L68B1 Mast Section Method of erecting a tower crane

28-10-2019

1. Hang up a section of reinforcement section to the upper part of the support section and fix the distance of the lifting section of the boom section. At this point the boom is separated from the support point of the support joint.
2. Basement installation: assembly of the base frame on the basis, use the level meter to find the flat foot and lock the anchor bolt.
3. The balance arm is placed and anchored to the standard section of the tower body.
4. Install three oblique support rods, and fix one end of the suspension rod for the time being without installing the fourth one.
5. Hang the second standard section to the first standard section and fix it, then raise the boom by 1M. Note that the upper guide clip is fixed before ascension.
6. Hang the support section to the second standard section and fix the distance of the lifting section of the boom.

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