Radial Clearances N And R; Table 42 Permissible Clearances N And R - ABB HT562381 Operation Manual

Operation Manual / 4 Product description / A130-M.. - A145-M..
8 Dismantling and fitting
8.16

Radial clearances N and R

Clearances outside the tolerance
Serious damage to engines or property can be caused by clearances
outside the tolerance and excessively worn parts.
CAUTION
Have the components assessed and, if necessary, replaced by an ABB

Turbocharging Service Station.
Figure 48: Measuring clearances N and R
Product
A130
A135
A140
A145
Table 42: Permissible clearances N and R
1. Push the feeler gauges (01) into the gap such that there is no clearance. The upper
direction (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
direction (R2) and lower direction (R1) must be covered simultaneously.
4. Calculate clearance R and compare it with the permissible values in the table.
© Copyright 2015 ABB. All rights reserved.
N [mm]
0.26 ... 0.60
0.34 ... 0.70
0.45 ... 0.90
0.56 ... 0.95
HZTL4031_EN
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R [mm]
0.45 ... 0.70
0.51 ... 0.85
0.64 ... 1.00
0.76 ... 1.20
Revision C February 2016