Assembly Instructions / A100-L
4 Installing the turbocharger / 4.2 Steps for fastening the turbochar-
ger
© Copyright 2020 ABB. All rights reserved. HZTL455311P0002_EN Rev.A July 2020
4.2 Steps for fastening the turbocharger
General information
Subject Requirement / Information
Turbocharger fixing elements ISO property class ≥ 8.8
Washers Hardened, thickness ≥15% nominal thread dia-
meter
Dimension a (compressor end) a = height of turbocharger foot a
Dimension a (turbine end) a = height of turbocharger foot F + spacer sleeve
D
Dimension b Hole in bracket
Dimension c Thread length, ≥ 1.5 x nominal thread diameter
Coefficient of friction 0.12 (lightly oiled)
Table5: General information about fastening the turbocharger
Compressor-end foot
Fig.5: Compressor-end foot
u Tighten the foot fixing screws or nuts diagonally according to the selected tightening
method.
Turbine-end foot
Fig.6: Turbine-end foot
u Tighten the foot fixing screws or nuts according to the selected tightening method.
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