Fig. 54: Fitting The Gas Inlet Casing (A180-L And Larger) - Threaded Stud Variant; Table 38: Tightening Torque (51087) - ABB HT844414 Operation Manual

Operation Manual / 4 Product description / A100-L
8 Disassembly and assembly / 8.11 Fitting the gas inlet casing, nozzle
ring (A180-L and larger)
Fitting the gas inlet casing (A180-L and larger) threaded stud variant
Fig. 54: Fitting the gas inlet casing (A180-L and larger) - threaded stud variant
Part number
51087
Table 38: Tightening torque (51087)
1) Pre-tightening torque of the screws
1. Coat threaded stud (51086) with high-temperature grease, screw in up to the stop in the
gas outlet casing (61001) and tighten hand-tight.
2. Loop around the gas inlet casing (51001) with the lifting gear and secure it to the crane.
3. Dismantle and remove support (90451) from the gas inlet casing.
4. Push gas inlet casing over the threaded studs up to the gas outlet casing.
5. Coat two nuts (51087) with high-temperature grease and fix gas inlet casing in two op-
posite positions.
6. Coat remaining nuts with high-temperature grease, fit and then tighten crosswise, ini-
tially to the pre-tightening torque and then to the tightening torque.
7. Remove the lifting gear.
8. Connect the flange of the gas inlet casing and the bellows.
9. Fit the insulation segments (51215).
© Copyright 2018 ABB. All rights reserved.
A180-L
M24
1)
80 Nm
480 Nm
HZTL4034_EN
A185-L
M27
1)
100 Nm
700 Nm
Revision N
A190-L
M30
1)
100 Nm
920 Nm
November 2018