Operation Manual / A150-M56/66/57/67 - A155-M..
10 Dismantling and fitting with removed air inlet and gas outlet / 10.3
Removing the gas outlet flange
© Copyright 2021 ABB. All rights reserved. HZTL4032_EN Rev.Q January 2021
Gas outlet flange with 6 press-off screws
CAUTION
Cracks in the gas outlet casing
Non-observance of the action steps described can lead to inadmissible
cracks on the gas outlet flange.
u Observe the maximum tightening torques when pressing off.
u Follow the action steps described.
Dismantle the gas outlet flange only if this is necessary for service work.
u With blows from a plastic tip hammer, ensure that the gas outlet flange does not cant.
u If necessary: Treat the centering seat with rust remover through the press-off threads
and the clearance holes.
u Mark the casing position for assembly.
Fig.52: Removing the gas outlet flange
Product Press-off screws (strength 8.8) * Tightening torque
A150 6 x M12 x 30 ≤ 65 Nm
A155 6 x M12 x 30 ≤ 150 Nm
Table43: 6 press-off screws
* not included in the ABB scope of delivery.
1. Evenly press off and remove the gas outlet flange(57002) with screws(01) according to
the table. If it is not possible to press off the gas outlet flange with the maximum tight-
ening torque, contact an ABB Turbocharging Service Station.
2. Attach swivel lifting eye(S) to the gas outlet flange. Secure lifting gear to the swivel lift-
ing eye.
3. Remove the gas outlet flange.
4. If present: Remove the metal C-ring(57003).
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