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Operation Manual / 4 Product description / A150-M56/66/57/67 -
A155-M..
9 Dismantling and fitting with removed air inlet and gas outlet / 9.3
Removing the gas outlet flange
© Copyright 2018 ABB. All rights reserved.
HZTL4032_EN
Revision H
July 2018
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. 40: Removing the gas outlet flange
Product
Press-off screws to be used (strength 8.8)*
Tightening torque
A150
6x M12 x 30
≤
65 Nm
A155
6x M16 x 30
≤
150 Nm
Table 40: Press-off screws – gas outlet flange
* not included in the ABB Turbo Systems 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 Turbo Systems 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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