ABB XAC22682 - Table 4: Tightening Torques (Foot Screws); Table 5: Tightening Angle (Foot Screws)

Operation Manual / 4 Product description / A200-L
2 Removal and installation / 2.3 Installing the turbocharger
© Copyright 2020 ABB. All rights reserved. HZTL4036_EN Rev.Q July 2020
Torque-controlled tightening
Product Thread size Height a of foot
[mm]
Tightening torque
[Nm]
A255-L M27 60 830
A260-L M27 60 830
A265-L M22 86 440
A270-L M27 100 830
A275-L M30 120 1100
A280-L M33 136 1500
Table4: 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]
A255-L M27 60 220 30 3.1
A260-L M27 60 220 30 3.1
A265-L M22 86 120 30 3.7
A270-L M27 100 220 30 3.1
A275-L M30 120 300 30 2.6
A280-L M33 136 400 35 2.6
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.
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