HX25/25W/27W Service Repair Manual Turbocharger Service and Overhaul
Disassembly
5:2
Locate the CHRA (2) on to a 12 mm 12 point socket
located in a suitable fixture.
M5 x 0.8 L.H. (8mm)
Remove the locknut, compressor wheel (62).
Remove compressor wheel (7).
Note
Left hand thread.
Caution
This turbocharger requires a new standard of
balancing process on rebuild using a proprietary
vibration sorting rig (VSR). Do not scribe alignment
marks for rotor balancing.
Note
Before disassembly, check for turbine and compressor
blade damage. Measure bearing radial movement and
axial clearance to ensure the CHRA (core) is within
the MIN/MAX values shown on Service Data Sheet.
Warning
Always wear safety glasses during disassembly.
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