Hitachi ZX48U-3, ZX52U-3 Excavator Technical Repair Manual

Model: Excavator ZX48U-3, ZX52U-3
Format: PDF
Language: English

Hitachi ZX48U-3, ZX52U-3 Mini Excavator Service Repair Manual:

• Technical Manual : Vol. No.TADJ90-EN – 356 Pages
• Operators Manual : Vol. No.EM1NE-EN – 246 Pages
• Electrical and Hydraulic Diagrams – 16 Pages
• Parts Catalog Manual – 471 Pages

SI Units (International System of Units) are used in those manual.

Hitachi ZX48U-3, ZX52U-3 Manual Composition

SECTION 1 GENERAL
Group 1 Specifications
Group 2 Component Layout
Group 3 Component Specifications
SECTION 2 SYSTEM
Group 1 Control System
Group 2 Hydraulic System
Group 3 Electrical System
SECTION 3 COMPONENT OPERATION
Group 1 Pump Device
Group 2 Revolution Sensing Valve
Group 3 Swing Valve
Group 4 Control Valve
Group 5 Pilot Valve
Group 6 Travel Device
Group 7 Others (Upperstructure)
Group 8 Others (Undercarriage)
SECTION 4 OPERATIONAL PERFORMANCE TEST
Group 1 Introduction
Group 2 Standard
Group 3 Engine Test
Group 4 Excavator Test
Group 5 Component Test
Group 6 Adjustment
SECTION 5 TROUBLESHOOTING
Group 1 Diagnosing Procedure
Group 2 Troubleshooting A
Group 3 Troubleshooting B
Group 4 Troubleshooting C
Group 5 Electrical System Inspection

This manual is written for an experienced technician to provide technical information needed to maintain and
repair this machine. The machine specification and description according to destination may be explained on this manual.
Be sure to thoroughly read this manual for correct product information and service procedures.

Information included in the Technical Manual: Technical information needed for redelivery and delivery, operation and activation of all devices and systems, operational performance 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 assemble / disassemble
procedures.

Information included in the Engine Manual: Technical information needed for redelivery and delivery and maintenance and repair of the machine, operation and activation of all devices and systems, troubleshooting and assemble / disassemble procedure