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Operation Manual / 4 Product description / A150-M56/66/57/67 -

A155-M..

9 Dismantling and fitting with removed air inlet and gas outlet / 9.16

Radial clearances N and R

9.16 Radial clearances N and R

Fig.68: Measuring clearances N and R

Product N [mm] R [mm]

A150-M 0.64 ... 1.09 0.71 ... 1.13

A155-M 0.78 ... 1.29 0.86 ... 1.33

Table49: 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.

u Have the components assessed and, if necessary, replaced by an ABB Tur-

bocharging Service Station.

Page 104 / 171

ABB HT610930 Instruction Manual

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