Turbocharger, Reconditioning; Schwitzer S4T Y Tad1630/1631 - Volvo Penta TAD1630G Workshop Manual

Group 22

Turbocharger, reconditioning

Schwitzer S4T (TAD1630, TAD1631)
Disassembly
1
Mark the relative positions of the compressor cover (3) and
turbine housing (19) to the bearing housing (13).
2
Fix the turbine housing in the vise using soft jaws. The turbo-
charger shaft should be vertical.
3
1. Compressor Wheel
2. Lock nut
3. Compressor Cover
4. Piston ring holder
5. Shim (optional)
6. Piston ring
7. Cover
8. Screws
9. Thrust bearing
10. V-clamp
11. Thrust washers
12. Spacer sleeve
Service procedures - intake and exhaust systems
13. Bearing housing (complete)
14. V-clamp
15. Circlips
16. Heat Shield
17. Piston ring
18. Turbine housing
19. Shaft and wheel (complete)
20. Snap ring
21. O-Ring
22. Bearings
23. Oil deflector
Remove the V-clamp (10) securing the compressor cover.
4
Remove the compressor cover (3).
5
Remove the V-clamp securing the turbine housing.
6
Lift the central bearing housing out of the turbine housing.
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