TURBINE WHEEL AND SHAFT
Figure 9-70. Disassembly and Assembly of Turbocharger (Sheet 2 of 2)
Remove the turbine wheel and shaft assembly (10) from the impeller (9). If necessary use an arbor press
while supporting the assembly at the turbine housing mounting face on the shroud (12). Remove the
Remove the turbine wheel and shaft assembly (10) from the shroud (12), and remove the seal ring (11)
from the shaft.
Separate the shroud (12) from the center housing (18).
Remove the thrust spacer (13), and remove the seal ring (14) from the thrust spacer.
Remove the bolts (15), washers (16), and separate the bate (17) from the center housing (18).
Remove the thrust collar (19), thrust bearing (20), packing (21), bearing (22), washer (23), and retaining
ring (24) from the impeller end of the center housing (18). Discard the packing (21) and retaining ring (24).
Remove the retaining ring (24), bearing (22), washer (23), and another retaining ring (24) from the turbine
end of the center housing (18). Discard the retaining rings (24).
Remove the nameplate (26) by removing the rivets (25).
Dry leaning solvent PD.60, Type IN, or equivalent, Is flammable and moderately toxic to the
skin, eyes, and respiratory tract Assure adequate ventilation. Skin, eye, and respiratory
protection Is required to avoid injury to personnel.
Compressed air used for cleaning or drying can create airborne particles that may enter eyes.
Pressure shall not exceed 30 psi (207 kPa). Wearing of goggles Is required to avoid Injury to
To avoid damage to precision machined parts, do not pile the parts In the cleaning -basket, or
use any type of chemical solution that might damage ports Place parts In a divided wire
basket , and use dry cleaning solvent PD-610, Type III, or equivalent, or hot water and soap to
clean parts. Parts may also be steam cleans Do not use wire brushes or metal scrapers to
Soak all parts in cleaning solution, and remove built up deposits using a bristle brush and wooden
scrapers. Soak " heavily carboned parts for 12 to 24 hours.