ABB A175-L37 - Table 4: Tightening Torques (Foot Screws); Table 5: Tightening Angle (Foot Screws)

Operation Manual / 4 Product description / A100-L
2 Removal and installation / 2.3 Installing the turbocharger
© Copyright 2018 ABB. All rights reserved. HZTL4034_EN Revision N November 2018
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4: Tightening torques (foot screws)
Angle-controlled tightening
Product Thread size Height a of
foot
[mm]
Pre-tightening
torque
[Nm]
Tightening
angle for
height a
[DEG]
Additional tightening
angle for every 10 mm of
additional 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5: 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.
Page 12 / 110