3176C and 3196 Marine Engines Caterpillar

Installation Procedure

Note: Old gaskets should always be replaced with new gaskets.

Note: Do not tighten bolts or nuts until all tubes and all lines are installed.

Note: If the turbocharger housings were separated from the turbocharger cartridge, place the components in the original position with the alignment marks.

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Illustration 1	g00672235
Typical Example

1. Attach a suitable lifting device (11) to turbocharger (10) . Install a new gasket and position turbocharger (10) on the inlet manifold.

2. Apply Tooling (A) to the studs for the turbocharger.

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Illustration 2	g00672238

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

3. Install nuts (9) .

4. Install air inlet tube (12) .

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Illustration 3	g00672236

5. Install oil supply tube (6) with new gaskets and the two bolts on each end of the tube. Hold the oil supply tube in place with bolt (5) .

6. Install coolant hose (8) and tighten clamp (7) .

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Illustration 4	g00672237

7. Connect coolant tube (4) to the turbocharger. Install bolts (2) .

8. Install the gasket and turbocharger drain line (3) . Tighten bolts (1) .

9. Tighten the four bolts that fasten the turbocharger to the inlet manifold to a torque of 55 ± 5 N·m (41 ± 4 lb ft).