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Operation Manual / A100-L
9 Disassembly and assembly / 9.10 Dismantling the gas inlet casing (≤
A175-L)
9.10
Dismantling the gas inlet casing (≤ A175-L)
Fig. 43: Dismantling the gas inlet casing (A175-L and smaller)
Product
A165-L
A170-L
A175-L
Table 32: Maximum admissible loosening torque (51087)
If a threaded stud (51086) shears off when loosening, an ABB Turbocharging Service Sta-
u
tion should be contacted.
If a threaded stud (51086) works loose when removing the nut (51087), it should be refit-
u
ted, after disassembling the gas outlet casing, up to the stop in the gas inlet casing until
hand-tight.
If the nut (51087) cannot be removed with the maximum permissible loosening torque, it
u
can be heated or removed with an appropriate tool.
1. Treat nuts (51087) with rust remover
2. Loosen crosswise and remove all nuts except for two opposite nuts (51087). Note max-
imum admissible loosening torque.
3. Loop around the gas inlet casing (51001) with lifting gear.
4. Loosen and remove remaining nuts (51087).
5. Carefully move out gas inlet casing and put down.
© Copyright 2021 ABB. All rights reserved.
Maximum loosening torque [Nm]
HZTL4034_EN
245
350
665
Rev.T
December 2021
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