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BA 1001/1501/2001 us – Edition 3.3 * 12001b610.fm
• Work site: organization, preparation, surroundings, weather conditions and material.
• Machine: version, seat quality, quality of suspension system, attachments and
condition of attachments.
Precise indications on the vibration degrees cannot be made for the machine.
Determination of vibration level for the three vibration axes.
• Under typical operating conditions, use the average vibration values measured.
• In order to obtain the estimated vibration value for an experienced operator on level
ground, subtract the factors from the average vibration value.
• In case of an aggressive working method or difficult terrain, add the environmental
factors to the average vibration level in order to obtain the estimated vibration level.
Note:
For further vibration indications, refer to the indications in ISO/TR 25398 Mechanical Vibrations
– Directive on Estimation of whole-body vibration when driving earth moving machines. This
publication uses measuring values of international institutes, organizations and manufacturers.
It contains information on whole-body vibration for operators in earth moving machines. For
more information on the vibration values of the machine, refer to Directive 2002/44/EC of Euro-
pean Parliament and Coucil on minimum health and safety requirements regarding exposure of
workers to risks arising from physical agents (vibration).
It explains the values for vertical vibration under heavy operating conditions.
Directives on reduction of vibration values in earth moving machines:
• Perform correct adjustments and maintenance on the machine.
• Avoid jerky movements during machine operation.
• Keep slopes in a perfect condition.
Whole-body vibration can be reduced with the following guidelines:
• Use a machine and equipment of correct type and size.
• Follow the manufacturer's recommendations for maintenance.
• Tire pressure.
• Brake and steering systems.
• Control elements, hydraulic system and linkage.
• Keep the job site in good condition:
• Remove large rocks or obstacles.
• Fill up ditches and holes.
• Provide a machine and enough time to keep the job site in good condition.
• Use an operator seat according to the ISO 7096 requirements. Keep the operator seat
in good condition and adjust it correctly:
• Adjust the operator seat and suspension to the operator's weight and size.
• Check and maintain the seat adjustment and suspension.
• Perform the following activities smoothly without any jerks:
• Steering
• Brakes
• Acceleration
• Shifting gears
• Move attachments without any jerks.
• Adapt your speed and the itinerary to minimize vibration:
• Travel around obstacles and uneven ground.
• Reduce your speed when traveling across rough terrain.
• Reduce vibration to a minimum during long work cycles or when traveling over long
distances:
Technical data (1001 – 1501)
6-7
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