ABB A265-L59 - Fig. 48: Fitting the Gas Inlet Casing (A275-L and Smaller) - Threaded Stud Variant; Table 35: Tightening Torque (51087)

Operation Manual / 4 Product description / A200-L
8 Disassembly and assembly / 8.9 Fitting gas inlet casing, nozzle ring,
insulation (A275-L and smaller)
© Copyright 2018 ABB. All rights reserved. HZTL4036_EN Revision M August 2018
Fitting the gas inlet casing (A275-L and smaller) - threaded stud variant
Fig.48: Fitting the gas inlet casing (A275-L and smaller) - threaded stud variant
Part number A265-L A270-L A275-L
51087 M16
30
1)
Nm
140Nm
M18
40
1)
Nm
200Nm
M22
50
1)
Nm
380Nm
Table35: Tightening torque (51087)
1) Pre-tightening torque of the nuts
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. Push gas inlet casing over the threaded studs up to the gas outlet casing.
4. Coat two nuts with high-temperature grease and fix gas inlet casing in two opposite po-
sitions.
5. 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.
6. Remove the lifting gear.
7. Connect the flange of the gas inlet casing and the bellows.
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