SEAL-LIP TYPE 6V8406 - Caterpillar

Remove And Install Turbocharger
1. Remove the air cleaner. 2. Disconnect and plug lines (1) and (2). Remove the elbow and flange and the gaskets.3. Disconnect exhaust elbow (3) and air tube (4).4. Attach a strap and hoist to the turbocharger. 5. Remove bolts (5) and turbocharger (6). The weight of the turbocharger is approximately 100 kg (220 lb). The following steps are for installation of the turbocharger.6. Put turbocharger (6) in position. Put 5P3931 Anti-Seize Compound on the threads of bolts (5) and install them. Tighten the bolts to a torque of 55 10 N m (41 7 lb ft).7. Remove the strap and hoist.8. Connect air tube (4) and exhaust tube (3). Put 5P3931 Anti-Seize Compound on the threads of the bolts for the exhaust tube and tighten them to a torque of 200 25 N m (150 20 lb ft).9. Install the elbow and flange and gaskets. Connect lines (1) and (2).10. Install the air cleaner.Disassemble And Assemble Turbocharger
Start By:a. remove turbocharger 1. Mark the three housings of the turbocharger for proper alignment at assembly. 2. Attach tooling (A) and a hoist to the turbocharger. The weight of the turbocharger is approximately 100 kg (220 lb). Remove eight bolts (1), the lock plates, and four straps (2). If the branch position of the housings are changed, the housings must first be separated by a minimum of 2 mm (.08 in) to prevent the diffuser from scratching the compressor housing.3. To remove turbine housing (3), raise the turbocharger a small amount and tap on the turbine housing. 4. Put tool (B) in a vice and set the turbocharger in tool (B) as shown. Remove bolts (5), the washers, straps (6) and compressor housing (4). 5. Remove diffuser (7).
To prevent a bent shaft, do not put a side force on the turbine shaft when the compressor wheel nut is loosened.
6. Use a universal joint and a socket of the correct size to remove nut (8) and the washer. Remove seal (9).
Be prepared to catch the turbine when the shaft breaks loose from the compressor wheel.
7. Put the cartridge group in a press as shown. Apply enough pressure to break the shaft free from the compressor wheel. 8. Put the cartridge group in tool (B) and remove compressor wheel (10). 9. Use tooling (C) to remove retaining ring (11). 10. Remove ring (12), cover (13), shield (15), and ring (17). Remove ring (16) from ring (12) and O-ring seal (14) from cover (13). 11. Remove three bolts (18) and the lockwashers. 12. Remove the retainer, bearing (19), and ring (20). 13. Remove the housing assembly from shaft and wheel assembly (21).14. Separate housing (22) from shroud (23) and remove housing (22). 15. Remove plug (24). 16. Remove two bolts (25) and two bearings (26). 17. Remove shroud (23) and seal ring (27). The following steps are for assembly of the turbocharger. Put clean engine oil on all parts of the cartridge group during assembly.18. Put