Operation Manual / 2 Safety / TPS..-H1 Safety Page 11 / 171.12 Hazards during operation and maintenanceNoise hazardsThe noise emission during operation is influenced by its installation and operating conditions.A noise level exceeding 85 dB(A) is harmful.WARNINGDanger due to noiseExposure 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. Always wear ear protection if the sound pressure level exceeds 85 dB(A).Wear ear protection.Hazards due to hot surfacesSurfaces of the turbocharger, attached parts and operating fluids (lubricating oil) get hot duringoperation. The surface temperature depends on the efficacy of the existing insulation. Thetemperature may rise to a level that can cause burns.WARNINGDanger of burnsTouching hot surfaces or contact with hot operating fluids can cause burns. Do not touch hot surfaces. Observe the warning plate on the turbo-charger. Wear heat-resistant safety gloves and protective clothing. Wait for the turbocharger to cool down before carrying out any work.Wear safety gloves to protect against thermal hazards.© Copyright 2016 ABB. All rights reserved. HZTL4026_EN Revision B May 2016