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


Idler Gear - Remove and Install
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1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tooling 
Tool  Part Number  Part Description  Qty 
387-1314  Idler Gear Tool 

Start By:

  1. Remove front housing.


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Dispose of all fluids according to local regulations and mandates.




    Illustration 1g06014275

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


    Illustration 2g06014283

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


    Illustration 3g06014290

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


    Illustration 4g06014314

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


    Illustration 5g06014318

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


    Illustration 6g06014504

    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).

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