Airborne Noise Emission; Hazards Related To Vibration Exposure - Shibaura ST450 Operator's Manual

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In accordance with EC directives, the noise levels of tractors covered by this Manual and marketed
within the European Union are as follows:
Model
Transmission
ST450 4WD
* Test results are in accordance with directive 2009/76/EC Annex I.
** Test results are in accordance with directive 2009/63/EC Annex VI.

HAZARDS RELATED TO VIBRATION EXPOSURE

The Whole Body Vibration level will depend on a lot of parameters, some of them machine related,
others terrain related andmany driver related.
The properties of the track or field surface and the driving speed will be the predominant parameters.
Machine vibrations cause discomfort to the operator and in some cases his health and safety may be at
risk.
Make sure the machine is in good condition and that the service interval work has been carried out
correctly.
Check the tyre pressure, the steering and the brake system.
Check that the operator's seat and adjustment controls are in good condition and then adjust the seat to
suit the operator's size and weight.
Operate all controls consistently so the machine works smoothly and modify your driving to suit working
conditions.
During travel, adjust your speed and slow down if necessary.
Seat model
COBO GT50/M91
COBO SC79/M91
COBO SC250/M91
* Test results are in accordance with directive 78/764/EEC.
SECTION 1 – GENERAL INFORMATION AND SAFETY

AIRBORNE NOISE EMISSION

Closed –
dB(A)
HST
N/A
Light weight operator
Noise level at
Operator's ear *
Open –
dB(A)
89.4
WARNING
WARNING
2
Vibration* m/s
at (testing mass)
1.13
1-23
External noise **
Moving
Stationary
dB(A)
dB(A)
80
77
Heavy weight operator
0.75

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