3176C and 3196 Marine Engines Caterpillar

Removal Procedure

Start By:

1. Remove the oil pan.

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Illustration 1	g00516918

1. Remove bolts (1) that hold crankshaft main bearing cap (2). Remove crankshaft main bearing cap (2) .

2. Remove the lower half of the crankshaft main bearing from crankshaft main bearing cap (2) .

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Illustration 2	g00516920
Typical example

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NOTICE
If the crankshaft is turned in the wrong direction, the tab of the crankshaft main bearing will be pushed between the crankshaft and the cylinder block. this can cause damage to either or both the crankshaft and the cylinder block.

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Illustration 3	g00516919

3. Use the following steps in order to remove the upper half of crankshaft main bearings (3) :

   1. Turn the crankshaft until Tool (A) can be installed in the crankshaft journal. Install Tool (A) .

   2. Turn the crankshaft in order to remove the upper half of the crankshaft main bearing. In order to get the tab out first, the crankshaft must be turned in the correct direction.

   3. Check the condition of the crankshaft main bearings. Refer to the Guideline For Reusable Parts, SEBF8009, "Main and Connecting Rod Bearings" or refer to the Guideline For Reusable Parts, SEBF0531, "Main and Connecting Rod Bearings".

4. Remove thrust plate (4) .