RING-SEAL 3S1284 - Caterpillar

Remove & Install Exhaust Manifold
Start By:a. remove turbocharger
Typical Example1. Loosen hose clamp (1), and remove two clamps (2) from the breather tube. Move breather tube out of the way. 2. Remove nuts (3) and spacers (4) that hold the exhaust manifold to the cylinder head assembly.3. Remove exhaust manifold (5) and the gaskets. 4. Remove exhaust port sleeves (3) from the cylinder head. Stainless steel exhaust port sleeves must be replaced at overhaul.
Check the condition of all gaskets, exhaust port sleeves, studs and nuts. If any components are worn or damaged, use new parts for replacement.
The following steps are for the installation of the exhaust manifold.5. Put 5P-3931 Anti-Seize Compoundon the studs.6. Install exhaust port sleeves (3). Put the gaskets, and exhaust manifold (2) in position on the studs. Install the spacers and nuts (1).
Bolt Tightening Sequence7. Tighten the nuts in the numerical sequence shown to a torque of 52 7 N m (38 5 lb ft).8. Position the breather tube in its original location and install two clamps (2). Tighten hose clamp (1).End By:a. install turbocharger