Fastening The Turbocharger With A Standard Nut - ABB A100-H Series Original Assembly Instructions

Assembly Instructions / A100-H
4 Installing the turbocharger / 4.4 Fastening the turbocharger with a
standard nut
4.4

Fastening the turbocharger with a standard nut

Fit the nuts and tighten them according to variant 1 or 2 in the table below.
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Product Through hole in
bearing casing
[mm]
A130 Ø 17
A135 Ø 21
A140 Ø 25
Table 6: 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)
Remove the lifting gear.
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© Copyright 2020 ABB. All rights reserved.
Fixing screws Variant 1: Tightening
[mm] torques [Nm] **)
M16
M20
M24
HZTL455311P0004_EN
Variant 2: Hy-
draulic pre-ten-
sioning forces [kN]
280 110
560 175
960 250
Rev.B July 2020