Removal Procedure
| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 9U-6148 | Idler Shaft Puller | 1 |
Start By:
- Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Remove".
| 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. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
- Remove idler gear bolt (1) and the washer from the idler gear shaft .
Note: Before removal, ensure that the marks on the timing gears are in alignment. Align the fuel injection drive gear with the "33" mark with the "3" mark on the idler gear. Make an alignment of the "2" mark on the camshaft gear with the "22" mark on the idler gear. Align the "1" mark on the crankshaft gear with the "11" mark on the idler gear. The No. 1 cylinder is at the top center position when these marks are in alignment.
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| Illustration 1 | g00559575 |
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| Illustration 2 | g00559536 |
- Remove thrust plate (2) .
- Remove idler gear (3) .
- Use Tool (A) and remove idler shaft (4) from the cylinder block.
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| Illustration 3 | g00559567 |
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| Illustration 4 | g00559569 |
- If necessary, remove five bolts (5) that hold front plate (6) to the cylinder block.
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| Illustration 5 | g00559572 |
- Remove front plate (6) and the gasket.
Note: See the following list for the removal of the other gears in the front gear group.
- In order to remove the camshaft gear, refer to Disassembly and Assembly, "Camshaft - Remove and Install".
- In order to remove the fuel injection pump gear, refer to Disassembly and Assembly, "Fuel Injection Pump Housing and Governor - Remove".
- In order to remove the gear to the engine oil pump, refer to Disassembly and Assembly, "Engine Oil Pump - Remove".
- In order to remove the crankshaft front gear, refer to Disassembly and Assembly, "Crankshaft Gear - Remove and Install".