Komatsu PC400LC-5 Operation & Maintenance Manual page 248

33. EXTENDING MACHINE SERVICE LIFE
33.8 HYDRAULIC EXCAVATOR WITH MULTI-
PURPOSE CRANE
MAIN FIELDS OF APPLICATION
0
Site preparation
o Water supply and sewerage
o River work
o Agricultural, civil engineering work
Crane operation can be carried out without removing the bucket.
This machine is used for laying U section gutters and hume
pipes for water supply and sewerage as well as river and canal work,
agricultural, civil engineering work and site preparation.
MISTAKEN METHODS OF USE
To ensure that the machine has a long life, and to ensure that
operations are carried out in safety, do not operate the machine in
any of the following ways.
l Do not operate the cylinder to the end of its stroke.
Always leave approx. 5 cm (2 in) to spare.
AE099660
Abrupt lever operation
I _
AE099670
Traveling with a suspended load
AE099680
Operating other work equipment during crane operation
Excessive lengthening of wire rope
I
AE099690
I
AE099700
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