Operation Manual / A170-M.. - A175-M..
9 Disassembly and assembly / 9.4 Axial clearance A prior to disas-
sembly
© Copyright 2022 ABB. All rights reserved. HZTL4033_EN Rev.K January 2022
9.4 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.
The axial clearance (A) must be measured prior to removal and after installation of the cart-
ridge group.
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.
Fig.36: Axial clearance
Product Axial clearance A [mm]
A170-M 0.30 ... 0.61
A175-M 0.35 ... 0.69
Table36: Axial clearance A
u Measure and note axial clearance (A).
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