FOREWORD INTRODUCTION INTRODUCTION This Komatsu HYDRAULIC EXCAVATOR is designed to be used mainly for the following works: G Digging work G Leveling work G Ditching work G Loading work G Demolition work See the section "RECOMMENDED APPLICATIONS (PAGE 3-79)" for further details. DIRECTIONS OF MACHINE In this manual, the terms front, rear, left, and right refer to the travel direction as seen from the operator's cab when the operator's cab is facing the front and the sprocket is at the rear of the machine. 1-7