Radial Clearances N And R - ABB HT570679 Operation Manual

Operation Manual / 4 Product description / A150-M.. - A155-M..
8 Dismantling and fitting
8.15

Radial clearances N and R

Figure 47: Measuring clearances N and R
Product
A150
A155
Table 44: Permissible clearances N and R
1. Push the feeler gauges (01) into the gap such that there is no clearance. The upper direc-
tion (N1) and lower direction (N2) must be covered simultaneously.
2. Calculate clearance N and compare it with the permissible values in the table.
3. Push the feeler gauges (01) into the gap such that there is no clearance. The upper direc-
tion (R2) and lower direction (R1) must be covered simultaneously.
4. Calculate clearance R and compare it with the permissible values in the table.
Clearances outside the tolerance
Serious damage to engines or property can be caused by clearances out-
side the tolerance and excessively worn parts.
CAUTION
Have the components assessed and, if necessary, replaced by an ABB

Turbocharging Service Station.
© Copyright 2017 ABB. All rights reserved.
N [mm]
0.64 ... 1.09
0.78 ... 1.29
HZTL4032_EN
Page 91 / 120
R [mm]
0.71 ... 1.13
0.86 ... 1.33
Revision F January 2017