Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
8 Disassembly and assembly / 8.4 Axial clearance
© Copyright 2018 . All rights reserved. HZTL2481_EN Revision C May 2018
8.4 Axial clearance
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.
u Screw on at least four nuts (74027) together with washers (74018),
equally spaced around the circumference, and tighten them to secure
the partition wall axially.
u Measure and note the axial clearance (A).
Axial clearance TPL69-A TPL73-A TPL77-A
Clearance A [mm] 0.33 … 0.50 0.36 … 0.53 0.39 … 0.57
CAUTION
Clearances out of tolerance
Clearances out of tolerance and excessively worn components can be
the cause of serious damage to machinery and property.
u Have components assessed and, if necessary, replaced by an ABB
Turbocharging Service Station.
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