OM 803 us – Edition 3.7 * 803b610.fm 6-7
Technical data
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
•Braking
• 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.
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