Removal Procedure
| NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
| NOTICE |
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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 Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
- Disconnect the harness assemblies from speed/timing sensors (1) .
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| Illustration 1 | g01184060 |
- Remove bolt (2) .
- Remove speed/timing sensors (1) .
- Remove the O-ring seals from speed/timing sensors (1) .
Installation Procedure
| NOTICE |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Install new O-ring seals on speed/timing sensors (1) .
Note: The speed/timing sensors must be replaced as a pair.
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| Illustration 2 | g01184060 |
- Apply clean engine oil to the O-ring seals prior to installation.
- Position speed/timing sensors (1) on the engine.
- Install bolt (2) and tighten to a torque of 28 ± 7 N·m (21 ± 5 lb ft).
Note: Ensure that the speed/timing sensors are seated on the sensor flanges before you tighten the bolt on the bracket.
- Connect the harness assemblies to speed/timing sensors (1) .
- Calibrate the speed/timing sensors. Refer to Troubleshooting, "Engine Speed/Timing Sensor - Calibrate".