Operation Manual / TPS44-F.. - TPS61-F..
Disassembly and assembly 8
Axial clearance A and radial clearance
B
8.4 Page 109
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August 2017HZTL2412_ENRevision F
Axial clearance A and radial clearance B
8.4
τ Following removal and before installation of the cartridge group, the axi-
al clearance A and radial clearance B must be measured and noted.
NOTICE
In order to correctly measure the axial clearance A, the turbine must be
raised slightly.
WARNING
Risk of injury due to sharp edges on the compressor wheel
The compressor wheel has sharp edges which can cause injuries.
τ Wear safety gloves.
Wear safety gloves to protect against mechanical hazards.
TPS44 TPS48 TPS52 TPS57 TPS61
A minimum 0.08 0.08 0.10 0.12 0.15
A maximum 0.16 0.16 0.18 0.21 0.25
B minimum * 0.51 0.50 0.61 0.72 0.81
B maximum * 1.00 1.00 1.15 1.31 1.55
* Permissible B clearances for standard radial bearings. If the clearances
measured on TPS57 or TPS61 are outside the permissible range, this can
indicate radial bearings with a special bearing geometry. Different permis-
sible values are valid for radial bearings with a special bearing geometry
(see the table below).
Axial clearance A and
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