B 13
B DF
1
15/
135C.
G
B 1
3
-1
8 -
0
2
-0
1
.03
5
EN standards
5.1
Continuous sound pressure level
$
The use of hearing protection is prescribed for this finisher. The sound emission value
can vary significantly due to the various laying materials and exceed 85 dB(A). Dam-
age to hearing can be caused if the machine is used without hearing protection.
The sound emission values of the finisher were measured according to the draft
standard ENV 500-6 of March 1997 and ISO 4872 under free field conditions.
DF115C: Sound pressure level in operator’s cab (head height): L
AF
=82,9
dB(A)
DF135C: Sound pressure level in operator’s cab (head height): L
AF
=82,2
dB(A)
DF115C: Sound capacity level: L
WA
=106,2
dB(A)
DF135C: Sound capacity level: L
WA
=106,6
dB(A)
Sound pressure level at the machine
5.2
Operating conditions during measurements
The diesel engine operated at maximum speed. Flight bar conveyors, spreaders,
tampers and vibration arrangement operated at minimum of 50% of their maximum
speed.
5.3
Measuring point arrangement
Semi-spherical measuring surface with a radius of 16 m. The machine was located in
the centre. The measuring points had the following coordinates:
Measuring point
2
4
6
8
10
12
Sound pressure level L
AFeq
(dB(A)) DF115C
74,0
75,2
70,6
73,3
72,8
71,7
Sound pressure level L
AFeq
(dB(A)) DF135C
72,7
75,7
73,6
73,1
73,3
71,5
Measuring point 2, 4, 6, 8
Measuring point 10, 12
Coordinates
X
Y
Z
X
Y
Z
±11,2
±11,2
1,5
- 4,32
+4,32
+10,4
-10,4
11,36
11,36
SCHALL.TIF/Df_115_C.EPS
Summary of Contents for DF 115 C
Page 1: ...Operating instructions 02 01 03 Road Finisher 900 98 06 40 DF 115 C DF 135 C...
Page 2: ......
Page 4: ......
Page 10: ......
Page 12: ......
Page 40: ......
Page 44: ...D 4 D D_DF115_135C_GB fm 4 92 02 01 03 Element2_KC cdr 9 8 12 A 9 A 5 6 7 11 10...
Page 46: ...D 6 D D_DF115_135C_GB fm 6 92 02 01 03 Element2_KC cdr 9 8 12 A 9 A 5 6 7 11 10...
Page 132: ......
Page 178: ......