Radial Clearances N And R; Fig. 95: Measuring Clearances N And R; Table 61: Permissible Clearances N And R - ABB HT597611 Operation Manual

Operation Manual / 4 Product description / A150-M56/66/57/67 -
A155-M..
10 Dismantling and fitting, cartridge concept / 10.10 Radial clearances
N and R
10.10

Radial clearances N and R

Measurement of clearance R optional (only possible if gas outlet casing is dismantled).
Fig. 95: Measuring clearances N and R
Product
A150-M
A155-M
Table 61: Permissible clearances N and R
1. Push the feeler gauges (01) into the gap without clearance simultaneously at the top (N1)
and the bottom (N2).
2. Calculate clearance N and compare it with the permissible values in the table.
3. Push the feeler gauges (01) into the gap without clearance simultaneously at the top (R2)
and the bottom (R1).
4. Calculate clearance R 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-
u
bocharging Service Station.
© Copyright 2020 ABB. All rights reserved.
N [mm]
0.64 ... 1.09
0.78 ... 1.29
HZTL4032_EN
R [mm]
0.71 ... 1.13
0.86 ... 1.33
Rev.P March 2020