Radial Clearances N And R; Fig. 76: Measuring Clearances N And R; Table 53: Permissible Clearances N And R - ABB HT608450 Operation Manual

Operation Manual / A150-M56/66/57/67 - A155-M..
10 Dismantling and fitting with removed air inlet and gas outlet / 10.16

Radial clearances N and R

10.16

Radial clearances N and R

Fig. 76: Measuring clearances N and R
Product
A150-M
A155-M
Table 53: Permissible clearances N and R
1. Push the feeler gauges (01) into the gap without clearance, and measure 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, and measure 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 2021 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.R August 2021