Operation Manual / 4 Product description / A130-H.. - A140-H
8 Dismantling and fitting / 8.5 Removing the gas outlet flange
© Copyright 2017 ABB. All rights reserved.
HZTL4030_EN
Revision D
May 2017
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.
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. 29: Removing the gas outlet flange
Product
Press-off screws to be used
(strength 8.8) *
Tightening torque
A130
6x M6
≤ 10 Nm
A135
6x M8
≤ 20 Nm
A140
6x M10
≤ 40 Nm
Table 33: 6 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. If present: Remove the C-ring (57003).
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