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Operation Manual / 4 Product description / A130-H.. - A140-H
8 Dismantling and fitting / 8.11 Measuring clearance A and B
8.11
Measuring clearance A and B
Measure and record clearances A and B after the removal and before the installation of
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the cartridge group.
Attach the dial indicator and align it for the respective clearance as per the illustration.
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Fig. 41: Measuring clearance A and B
Product
A130-H
A135-H
A140-H
Table 34: Permissible clearances A and B
1. Move the rotor to and fro up to the stop. In order to obtain a correct measurement, elev-
ate the turbine a little.
2. Measure clearance A and compare it with the permissible values in the table.
3. Raise the compressor and push the turbine down at the same time.
4. Raise the turbine and push the compressor down at the same time.
5. Measure clearance B and compare it with the permissible values in the table.
CAUTION
Clearances outside the tolerance
Serious damage to engines or property can be caused by clearances outside
the tolerance and excessively worn parts.
Have the components assessed and, if necessary, replaced by an ABB Tur-
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bocharging Service Station.
© Copyright 2020 ABB. All rights reserved.
A [mm]
0.08 ... 0.16
0.10 ... 0.18
0.12 ... 0.21
HZTL4030_EN
B [mm]
0.47 ... 1.00
0.58 ... 1.16
0.70 ... 1.37
Rev.F
February 2020
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