ENGINE AR 1189578 - Caterpillar

Removal Procedure
Start By:
Remove the exhaust elbow from the second stage turbocharger. Refer to Disassembly and Assembly, "Exhaust Elbow - Remove and Install" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
Note: Plug and cap all open ports and tube assemblies.
Loosen the hose clamp and disconnect the air inlet hose from the turbocharger.
Illustration 1 g02529457
Loosen the bolt on V-band clamp (2) and loosen the bolt on V-band clamp (7) from elbow (1). Remove the V-band clamps from the elbow. Note: If the V-band clamp (2) and V-band clamp (7) remain tight on the flanges, apply releasing fluid on the V-band clamps in order to assist removal. Lightly tap the bolts on the V-band clamps with a soft faced hammer in order to assist removal. Do not use a prybar in order to remove V-band clamps.
Remove the elbow from turbocharger (3) and turbocharger (8).
Remove V-band clamp (4) from air duct (5) and loosen hose clamps (9). Remove hose assembly (6) and air duct (5) from the outlet of turbocharger (8) and turbocharger (3).
Illustration 2 g02529478
Disconnect hose assembly (12) from the connection on turbocharger (8). Plug the connection on the turbocharger. Cap the hose assembly.
Remove bolts (11) from tube assembly (14).
remove bolt (21) from clamp for tube assembly (14).
Remove banjo bolt (16). Remove sealing washers (18) (not shown).
Remove tube assembly (14) from turbocharger (8). Plug the tube assembly. Plug the turbocharger and the cylinder block.
Remove gasket (10) (not shown).
Remove bolts (15) and bolts (19) from tube assembly (17).
Remove tube assembly (17) from turbocharger (8).
Remove gasket (13) (not shown) and gasket (20) (not shown).
Illustration 3 g02529479
Remove nuts (26).
Remove turbocharger (8) from bracket (23).
If necessary, remove studs (22) from turbocharger (8).
If necessary, follow Step 17.a through Step 17.b in order to remove bracket (23) from cylinder block (24).
Remove bolts (25). Note: Support the bracket as the bolts are removed.
Remove bracket (23) from cylinder block (24).