YOKE ASSEM. 8D8186 - Caterpillar

Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 370-4653 Counterweight Tool 1
B 4C-5597 Anti-Seize Compound 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g03461476
Ensure that turbocharger (3) is clean and free from damage. Inspect the turbocharger for wear. Refer to System Operation, Testing and Adjusting, "Turbocharger Inspect" for more information. If any part of the turbocharger is worn or damaged, the complete turbocharger must be replaced.
Test wastegate actuator (25) for correct operation. Refer to System Operation, Testing and Adjusting, "Turbocharger Inspect" for more information. If any part of the wastegate actuator is worn or damaged, the complete turbocharger must be replaced.
Illustration 2 g03461477
Clean the gasket surface of exhaust manifold (21). If necessary, install studs (24) to turbocharger (3). Tighten the studs to a torque of 18 N m (160 lb in).
Install a new gasket (23) to studs (24).
Position turbocharger (3) onto the exhaust manifold and install nuts (22) finger tight. The nuts (22) should not constrain the turbocharger and prevent Tooling (A) from correctly positioning the turbocharger onto the exhaust manifold.
Use Tooling (A) to align turbocharger (3). Note: Ensure that the turbocharger is correctly oriented.
Illustration 3 g03459359
Turbocharger tightening sequence viewed from the exhaust manifold.
Tighten nuts (22) in the sequence shown in Illustration 3 to a torque of 44 N m (32 lb ft).
Remove Tooling (A) from turbocharger (3).
Illustration 4 g03461478
Illustration 5 g03461479
Remove plugs and caps from tube assemblies. Ensure that tube assembly (20) and tube assembly (16) are clean and free from damage. Replace any damaged components.
Position a new gasket (18) (not shown) onto tube assembly (20).
Install bolts (19) to tube assembly (20). Tighten the bolt to a torque of 22 N m (195 lb in).
Remove the plug from oil inlet port (26). Lubricate the turbocharger bearings with clean engine oil through the oil inlet port. Rotate the wheel of the compressor several times in order to lubricate the bearings.
Install a new sealing washer (17) to banjo bolt (15). Install the banjo bolt to tube assembly (16). Install the remaining new sealing washer (17) to banjo bolt (15).
Position tube assembly (16) onto turbocharger (3). Tighten the banjo bolt to a torque of 20 N m (177 lb in).
Illustration 6 g03461480
Use Tooling (B) to lubricate the allen head bolt