuss techniques for identifying problems, such as abnormal noises, leaks, or performance issues. Explain how to use diagnostic tools and error codes to diagnose and resolve issues efficiently.
Service and Repair Procedures: Cover the necessary steps for servicing and repairing the Zaxis ZX450-3 Zx870 Excavator. Discuss topics such as disassembly and assembly of components, hydraulic system maintenance, electrical system troubleshooting, and engine repair. Emphasize safety precautions and best practices throughout the service and repair processes.
Parts and Documentation: Explain the importance of using genuine Hitachi parts for maintenance and repairs. Provide guidance on how to identify and order the correct parts for the Zaxis ZX70-3 to Zx350 Excavator. Discuss the availability of technical manuals, service bulletins, and other documentation that can aid in the servicing process.
Hitachi Zaxis ZX450-3 Service and Repair Procedures
Service Repair Manual Covers:
Discover the advanced features and superior performance of the Hitachi Zaxis ZX450-3 Zx870 excavator. Find out how this compact machine boosts productivity and efficiency on the job site.
SECTION 1 GENERAL INFORMATION
1 Precautions for disassembling and
Assembling
2 Tightening Torque
3 Painting
4 Bleeding Air from Hydraulic Oil Tank
SECTION 2 UPPERSTRUCTURE
1 Cab
2 Counterweight
3 Main Frame
4 Pump Device
5 Control Valve
6 Swing Device
7 Pilot Valve
8 Pilot Shut-Off Valve
9 Signal Control Valve
10 Travel Shockless Valve
11 Solenoid Valve
12 Pilot Relief Valve
13 Steering Valve
14 Brake Valve
15 Accumulator Charging Valve
16 Transmission Control Valve
SECTION 3 UNDERCARRIAGE
1 Swing Bearing
2 Travel Motor
3 Center Joint
4 Transmission
5 Axle
6 Axle Lock Cylinder
7 Operate-Check Valve
SECTION 4 FRONT ATTACHMENT
1 Front Attachment
2 Cylinder
3 Hose-Rupture Safety Valve
4 Operate-Check Valve
SECTION 5 ENGINE AND ACCESSORY
And More…
All You Need to Know About the Hitachi Zaxis ZX450-3 Zx870