FOREWORD, SAFETY, PLATES AND DECALS
1-5
LEVEL OF VIBRATIONS TRANSMITTED TO THE OPERATOR
The vibration level transmitted to the operator
depends mainly on the conditions of the soil where
the machine is being operated and on the use con-
ditions of the machine and its equipment.
The exposure to vibrations can be remarkably
reduced if the recommendations here below are fol-
lowed:
- use equipment suitable for the machine and the
type of work to be carried out;
- adjust and lock the seat in the correct position;
regularly check for the seat suspensions and
carry out adjustments or maintenance as
required;
- carry out regularly the ordinary maintenance of
the machine at scheduled intervals;
- operate the attachment evenly, avoiding sudden
motion or extreme shocks, if possible;
- as far as possible, avoid travelling on particularly
uneven soils or the impact with possible obsta-
cles.
This machine is equipped with an operator’s seat
which meets the criteria of EN ISO 7096:2008 rep-
resenting vertical vibration input under severe but
typical operating conditions.
This seat is tested with the input spectral class EM.6
and has a seat transmissibility factor SEAT < 0.7.
The intent is to limit the operator’s exposure to
vibrations.
The exposure is dependant on machine operating
techniques and can be controlled by following the
instructions described in this manual.
The weighted average acceleration value to which
the operator’s arms are subjected does not exceed
2.5 m/s
2
(8.20 ft/s
2
).
The weighted average acceleration value to which
the operator’s body is subjected does not exceed
0.5 m/s
2
(1.64 ft/s
2
).
These results have been obtained by using an
acceleration gauge during the ditches excavation
works.
NOTE:
the Whole-body exposure value is determined under particular operating and terrain conditions and
therefore may not be representative of all the possible operating conditions within the intended use of the
machine. Consequently this single vibration emission value is not intended to determine the whole-body vibra-
tion exposure as required by European Directive 2002/44/EC. For this purpose it is recommended to conduct
actual working condition measurement. If this is not feasible use of information provided in the table below,
from ISO/TR 25398:2006 (*), is suggested.
(*) ISO/TR 25398:2006 Mechanical vibration - Guideline for the assessment of exposure to whole-body vibration of ride on
operated earth-moving machines - Using harmonized data measured by international institutes, organizations and manu-
facturers.
Operating condition
Average
Standard deviation (s)
1.4*a
w,eqx
m/s
2
(ft/s
2
)
1,4*
aw,eqy
m/s
2
(ft/s
2
)
a
w,eqz
m/s
2
(ft/s
2
)
1.4*S
x
m/s
2
(ft/s
2
)
1.4*S
y
m/s
2
(ft/s
2
)
S
z
m/s
2
(ft/s
2
)
Excavating
0.52 (1.70)
0.35 (1.14)
0.29 (0.95)
0.26 (0.85)
0.22 (0.72)
0.13 (0.42)
Transfer
0.41 (1.34)
0.53 (1.74)
0.61 (2.00)
0.12 (0.40)
0.20 (0.65)
0.19 (0.62)
