Table 6: Tightening Torque For Standard Nuts - ABB 1240027 Operation Manual

Operation Manual / A130-H.. - A140-H..
3 Removing and Installing / 3.3 Installing the turbocharger
3.3.4 Fastening the turbocharger with a standard nut
Fit the nuts and tighten them according to variant 1 or 2 in the table below.
u
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 2021 ABB. All rights reserved.
Fixing screws Variant 1: Tightening
[mm] torques [Nm] **)
M16
M20
M24
HZTL4030_EN
Variant 2: Hy-
draulic pre-ten-
sioning forces [kN]
280
560
960 250
Rev.G
110
175
July 2021