ABB XAC25354 - Table 5: Tightening Torques (Foot Screws); Table 6: Tightening Angle (Foot Screws)

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
Torque-controlled tightening
Product Thread size Height a of foot
[mm]
Tightening torque
[Nm]
A165-L M22 86 440
A170-L M27 100 830
A175-L M30 120 1100
A180-L M33 136 1500
A185-L M39 151 2500
A190-L M42 167 3100
Table5: Tightening torques (foot screws)
Angle-controlled tightening
Product Thread size Height a
foot
[mm]
Pre-tightening
torque
[Nm]
Tightening
angle
height a
[DEG]
Additional
tightening angle for
every 10 mm of ad-
ditional screw
length b
[DEG]
A165-L M22 86 120 30 3.7
A170-L M27 100 220 30 3.1
A175-L M30 120 300 30 2.6
A180-L M33 136 400 35 2.6
A185-L M39 151 600 35 2.4
A190-L M42 167 700 35 2.2
Table6: Tightening angle (foot screws)
Pinning of turbocharger feet with positioning pins
If the turbocharger is pinned at its feet, one pin hole per foot must be used.
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