Baoli CPDS15 - Mast System; General Description

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8. Mast system
8.1 General description
The mast system is the type of lifting and descending vertically with rollers of the
two-stage. It consists of inner mast, outer mast and 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.
Type
Rolling type, J-shaped inner mast, C-shaped outer mast
with free lift, 2-stage telescopic mast
Roller
Φ112.3
Side roller
Φ40
Chain wheel
Φ40×Φ95×Φ113
Lifting chain
LH1223, 2×3 combination
Upper roller, outer mast
Φ91.5
Mast lifting system
Hydraulic
Mast tilting device
Hydraulic
Fork clearance adjustment
Manual
8.1.1 Inner and outer masts (Fig.8-1)
The inner and outer masts are welded parts. The bottom of outer mast is connected
with the drive axle through supporting. At the outside middle of outer mast, there are tilt
cylinder connected with the frame. The mast assembly can be tilt forward and backward by
operating the tilt cylinder.
The outer mast is C-shaped cross section, fixed with main rollers and side rollers on
the upper part of it.
The inner mast is J-shaped cross section, fixed with main rollers and side rollers at the
bottom of it.
The maintenance of the rollers and the side rollers on the inner and outer masts
belong to exalted maintenance. Please be careful.