Operation Manual / 4 Product description / A130-H.. - A140-H1 Introduction / 1.1 Essential information© Copyright 2017 ABB. All rights reserved. HZTL4030_EN Revision D May 20171 Introduction1.1 Essential informationDesign variantsThis document is valid for different design variants of turbochargers. There may be sectionsand descriptions of components that are not relevant for a specific turbocharger variant.Please contact an ABB Turbocharging Service Station if you have any questions regarding adesign variant (see Contact information at www.abb.com/turbocharging).Accuracy of illustrationsThe illustrations in this document are general in nature and intended for ease of understand-ing. Differences in detail are therefore possible.1.2 Registered trademarksThe trademarks of outside companies are used in this document. These are marked with the® symbol.1.3 Related documentsChapter Document numberOperation Manual / 1 Introduction HZTL4005Operation Manual / 2 Safety HZTL4022Operation Manual / 3 Safety data sheet *) Serial number of the turbochargerTable 1: Related documents*) This chapter is only available in serialised operation manuals.Page 3 / 91