RIGGING / DE-RIGGING
BG 25 / 2011 /
2254_BG25_en_0000498763_V01
7 - 8
7.5.2
Assembling the Mast Sections
● Place the mast sections on a firm and level surface to front of the lower mast section.
CAUTION
Risk of damaging components!
Clean flange faces and locating pins and check for damage.
● With the machine, travel up to the mast sections.
WARNING!
Risk of crushing, shearing and hitting!
Avoid getting limbs in between the mast sections.
Minor backstay cylinder movements can lead to major movements of
the mast sections.
During the assembly operations, the operator must keep the person
working at the mast in view at all times.
● During operation with the backstay cylinders, adjust the lower mast section (3) to the
next mast section (1) until holes for assembly pins (2) are in line.
1
2
3
B0000567.wmf
● Install the pins and secure.
● Retract backstay cylinders to raise the lower mast section until flange faces meet.
CAUTION
Risk of damaging components!
Take care the locating pins are properly in place!