Removing The Gas Outlet Flange; Table 33: 3 Press-Off Screws - ABB HT584532 Operation Manual

Operation Manual / 4 Product description / A130-H.. - A140-H
8 Dismantling and fitting / 8.5 Removing the gas outlet flange
8.5

Removing the gas outlet flange

Depending on the way of fixing the gas outlet flange, the appropriate Working Instruction
has to be consulted (pressing off using 3 or 6 press-off screws).
If the following Working Instructions are not observed, this can lead to cracks in the gas out-
let casing.
The following variants are possible:
Pressing off using 3 press-off screws.
u
Pressing off using 6 press-off screws.
u
Mark the casing position for assembly.
u
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.
Observe the maximum tightening torques when pressing off.
u
Follow the action steps described.
u
Only dismantle the gas outlet flange if this is necessary for service work.
If necessary: Treat the centering seat with rust remover through the press-off threads
u
and the clearance holes.
Mark the casing position for assembly.
u
Product Press-off screws to be used (strength 8.8)*
A130
A135
A140
Table 33: 3 press-off screws
*not included in the ABB Turbo Systems 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 Turbo Systems Service Station.
2. If present: Remove the C-ring (57003).
© Copyright 2018 ABB. All rights reserved.
3 x M 8 x 20
3 x M10 x 25
3 x M12 x 30
HZTL4030_EN
Tightening torque
≤ 20 Nm
≤ 40 Nm
≤ 65 Nm
Revision E September 2018