Liebherr Truck-mounted concrete pumps - Manual (Page 5)

5
The distributor booms
Reduced boom width is highly advan-
tageous when inserting into openings
in buildings. Largely-dimensioned hydraulic
cylinders and sturdy hinged pins
ensure even and vibration-free
movements, contributing to a
longer life-expectancy.
Distributor booms from Liebherr are available in roll-fold, Z-fold or multi-fold de-
signs (depending on the respective type) featuring three, four or five boom ele-
ments.
The balanced weight distribution resulting from alternating pipeline guidance
on the left-hand and right-hand boom side, as well as the torsional resistant
steel structure, ensures low-vibration guidance of the boom. Arrangement of the
pipeline close to the boom, combined with the large-sized pins and hydraulic
cylinders contribute to a safe and consistent guidance of the boom.
Pipe bends are predominantly the same, making the storage of wear parts eas-
ier. Due to their large radius (R=275), the pipe bends reduce resistance in the
concrete line.
High pressure filtering in the boom ensures exceptionally clean hydraulic oil to
improve operational safety. Considerably smaller particles can be filtered out in
the high-pressure range.
Reduced boom width