Operation Manual / A200-L
3 Removal and installation / 3.3 Installing the turbocharger
© Copyright 2021 ABB. All rights reserved.
HZTL4036_EN
Rev.T
December 2021
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 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]
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 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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