Operation Manual / A130-M.. - A145-M..
3 Removing and Installing / 3.3 Installing the turbocharger
© Copyright 2021 ABB. All rights reserved. HZTL4031_EN Rev.N March 2021
u Observe the instructions for the fastening variant at hand.
¡ Fastening the turbocharger with a standard nut →39 (A130 - A140)
¡ Fastening the turbocharger with a clamping nut →40 (A140 and A145)
3.3.4 Fastening the turbocharger with a standard nut
u Fit the nuts and tighten them according to variant 1 or 2 in the table below.
Product Through hole in
bearing casing
[mm]
Fixing screws
[mm]
Variant 1: Tightening
torques [Nm] **)
Variant 2: Hy-
draulic pre-ten-
sioning forces [kN]
A130 Ø17 M16 280 110
A135 Ø 21 M20 560 175
A140 Ø 25 M24 960 250
Table6: Tightening torque for standard nuts
**) When the turbocharger is mounted on the engine support, the bolt threads and screw
heads must be lightly oiled (assumed friction coefficient µ = 0.12 for tightening torque)
u Remove the lifting gear.
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