ABB HT841995 Operation Manual page 94

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Disassembly and assembly
Introduction
Customer spare parts set
Before beginning work, ensure that the required customer spare parts
sets are available.
See chapter Spare parts.

Oil orifice
When disassembling the turbocharger, a fitted oil orifice must not be

removed.
Tightening torques for turbocharger components
The specified tightening torques of screw connections for turbocharger
components must be observed. (See section Table of tightening torques.)
Tightening torques for assembly devices of ABB Turbo Systems
If nothing else is described, the screws and nuts of the assembly devices
must be tightened down firmly.
Operation Manual / TPS48-D/E.. - TPS61-D/E..
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8.1 Page 92