Operation Manual / A100-L
9 Disassembly and assembly / 9.18 Fitting the gas inlet casing (≥ A180-
L)
© Copyright 2021 ABB. All rights reserved. HZTL4034_EN Rev.T December 2021
9.18 Fitting the gas inlet casing (
≥
A180-L)
Fig.54: Fitting the gas inlet casing (A180-L and larger)
Product Size Tightening torque [Nm]
A180-L M24 80
1)
/ 480
A185-L M27 100
1)
/ 700
A190-L M30 100
1)
/ 920
Table37: 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).
Page 95 / 141
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