Kobelco SK850, SK850LC SUPER ACERA Tier 3 Excavator Service Manual

TABLE OF CONTENTS

SPECIFICATIONS SECTION
MAINTENANCE SECTION
SYSTEM SECTION
DISASSEMBLY SECTION
TROUBLESHOOTING
ENGINE SECTION

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

Sections of the Manual

How to Index each manual section. The General of his 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.

REPAIR and Parts

Carry out any necessary repair work as soon as possible. This reduces repair costs and increases the availability of your Excavator. When doing any work on the Excavator, always observe the instructions given in the Manual. Do not operate this machine unless you have read and understand the instructions in the manual. Improper machine operation is dangerous and could result in injury or death.

Reassembling hydraulic
1) During the parts cleaning, ventilate the room.
2) Before assembly, clean parts roughly first, and then completely.
3) Remove adhering oil by compressed air, and apply hydraulic oil or gear oil, and then assemble them.
4) Replace the removed O-ring, back-up rings and oil seal with new ones, and apply grease oil on them before assembling.
5) Removes dirt and water on the surface on which liquid sealant are applied, decrease them, and apply liquid sealant on them.
6) Before assembling, remove rust preventives on new parts.
7) Use special tools to fit bearings, bushing and oil seal.
8) Assemble parts matching to the marks.
9) After completion, check that there is no omission of parts.

Installing hydraulic equipment
1) Confirm hydraulic oil and lubrication oil.
2) Air release is required in the following cases ;
1. Change of hydraulic oil
2. Replacement of parts on suction pipe side
3. Removing and attaching hydraulic pump
4. Removing and attaching swing motor
5. Removing and attaching travel motor
6. Removing and attaching hydraulic cylinder

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