Operation Manual / 4 Product description / A100-L
8 Disassembly and assembly / 8.7 Axial clearance A prior to disas-
sembly
© Copyright 2018 ABB. All rights reserved.
HZTL4034_EN
Revision N
November 2018
8.7
Axial clearance A prior to disassembly
WARNING
Physical hazards due to sharp edges on compressor wheel
The compressor wheel has sharp edges which can result in injury.
u
Wear safety gloves.
Wear safety gloves to protect against mechanical hazards.
Fig. 37: Measuring axial clearance A
The axial clearance (A) of the rotor should always be measured before and after service work
on the turbocharger.
u
Measure and note axial clearance (A).
Product
Axial clearance A
[mm]
A165-L
0.32 ... 0.62
A170-L
0.33 ... 0.63
A175-L
0.38 ... 0.68
A180-L
0.41 ... 0.73
A185-L
0.43 ... 0.77
A190-L
0.45 ... 0.80
Table 30: Admissible axial clearance A
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.
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