Operation Manual / TPR56-F + TPR61-F2 Safety / 2.7 Hazards during operation and maintenance© Copyright 2018 . All rights reserved. HZTL2490_EN Revision D May 20182.7 Hazards during operation and maintenanceMechanical hazards during operationDuring normal operation, no mechanical hazards emanate from the tur-bocharger if it has been installed properly.WARNINGRisk of injuryContact with rotating parts can lead to serious injuries. The turbochar-ger must never be operated without a filter silencer or an air suctionbranch. When the engine is at a standstill, the rotor can turn on its ownbecause of stack draught.u Operate the turbocharger in accordance with instructions.u During maintenance work, secure the rotor against unintentional ro-tation.Mechanical hazards when working on the turbochargerDuring maintenance work, various risks can occur through the improperhandling of components, through the non-observance of work instruc-tions, due to inadequate care or as a consequence of insufficient train-ing.WARNINGMechanical hazardSevere injuries to personnel or fatal accidents can be caused by mech-anical influences as a consequence of hazardous and inadequate opera-tional procedures.u Observe the general rules for occupational safety and prevention ofaccidents.u Ensure workplace safety.u Only perform operations that are described in this chapter.u Only perform operations for which you have previously received in-struction or training.Page 20 / 79