SAFETY
GTTZ10EJ Operation Manual 3-5 © Mar. 2022
UNSAFE JOBSITE HAZARDS
• Do not raise the platform when
the machine is on the slope
greater than 3°.
Before or during machine operation, check the jobsite
for possible hazards and beware of the environmental
restrictions, including flammable and explosive gas/
dust. If the machine is to be used in any other
applications, or by any other means, other than those
specified by Sinoboom, it must be approved or guided
by the manufacturer.
Table 3-2
BEAUFORT
NUMBER
METERS/
SECOND
MILE/
HOUR
DESCRIPTI-
ON
GROUND CONDITION
0 0～0.2 0～0.5 Calm
Calm. Smoke rises vertically.
1 0.3～1.5 1～3
Light air
Wind motion visible in smoke.
2 1.6～3.3 4～7
Light breeze
Wind felt on exposed skin. Leaves rustle.
3 3.4～5.4 8～12
Gentle
breeze
Leaves and smaller twigs in constant motion.
4 5.5～7.9 13～18
Moderate
breeze
Dust and loose paper rise. Small branches begin
to move.
5 8.0～10.7 19～24 Fresh breeze
Smaller trees sway.
6 10.8～13.8 25～31
Strong
breeze
Large branches in motion. Flags waving near
horizontal. Umbrella use becomes difficult.
7 13.9～17.1 32～38
Near gale/
moderate
gale
Whole trees in motion. Effort needed to walk
against the wind.
8 17.2～20.7 39～46
Fresh gale Twigs broken from trees. Cars veer on road.
9 20.8～24.4 47～54
Strong gale Light structure damage.
NOTICE
Maximum gradeability is applicable for machines with
platform retracted.
Gradeability means the maximum allowable tilt angle
of the machine when it is on solid ground and the
platform is only capable of carrying one person. As
the weight of the machine’s platform increases, the
machine’s climbing capacity reduces.
Maximum gradeability:
Slope rating: 25%/14°
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