Kobelco SK17SR-3 Excavator Service Manual

TABLE OF CONTENT – Shop manual

INDEX
SPECIFICATIONS
MAINTENANCE
SYSTEM
DISASSEMBLING
TROUBLESHOOTING
ENGINE

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 Shop 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 Shop/Service Manual of the SK17SR-3 Excavator 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 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.

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 SERVICE MANUAL. Improper machine operation is dangerous and could result in injury or death.

MAINTENANCE STANDARDS AND TEST PROCEDURES
TABLE OF CONTENTS
13.1 HOW TO USE MAINTENANCE STANDARDS AND PRECAUTIONS …………………………. 13-3
13.2 PERFORMANCE INSPECTION STANDARD TABLE ………………………………………………. 13-5
13.2.1 STANDARD VALUE TABLE ………………………………………………………………………….. 13-5
13.3 MEASURING ENGINE SPEED …………………………………………………………………………….. 13-7
13.3.1 ENGINE SPEED MEASUREMENT ………………………………………………………………… 13-7
13.4 MEASURING HYDRAULIC OIL PRESSURE ………………………………………………………….. 13-9
13.4.1 STANDARD FOR HYDRAULIC OIL PRESSURE MEASUREMENT ……………………. 13-9
13.4.2 PRESSURE MEASUREMENT AND ADJUSTMENT …………………………………………. 13-9
13.5 MEASURING TRAVEL PERFORMANCES …………………………………………………………….. 13-12
13.5.1 Travel ………………………………………………………………………………………………………… 13-12
13.5.2 Travel Deviation …………………………………………………………………………………………… 13-12
13.5.3 Movement drift due to gravity …………………………………………………………………………. 13-13
13.5.4 DRAIN RATE ON TRAVEL MOTOR ……………………………………………………………….. 13-13
13.6 MEASURING SLEW PERFORMANCES ………………………………………………………………… 13-14
13.6.1 Slew Time …………………………………………………………………………………………………… 13-14
13.6.2 Overrun When Slewing Stops ………………………………………………………………………… 13-14
13.6.3 Slew Drift due to Gravity ………………………………………………………………………………… 13-14
13.6.4 Drain Rate of Travel Motor …………………………………………………………………………….. 13-15
13.7 MEASURING ATTACHMENT OPERATING PERFORMANCES ……………………………….. 13-16
13.7.1 Cylinder Speed ……………………………………………………………………………………………. 13-16
13.7.2 Gravity drift of Cylinders ………………………………………………………………………………… 13-17
13.8 MEASURING SLEW BEARING PERFORMANCES …………………………………………………. 13-18
13.8.1 Slew Bearing-Bucket Tip Play ………………………………………………………………………… 13-18
13.8.2 Slew Bearing Play ………………………………………………………………………………………… 13-18
13.9 MEASURING CRAWLER TENSION ……………………………………………………………………… 13-19
13.9.1 Crawler Tension ………………………………………………………………………………………….. 13-19