© Jun 2020 3-4 GTJZ1412E&1414E&1412E Plus Operation Manual
SAFETY
WORK ENVIRONMENT
HAZARDS
UNSAFE JOBSITE HAZARDS
• Do not operate the machine on
surfaces, edges or potholes that
cannot bear the weight of the ma-
chine. Raise or extend the plat-
form only when the machine is on
firm, flat ground.
• Do not use the tilt alarm as a hori-
zontal indicator. The tilt alarm on
the platform will sound only when
the machine is heavily tilted.
• If the tilt alarm sounds while lifting
the platform, be very careful when
lowering the platform. Do not
change the level or limit switch.
• Running speed should not exceed
0.8 km/h (0.5 mph) when the plat-
form rises.
• If the machine can be used out-
doors, never operate it during
strong winds or gusts. Do not lift
UNSAFE JOBSITE HAZARDS
the platform when the wind speed
exceeds 12.5 m/s (28 mph). If the
wind speed exceeds 12.5 m/s (28
mph) after the platform is lifted,
fold the platform and do not con-
tinue to operate the machine.
• Never travel on uneven terrain or
unstable surfaces or in other dan-
gerous conditions when raising
the platform.
• When the machine retracts, be
careful and slow down when the
machine is moving on uneven ter-
rain, crushed stone, unstable or
smooth surfaces, steep slopes
and near cave entrances.
• Do not drive or lift the machine on
slopes, steps or vaulted surfaces
that exceed the maximum climb-
ing capacity of the machine.
Before or during machine operation, check the possible
hazards on the jobsite and beware of the restrictions
within the environment, including flammable and explo-
sive gas/dust.
Table 3-3
BEAUFORT
NUMBER
METERS/
SECOND
MILE/
HOUR
DESCRIPTION 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.
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