Table 4: Tightening Torques (Foot Screws); Table 5: Tightening Angle (Foot Screws) - ABB A270-L59 Operation Manual

Operation Manual / 4 Product description / A200-L
2 Removal and installation / 2.3 Installing the turbocharger
Torque-controlled tightening
Product
A265-L
A270-L
A275-L
A280-L
Table 4: Tightening torques (foot screws)
Angle-controlled tightening
Product Thread size Height a of
A265-L M22
A270-L M27
A275-L M30
A280-L M33
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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Thread size Height a of foot
M22
M27
M30
M33
Pre-tightening
foot torque
[mm]
86
100
120
136
HZTL4036_EN
[mm]
86
100
120
136
Tightening
angle for
[Nm] height a
[DEG]
120 30
220 30
300 30
400 35
Tightening torque
[Nm]
440
830
1100
1500
Additional tightening
angle for every 10 mm of
additional screw length
b
[DEG]
3.7
3.1
2.6
2.6
Revision M August 2018