Table 2œbeauford scale and wind speed 1-3, Crushing 1-3, General safety precautions 1-3 – Snorkel ATB50 CE User Manual
Page 13: Personnel precautions 1-3, Operator general precautions 1-3, Mounting and dismounting precautions 1-3, Starting and stopping precautions 1-3, Operating precautions 1-3, Operator maintenance precautions 1-3, Beauford scale and wind speed, 1-3

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Table 2–Beauford Scale and Wind Speed
Beauford
Degree
Description
Wind
Speed
(Km/Hr
)
Effect of Wind
3
Very light
breeze
12.2 to
19.4
Leaves and thin twigs
move.
4
Light
breeze
19.8 to
28.4
Dirt, paper and thin
branches move.
5
Fresh
breeze
28.8 to
38.5
Small leafy trees begin
to sway. Sea caps
start to build.
6
Strong wind
38.9 to
49.7
Sets strong branches
in movement. Power
lines whistle.
7
Very strong,
stiff wind
50.0 to
61.6
Moves entire trees.
Strong resistance
when walking into
wind.
The installation of wind force-increasing parts at
the platform or the booms is prohibited.
Deactivating the safety devices (e.g. tying down
roller actuators on switches etc.) is prohibited. Such
actions endanger the safety of persons on the
platform and in the work area of the ATB 42/50.
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Crushing
Always look in the direction of travel. Avoid
overhead obstructions.
Never cover the floor grating or otherwise
obstruct your view below.
Make sure the area below the platform is free of
personnel before lowering.
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General Safety Precautions
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Personnel Precautions
If you encounter any suspected malfunction of
the aerial platform, or any hazard or potentially
unsafe condition relating to capacity, intended
use, or safe operation, cease operation and seek
assistance from management.
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Operator General Precautions
Make sure that all protective guards, cowlings,
and doors are in place and secure.
Make sure that the entrance door is safely closed
and that the door lock has properly clicked shut.
Keeping the entrance door open with the platform
elevated (e.g. tying down the entrance door) is
prohibited.
Dismantling parts of the guardrails or the
entrance door is prohibited.
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Mounting and Dismounting Precautions
Use three points of support when getting on or off
the platform (two hands and one foot or a similar
set of points). Keep the platform clean.
Climbing or standing on the guardrails as well as
jumping from the platform onto building parts,
steel constructions or finished concrete part
constructions is prohibited.
DO NOT dismount while the machine is in
motion.
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Starting and Stopping Precautions
DO NOT start until all personnel are clearly away
from the machine.
Before leaving the operator’s station, place the
machine in the stowed position.
When leaving the machine parked or unattended,
remove the starter key from the Master Key
Switch, set the Battery switch to OFF, then lock
the Battery switch.
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Operating Precautions
Alterations to the ATB 42/50 are prohibited and
only permissible upon written agreement of
Snorkel.
The installation or usage of parts that are not
produced or provided by Snorkel is prohibited.
DO NOT override any of the safety features of
the ATB 42/50.
Limit travel speeds according to conditions. Take
into account: grade, surface, congestion, visibility,
side slope, location of personnel, and other
hazards.
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Operator Maintenance Precautions
Use extreme caution when removing radiator
caps. Park the machine and let it cool down
before opening a pressurized compartment.
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CAUTION
DO NOT use your hand to search for hydraulic
oil leaks. High pressure hydraulic oil can
easily cut and penetrate your skin — a very
serious injury that requires immediate
attention by a medical specialist trained in that
type of injury. Use a piece of cardboard or
wood to search for hydraulic oil leaks.
DO NOT attempt repairs unless you are
trained. Refer to manuals and experienced
repair personnel for help.
ATB 42/50 – 0161987EE
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1. Safety