TURBOCHARGER GP 7N4650 - Caterpillar

Exhaust Manifolds (Water Cooled)
start by: a) remove turbocharger heat shieldb) remove fuel linesc) remove valve covers 1. Remove the water line (3) from manifold.2. Remove oil line (2) for turbocharger lubrication valve (right side only).3. Remove the shield (1).4. Remove bolts that hold elbows (4) to exhaust manifold.5. Hit the elbows with a soft hammer to disconnect them from manifold. 6. Remove four bolts that hold water connectors (6) to the exhaust manifold.7. Remove the bolt that holds brace (5) to manifold.8. Remove bolts (7) that hold exhaust manifold to the cylinder heads. 9. Remove bolts and nuts that hold exhaust manifold to the turbocharger.10. Install a 3/8"-16 NC forged eyebolt and a 5/16"-18 NC forged eyebolt in manifold. Fasten a hoist and remove (watercooled) exhaust manifold. Weight is 200 lb. (91 kg) for D379; 285 lb. (129 kg) for D398; 390 lb. (177 kg) for D399.Install Exhaust Manifolds (Water Cooled)
1. Install a 3/8"-16 NC forged eyebolt and a 5/16"-18 NC forged eyebolt in manifold. Fasten a hoist.2. Install the (watercooled) exhaust manifold on the engine with a hoist. Install new gaskets.3. Put 5P3931 Anti-Seize Compound on threads of bolts. Install the bolts that hold manifold to cylinder heads. Tighten bolts to a torque of 110 10 lb. ft. (149 14 N m).4. Connect brace to exhaust manifold. 5. Put the elbow (1) in position. Install the bolts that hold elbow to manifold.6. Install the bolts that hold elbow (2) to exhaust manifold. 7. Put 5P3931 Anti-Seize Compound on threads of bolts. Install the bolts (3) that hold exhaust manifold to turbocharger. Tighten the bolts to 40 4 lb. ft. (55 5 N m). 8. Install the shield (4).9. Install the water line for turbocharger heat shield. Install the oil line for turbocharger heat shield. Install the oil line for turbocharger lubrication valve.end by: a) install valve coversb) install fuel linesc) install turbocharger heat shield