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30.8 HYDRAULIC EXCAVATOR WITH
MULTIPURPOSE CRANE
MAIN FIELDS OF APPLICATION
°
Site preparation
°
Water supply and sewerage
°
River work
°
Agricultural, civil engineering work
Crane operation can be carried out without removing the bucket.
This machine is used for laying U section gutters and pipes for water sup-
ply and sewerage as well as river and canal work, agricultural, civil engi-
neering work and site preparation.
MISTAKEN METHODS OF USE
To ensure that the machine has a long life, and to ensure that opera-
tions are carried out in safety, do not operate the machine in any of the
following ways.
•
Do not operate the cylinder to the end of its stroke. Always leave
approx. 5 cm (2 in) to spare.
Abrupt lever operation
Travelling with a suspended load
Operating other work equipment during crane operation
Excessive lengthening of wire rope
30. EXTENDING MACHINE SERVICE LIFE
5-33
5-31
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