Description

Hitachi ZX55USR-5A Workshop Manual – Technical Manual

Hitachi ZX55USR-5A Workshop Manual – Technical Manual

Zaxis 55USR-5A Workshop Manual

SECTION 1 GENERAL
1 Precautions for Disassembling and Assembling
2 Tightening
3 Painting
4 Bleeding Air
5 Pressure Release Procedure
6 Preparation
SECTION 2 MAINTENANCE STANDARD
1 Upperstructure
2 Undercarrlage
3 Front Attachment
SECTION 3 UPPERSTRUCTURE
1 Cab
2 Counterweight
5 Pump Device
6 Control Valve
7 Swing Device
8 Pilot Valve
9 Solenoid Valve
10 Revolution Sensing Valve
SECTION 4 UNDERCARRIAGE
1 Swing Bearing
2 Travel Device
3 Center Joint
4 Track Adjuster
5 Front Idler
6 Upper and Lower Roller
7 Track
8 Blade Cylinder
SECTION 5 FRONT ATTACHMENT
1 Front Attachment
2 Cylinder

Zaxis 55USR-5A Workshop Manual – Technical Manual

Group 1 Specifications
Std. Specification
Working Ranges
Group 2 Component Layout
Main Component
Electrical System (Overview)
Electrical System (Relays)
Electrical System (Monitor, Switches)
Electrical System (Battery Room)
Engine
Swing Device
Revolution Sensing Valve/Pilot Filter
Travel Device
Control Valve
2-Spool Solenoid Valve
Group 3 Component Specifications
Engine
Engine Accessories
Hydraulic Component
Electrical Component