Turbine Housing
Align marks applied to turbine housing, bearing housing
and v-band clamp to establish component orientation.
This action assists in re-assembling the pinned
components.
HX25/25W/27W Service Repair Manual Component Testing and Replacement
Reassembly of Housings
4:11
Install CHRA (core) assembly to turbine housing
making sure that it is correctly located on the alignment
pin fitted to turbine housing.
M6 x 1.0 (10 mm)
Locate v-band to orientation marks and apply molycote
anti-seize compound to the v-band screw threads.
Insert screw and apply locknut. Torque tighten to value
specified in Service Data Sheet.
Using a soft faced hammer, tap the v-band clamp three
or four times at equally spaced distances around its
circumference.
Re-tighten to specified torque.
Check for free rotation of the rotor assembly.
Caution
To protect compressor wheel blades, always
assemble the compressor housing to CHRA (core)
before refitting turbine housing.
Caution
The turbine wheel blades can easily be damaged
when the CHRA (core) is installed.
Caution
Be careful not to bend the location pin during
assembly
Warning
Always wear safety glasses when refitting housings.
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