96
6.1 General description
The lifting system is of the two-stage roller type with vertical up and down. It consists
of the inner mast, the outer mast, two rear lifting cylinder, fork carrier, backrest and fork.
6.2 Inner and outer mast
The inner and outer portal frames are welded parts, and the whole mast is mounted on
the frame by supporting axle. The middle part of the outer mast is connected with the frame