Komatsu PW130ES-6K Operation & Maintenance Manual page 256

OPTIONS, ATTACHMENTS
Do not operate the cylinder to the end of its stroke.
G
Always leave approx. 5 cm to spare.
Operations using the swing force
Operations using one side of work equipment
Catching and dragging with claw end
Gouging.
INTRODUCTION OF ATTACHMENTS AND EXTENDING MACHINE SERVICE LIFE
AM092360A
255