Operation Manual / A100-L
3 Removal and installation / 3.3 Installing the turbocharger
© Copyright 2021 ABB. All rights reserved.
HZTL4034_EN
Rev.T
December 2021
3.3.2
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)
Table 4: General information about fastening the turbocharger
Compressor-end foot
Fig. 9: Compressor-end foot
u
Tighten the foot fixing screws or nuts diagonally according to the selected tightening
method.
Turbine-end foot
Fig. 10: Turbine-end foot
u
Tighten the foot fixing screws or nuts according to the selected tightening method.
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