3408C, 3412C and 3412D High Performance Marine Engines Caterpillar

3408

Illustration 1	g01025836
Typical example

(1) V-band clamps

Tighten the V-band clamps to the following torque. ... 14 ± 2 N·m (124 ± 18 lb in)

Gently hit around the V-band clamp with a soft faced hammer. Again tighten the V-band clamps to the following torque. ... 14 ± 2 N·m (124 ± 18 lb in)

(2) Impeller

In order to install the impeller, the impeller must be at room temperature. Apply a thin coat of oil to the threads and the nut's contact point on the impeller face. Tighten the nut to the following torque in order to seat the impeller. ... 14 to 17 N·m (10 to 13 lb ft)

Loosen the nut. Again, tighten the nut to the following torque. ... 5 ± 4 N·m (44 ± 35 lb in)

Use a paint stick to place an index mark on the nut and the impeller housing. Tighten the nut for an additional angle. ... 120 °

Apply 5P-3931 Anti-Seize Compound on the washer face and the bolt threads of the exhaust manifold before assembly. Tighten the bolts and nuts that hold the turbocharger to the exhaust manifold to the following torque. ... 55 ± 10 N·m (40 ± 7 lb ft)

3412

Illustration 2	g01025755
Typical example

(1) V-band clamps

Tighten the V-band clamps to the following torque. ... 14 ± 2 N·m (124 ± 18 lb in)

Gently hit around the V-band clamp with a soft faced hammer. Again tighten the V-band clamps to the following torque. ... 14 ± 2 N·m (124 ± 18 lb in)

Illustration 3	g01025767
Typical example

(2) Apply 5P-3931 Anti-Seize Compound on the washer face and the bolt threads before assembly. Tighten the bolts and nuts that hold the turbocharger to the exhaust manifold to the following torque. ... 55 ± 10 N·m (40 ± 7 lb ft)