Doosan V158TI Operation & Maintenance Manual page 153

●
Locate the Center
Assembly (CHRA) onto a 19 mm socket
clamped in the jaws of a vice or a suitable
fixture.
Caution :
Always make sure the turbine wheel
shaft and the compressor wheel have
alignment marks before disassembly
of the CHRA.
If no marks exist, scribe the shaft and compressor wheel (as shown) before removing the
compressor wheel lock nut. (refer to 4.3.4.)
●
Remove the compressor wheel lock nut
(61).
Note :
Left hand thread.
●
Remove the compressor wheel (7).
●
Remove the remaining CHRA from the
socket and gently slide the shaft and wheel
(6) from the bearing housing (4).
Housing Rotating
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EDV2218054
EDV2218101
EDV2218102
EDV2218103
Main parts maintenance