SPACER 3347449 - Caterpillar

Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00825291
Typical example
Remove exhaust manifold nuts (5) and bolts (6) .
Remove exhaust manifold (4) from the cylinder head (1) .
Remove gasket (3) from the cylinder head.
Remove any remaining gasket material and carbon from the cylinder head and the exhaust manifold. Be careful not to damage the mating surface on the cylinder head for the exhaust manifold.
Remove studs (2) for exhaust manifold (4) from cylinder head (1) .Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g00825291
Typical example
If studs (2) were removed during disassembly, install attaching studs (2) to cylinder head (1) .
Put a new exhaust manifold gasket (3) in position on cylinder head (1) .Note: Do not use any sealant on the exhaust manifold gasket.
Put exhaust manifold (4) in position on cylinder head (1) .
Install exhaust manifold nuts (5) and bolts (6) .For 3013C Engines and 3024C Engines, tighten nuts (5) and bolts (6) to a torque of 25 N m (18 lb ft).For 3011C Engines, tighten nuts (5) and bolts (6) to a torque of 10 N m (89 lb in).Note: Tighten the two inner bolts first on three cylinder engines. Tighten the four inner bolts first on four cylinder engines. Then tighten the two outer bolts and the two nuts. Ensure that the bolts with different lengths are installed in the correct holes.