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Operation Manual / A150-M56/66/57/67 - A155-M..
6 Operation and service / 6.1 Noise emission
6
Operation and service
6.1
Noise emission
WARNING
Noise hazards
Exposure to noise can harm the hearing system, impair health and the psy-
chological state and may lead to lack of attention and irritation.
When the engine is running, always wear ear protection.
u
Always wear ear protection if the sound pressure level exceeds 85 dB(A).
u
Wear ear protection.
The emission sound pressure level (A-weighted) is measured at a distance of 1 meter from
the turbocharger.
The highest value of the emission sound pressure level
near the air inlet. The following prerequisites must be fulfilled with regard to the turbochar-
ger to observe this limit value:
¡
Air-inlet system has been fitted
¡
All standard, noise-reducing measures
¡
Bellows at the air outlet has been acoustically insulated by the enginebuilder
Noise insulation, bellows
The enginebuilder is responsible for insulating the charge air/scavenging air line and the
charge air cooler.
1)
Directive 2006/42/EC, 1.7.4.2 / u / Paragraphs 5 + 7 :
A-weighted emission sound pressure level
2)
The enginebuilder must provide acoustically equivalent measures in case of deviating in-
sulation versions
© Copyright 2022 ABB. All rights reserved.
2)
have been fitted
→52).
HZTL4032_EN
1)
reaches a maximum of 105 dB(A)
Rev.S
(see Fig. 27:
February 2022
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