Kobelco 50SR ACERA Tier 4 Excavator Service Manual

TABLE OF CONTENTS

General
Specification
Maintenance
Systems
Disassembling
Troubleshooting
Engine
Installation Procedures for optional attachments

Preface Instructions

Read and understand all Warning plates and decal on the machine before Operating, Maintaining or Repairing this machine. The Manual has been written for the repair specialist. The serviceman or mechanic may be unfamiliar with many of the systems on this machine. This makes it important to use this manual and be caution when performing service work.

Please go carefully through the Manual of the Excavator before starting any repair work. Use proper lifting procedures when removing any components. Be careful when removing filler caps, breathers and plugs on the machine. Hold a rag over the cap or plug to prevent being sprayed or splashed by liquids under pressure. The danger is even greater if the machine has just been stopped because fluids can be hot.

Use the Manual as a reference book and source of information even if you are familiar with Excavator technology. Using the Manual, the experience construction machine mechanic can carry out any necessary repairs expertly.

Sections of the Manual

How to Index each Service manual section. The General of his Service Manual consists of 8 heading as shown above. Each section can easily referred to by indexes appended to the margin of the page as indicated on the right.

General Precautions for Disassembly and Assembly
For disassembly and assembly, select the clean area.
Clean around the port and remove the paints of the joint with wire brush.
Clean the removed parts with cleaning solvent, like light oil, etc.
Replace seals with new ones every disassembly, and apply hydraulic oil or grease lightly.
Check every part for severe wear and seizure, and remove burr, etc. with oil stone.
Check that seal groove is free from foreign substances, dust, etc.

Identify the Tier Level of your Equipment (Read our Article on Tier Level )