77
Model Code Page
21. Engine
15. 5. 1993
6000--8750
216 3
1. 9. 1992
D. Reconditioning turbocharger
(Schwitzer S1A, S1B, S2B)
N.B! Thesamedegreeofcleanlinessshouldbeobserved
when removing the turbocharger as with repairing the fuel
system. Only remove the compressor and turbine covers if
the requisite special tools, e.g. for adjusting the balance, are
not available. In general, when the turbocharger is dam-
aged it is more economical to fit a factory reconditioned
turbocharger.
Dismantling turbocharger
1. Mark the compressor housing, turbine housing and the
bearing housing in relation to each other.
2. Fix the turbocharger by the outlet flange in a vice fitted with
soft jaws.
3. Remove the compressor housing circlip and remove the
housing.
4. Unscrew the turbine housing fixing screws and remove the
fixing plate. Detach the bearing housing from the turbine
housing.
5. Hold the turbine wheel at hub and unscrew the compressor
wheel nut (left---hand thread). Removethe compressorwheel.
6. Remove the turbine wheel/shaft carefully by tapping at the
shaftendwithasofthammer.Donotbendtheshaft.
7. Place the bearing housingon a tableso that the turbine side
is against the table. Remove the support flange circlip.
8. Remove the support flange and theoil deflector ring by pry-
ing with two screwdriver behind the support flange grooves.
Press the deflector ring out of the support ring.
9. Remove the oil deflector plate, thrust bearing and thrust
sleeve from the bearing ho us ing. Remove the bearing outer
circlips and remove the bearings and the inner circlips.
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