Operating instructions
Whole body vibrations
93
Whole body vibrations
Whole-body vibration emission of construction machinery are de-
cisively affected by a number of factors e.g., working mode,
ground conditions and driving speed chosen by the operator.
To a large extent the operator determines the actual vibration lev-
els, because he chooses the speed of the machine, its working
mode and the travel path.
The result is therefore a wide range of different vibration levels for
the same type of machine. (See
Cab, specifications
on page 216
Guidelines for Reducing Vibration Levels on Earthmoving
Machines
The following guidelines can help users of earthmoving machines
to reduce the whole body vibration levels:
1
Use the right type and size of machine, equipment, and attach-
ments for the application.
2 Keep the terrain where the machine is working and travelling in
good condition.
Remove any large rocks or obstacles.
— Fill any ditches and holes.
— Provide machines and schedule time to maintain terrain
conditions.
3 Adjust the machine speed and travel path to minimize the vibra-
tion level.
— Drive around obstacles and rough terrain conditions.
— Slow down when it is necessary to go over rough terrain.
4 Maintain machines according to the manufacturer's recom-
mendations.
— Tire pressures.
— Brake and steering systems.
— Controls, hydraulic system and linkages.
5 Keep the seat maintained and adjusted.
— Adjust the seat and suspension for the weight and size of
the operator.
— Inspect and maintain the seat suspension and adjustment
mechanisms.
— Use the seat belt and adjust it correctly.
6 Steer, brake, accelerate, shift gears, and move the attachments
smoothly.
7 Minimize vibrations for long work cycle or long distance travel-
ling.
— If no suspension system is available, reduce speed to pre-
vent bouncing.
— Haul machines long distances between work sites.
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