C2.4 Tier 4 Final Engines for Caterpillar Built Machines Idler Gear - Remove and Install Caterpillar

Removal Procedure

Start By:

1. Remove front housing.

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Illustration 1	g06014275

1. Ensure that Timing Marks (X) on the idler gear and the crankshaft gear are aligned.
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   Illustration 2	g06014283

2. Ensure that Timing Marks (Y) on the idler gear and the camshaft gear are aligned.
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   Illustration 3	g06014290

3. Ensure that Timing Marks (Z) on the idler gear and the fuel injection pump gear are aligned.
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   Illustration 4	g06014314

4. Remove bolts (1), gear control collar (3), and idler gear (2).
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   Illustration 5	g06014318

5. Use Tooling (A) and a suitable press to remove idler gear bearing (4).
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   Illustration 6	g06014504

   Note: Make a temporary mark on the cylinder block in order to show the position of the oil hole.

6. Remove bolts (5) and idler shaft (6).

Installation Procedure

1. Install idler gear (2) in the reverse order of removal.

   1. Ensure that the gears, cylinder block surface, and idler gear (2) are clean and free from wear or damage. If necessary, replace any components that are worn or damaged

   2. Lubricate idler shaft (6) with clean engine oil.

   3. Lubricate idler gear bearing surface (4) with clean engine oil.

   4. Apply clean engine oil to bolts (5).