8. Lifting system
8.1 General description
The lifting system is the type of lifting and descending vertically with rollers of the
two-stage. It consists of the inner mast, the outer mast and the lift bracket.
The fork is fastened on the bracket upper beam groove with pin, the fork clearance
can be adjusted. The fork and bracket can be exchanged according to the international
standard.
8.1.1 Inner and outer mast (Fig.8-1 and Fig. 8-2)
The inner and outer mast both are welded parts. The bottom of outer mast is
assembled on the drive axle with support. The outside middle of outer mast is connected
with the frame by tilt cylinders. The mast assembly can be tilted forward and backward by
operating tilt cylinders. The outer mast has C-shaped cross section, fixed with main rollers
and side rollers on the top of it. The inner mast has J-shaped cross section, fixed with
main rollers and side rollers at the bottom of it.
NOTICE: Please pay more regard to safety when maintaining the main rollers
and side rollers on the upper of the mast.
1. Inner mast
2. Outer mast
3. Main roller
4. Shim
5. Ring
6. Main roller
7. Gasket
8. Slipper
9. Shim
10. Pin shaft
11. Cap
12. Bushing
Fig. 8-1 Inner and outer mast (1-1.5t)
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