ABB TPS48-H33 - Radial Clearances N and R; Table 38 Permissible Clearances N and

Operation Manual / 4 Product description / TPS44-H.. - TPS52-H..
9
Dismantling and fitting
Page 80 /
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HZTL4037_EN
Revision A
August 2016
9.16 Radial clearances N and R
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.
Figure 36: Measuring clearances N and R
Product
N [mm]
R [mm]
TPS44
0.25 ... 0.50
0.40 ... 0.70
TPS48 0.30 ... 0.60 0.50 ... 0.80
TPS52
0.40 ... 0.70
0.60 ... 0.95
Table 38: 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.