Content

Introduction

Symbol and abbreviation

Safety

General information

• Precautions for Disassembling and assembling
• Tightening
• Painting
• Bleeding air
• Pressure release procedure
• Preparation

Maintenance standard

• Upperstructure
• Undercarriage
• Front attachment

Upperstructure

• Cab
• Counterweight
• Main frame
• Engine
• Radiator assembly
• Hydraulic oil tank
• Fuel tank
• Pump device
• Control valve
• Swing device
• Pilot valve
• Solenoid valve
• Signal control valve

Undercarriage

• Swing bearing
• Travel device
• Center joint
• Track adjuster
• Upper and lower rollers
• Track

Front attachment

• Front attachment
• Cylinder