Table 4: Tightening Torque For Standard Nuts - ABB HT601707 Operation Manual

Operation Manual / 4 Product description / A130-H.. - A140-H
2 Removing and Installing / 2.3 Installing the turbocharger
2.3.4 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 4: 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.
u
© Copyright 2020 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.F February 2020
110
175