HOUSING AS-TURBINE 2239087 - Caterpillar

Remove And Install Turbocharger (S4A)
1. Disconnect hose assemblies (4) and (5) from elbow (6).2. Loosen the clamps that hold hose (1) in place, and move hose (1) away from elbow (6).3. Remove the bolt, lock and elbow (6) from the turbocharger.4. Loosen the clamps that hold elbow (7) in place, and move the elbow away from the turbocharger.5. Remove tube assemblies (8) and (9).6. Remove the clamp that holds pipe assembly (2) in position, and move the pipe assembly away from the turbocharger.7. Fasten a hoist to turbocharger (3). Remove the nuts that hold the turbocharger to the exhaust manifold, and remove the turbocharger. The weight of the turbocharger is 23 kg (51 lb.). The following steps are for the installation of the turbocharger.8. Install the gasket between the turbocharger (3) and the exhaust manifold. Put 5P3931 Anti-Seize Compound on the threads of the bolts, and install the bolts and the nuts that hold the turbocharger to the exhaust manifold. Tighten the bolts to a torque of 55 5 N*m (41 4 lb.ft.).9. Make sure the gaskets are in position on tube assemblies (8) and (9), and install the tube assemblies.10. Put pipe assembly (2) in position on the turbocharger, and install the clamps that hold it in place.11. Put elbow (7) in position on the turbocharger, and install the clamps that hold it in place.12. Put elbow (6) in position in the turbocharger and hose (1). Tighten the clamps that hold the hose to the elbow.13. Install the lock and bolt to hold elbow (6) in position in the turbocharger.14. Connect hose assemblies (4) and (5) to elbow (6).Disassemble Turbocharger
Start By:a. remove turbocharger 1. Install the turbocharger on tool (A) as shown.2. Put alignment marks on three housings of the turbocharger for correct alignment during assembly. Loosen clamp (2), and remove the clamp and housing (1) from housing assembly (3). 3. Loosen clamp (4), and remove the housing assembly (3) from housing (5). 4. Put the cartridge group in position in tool (B) as shown.
When the nut is loosened, do not put a side force on the shaft. This can result in a bent shaft.
5. Use a 5S9566 Sliding T-Wrench and a universal socket (6) to remove the nut that holds the compressor wheel to the wheel assembly.6. Remove compressor wheel (7) and the shims from wheel assembly (8).7. Remove housing assembly (3) from wheel assembly (8). 8. Remove ring (9) and backplate (10) from wheel assembly (8). 9. Use tool (C), and remove snap ring (11) from housing assembly (3). 10. Remove insert (12) and sleeve (13) from housing assembly (3). 11. Remove ring (14) from sleeve (13). 12. Remove the screws (15) and deflector (16) from housing assembly (3). 13. Remove ring (18) and bearing assembly (17) from the housing assembly. 14. Remove sleeve (19) and ring (20) from the housing assembly. 15. Remove O-ring seal (23) from the housing assembly.16. Use tool (D), and remove snap ring (22) from the housing assembly.17.