Johnston VT651 - Levels

Chapter - Conformity Certificates
Page Issue 01
OG
7:5
V Range 501 ● 651 ● 801 - Operator’s Guide
Johnston Sweepers Limited
NOISE AND VIBRATION
Noise Levels
All noise levels are given at maximum engine operating speeds, but in normal operation are likely
to be lower than the figures quoted.
In-cab noise levels with the windows closed 68 dB(A) nominal, dependent upon chassis.
External noise levels at one metre distance of the side of the machine, i.e. Wanderhose operation,
are 93 dB(A).
Noise levels at 3 metres in front of the machine (manual pavement sweeping into the gutter) are
83 dB(A).
For maximum sound power level see Noise Declaration Certificate.
Vibration
Vibration levels in accordance with 2002/42/EC as amended.
Hand-Arm
The vector sum weighted root mean square acceleration values (a
h.w
) during recommended
sweeping/ washing activities do not exceed 2.5 m/s
2
.
Whole Body
The dominant axis weighted root mean square acceleration values (a
w
) during recommended
sweeping/ washing activities do not exceed 0.5 m/s
2
.
Conditions of test - body empty and water tanks full on public thoroughfare.
The Control of Vibration at Work Regulations 2005 Directive 2002/44/EEC.
In accordance with the above Regulation the operators of the machine over a typical duty cycle will
be subjected to an 8 hour energy equivalent acceleration A(8) below the Exposure Action Level
(EAV) for both Hand-arm and Whole Body Vibration.
These Limits are:
 Hand-arm:EAV2.5m/s
2
 Wholebody:EAV0.5m/s
2
●Eardefendersarerecommendedwhenworkingaroundthemachine
Safety Notice
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