Operation Manual / A130-H.. - A140-H..
9 Dismantling and fitting / 9.5 Removing the gas outlet flange
© Copyright 2021 ABB. All rights reserved. HZTL4030_EN Rev.G July 2021
Gas outlet flange with 3 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.
Only dismantle the gas outlet flange if this is necessary for service work.
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.37: Dismantling the gas outlet flange
Product Press-off screws (strength 8.8) * Tightening torque
A130 3 x M 8 x 20 ≤ 20 Nm
A135 3 x M10 x 25 ≤ 40 Nm
A140 3 x M12 x 30 ≤ 65 Nm
Table34: 3 press-off screws
* not included in the ABB scope of delivery
1. 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 tightening
torque, contact an ABB Turbocharging Service Station.
2. If present: Remove the C-ring(57003).
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