Operation Manual / 4 Product description / A130-M.. - A145-M..
8
Dismantling and fitting
Page 91 / 121
© Copyright 2017 ABB. All rights reserved.
HZTL4031_EN
Revision E
January 2017
8.11
Axial clearance A and radial clearance B
Measure and record clearances A and B after the removal and before the installation of the
cartridge group.
Attach the dial indicator and align it for the respective clearance as per the illustration.
Figure 43: Measuring clearance A and B
Product
A [mm]
B [mm]
A130
0.08 ... 0.16
0.47 ... 1.00
A135
0.10 ... 0.18
0.58 ... 1.16
A140
0.12 ... 0.21
0.70 ... 1.37
A145
0.15 ... 0.25
0.88 ... 1.56
Table 38: Permissible clearances A and B
1. Move the rotor to and fro up to the stop. In order to obtain a correct measurement, elevate
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 out-
side the tolerance and excessively worn parts.
Have the components assessed and, if necessary, replaced by an ABB
Turbocharging Service Station.