Snorkel S2632E-sn000000 - Manual (Page 8)

6 S1930E/S1932E/S2632E – 1360417
Special Limitations
Beaufort Scale
Never operate the machine when wind speeds exceed
12.5 m/s (28 mph) [Beaufort scale 6]. Refer to Figure 1.
BEAUFORT
RATING
WIND SPEED
GROUND CONDITIONS
m/s km/h ft/s mph
3 3,4~5,4 12,25~19,4 11.5~17.75 7.5~12.0 Papers and thin branches move, flags wave.
4 5,4~8,0 19,4~28,8 17.75~26.25 12.0~18 Dust is raised, paper whirls up, and small branches sway.
5 8,0~10,8 28,8~38,9 26.25~35.5 18~24.25 Shrubs with leaves start swaying. Wave crests are apparent in ponds
or swamps.
6 10,8~13,9 38,9~50,0 35.5~45.5 24.5~31 Tree branches move. Power lines whistle. It is difficult to open an
umbrella.
7 13,9~17,2 50,0~61,9 45.5~56.5 31.~38.5 Whole trees sway. It is difficult to walk against the wind
Figure 1 – Beaufort Scale