C27 and C32 Industrial Engines Caterpillar

Removal Procedure

Start By:

1. Remove exhaust elbow.

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Illustration 1	g02248053

1. Disconnect tube assemblies (1) and (3) .

2. Disconnect tube assembly (4) .

3. Remove clamp (6) .

Note: Nuts (5) is a one time use part. Discard the nuts when the nuts are loosened.

4. Attach a suitable lifting device to turbocharger (2) . The weight of turbocharger (2) is approximately 32 kg (70 lb). Remove nuts (5) and remove turbocharger (5) .

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Illustration 2	g02027713

Note: Band clamps (7) are one-time use parts. Discard the clamp assemblies if the clamps are loosened.

5. If needed, remove clamp assemblies (7) and separate the housings from the cartridge assembly.

Installation Procedure

Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.

1. Install the turbocharger (2) in the reverse order.
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   Illustration 3	g02027713

   Note: Excessive loosening of the clamp assemblies will damage the turbocharger wheel.

   1. In order to rotate either of the turbocharger compressor housings, loosen clamp assemblies (7) . Loosen the clamp assemblies enough to rotate the housings. Position the center bearing housing with the oil supply and the drain in the vertical position. Tighten clamp assemblies (7) to a torque of 13.6 ± 1.2 N·m (120 ± 11 lb in). Tap the clamp assemblies lightly in four places around each clamp assembly. Tighten the clamp assemblies again to a torque of 13.6 ± 1.2 N·m (120 ± 11 lb in).

   Note: Discard the nuts after use. Use new nuts for installation.

   2. Apply Tooling (A) to the threads of nuts (5) prior to installation.

   3. Tighten nuts (5) to a torque of 54 ± 5 N·m (40 ± 4 lb ft).

   4. Apply clean engine oil in the oil inlet of the turbocharger after assembly or before installation.