Table 5: Tightening Torques (Foot Screws); Table 6: Tightening Angle (Foot Screws) - ABB XAC24837 Operation Manual

Operation Manual / A200-L
3 Removal and installation / 3.3 Installing the turbocharger
Torque-controlled tightening
Product
A255-L
A260-L
A265-L
A270-L
A275-L
A280-L
Table 5: Tightening torques (foot screws)
Angle-controlled tightening
Product Thread size
A255-L M27
A260-L M27
A265-L M22
A270-L M27
A275-L M30
A280-L M33
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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Thread size
M27
M27
M22
M27
M30
M33
Height a Pre-tightening
foot torque
[mm] [Nm]
60
60
86
100
120
136 400
HZTL4036_EN
Height a of foot
[mm]
60
60
86
100
120
136
Tightening
angle
height a
[DEG]
220 30
220 30
120 30
220 30
300 30
35
Tightening torque
[Nm]
830
830
440
830
1100
1500
Additional
tightening angle for
every 10 mm of ad-
ditional screw
length b
[DEG]
3.1
3.1
3.7
3.1
2.6
2.6
Rev.T December 2021