C15 On-Highway Engine Caterpillar

Illustration 1	g01527134
Exhaust manifold

Note: Apply clean engine oil to the female ends of the exhaust manifold (3) before assembly. Apply 2P-2333 High Temperature Sealer to the male ends of the exhaust manifolds (1) before assembly. Remove excess sealer from the assembled joint.

Illustration 2	g01527135
Section A-A

Use the following procedure to tighten the hose clamps (2) :

1. Tighten two hose clamps to 5 ± 1 N·m (45 ± 9 lb in).

2. Again, tighten two hose clamps 10 ± 1 N·m (90 ± 9 lb in).

Note: Apply 5P-3931 Anti-Seize Compound to the threads of the taperlock studs.

(4) Torque for 16 taperlock studs ... 35 ± 5 N·m (26 ± 4 lb ft)

Illustration 3	g00566145
Tightening sequence

(5) Tighten the 12 locknuts in the numerical sequence that is shown in Illustration 3 to 38 ± 5 N·m (28 ± 4 lb ft).