58
7.3 Fork carriage (figure 2-69)
Fork carriage move inside inner mast by main roller, main roller fitted on shaft locked by clip
ring, main roller shaft also welded on fork carriage, side roller fixed on fork carriage by bolts, rolling
along outside of wing board of inner mast, it can be regulated by adjust shim. In order to prevent
rolling clearance, there are two fastness side roller rolling along outside of wing board of outer
mast. Longitudinal load borne by main roller, when fork lift on top,upper roller appear from top of
mast. Transverse load borne side roller.
1. Load-backrest
2.washer16
3.spring washer16
4.bolt
5. Longitudinal roller
6. circlip for shaft
7. adjusting washer
Ⅱ
8. adjusting washer
Ⅲ
9. Side roller
10.washer12
11.spring washer12
12.bolt
13. Adjust ring
14. Side roller shaft
15.bolt
16. Side roller
17. fork rack
Figure 2-69 fork carrier
7.4 Roller position (figure 2-70)
There are two rollers: outer frame roller unit as well as inner frame and fork carriage roller unit,
witch is fitted on outer mast as well as inner mast and fork carriage respectively. Each roller unit
consist of main roller and side roller, main roller bear load witch direction are forward and
backward, side roller bear side load, both sort of rollers make inner mast and fork carriage move
freely.
