| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 9U-6891 | Injector Tool Group | 1 |
| B | 9U-6862 | Tapered Brush | 1 |
| 9U-6863 | Small Bore Brush | 1 | |
| 9U-7244 | End Brush | 1 | |
| 9U-7237 | Brush Extension | 1 | |
| 4C-5552 | Large Bore Brush | 1 | |
| C | 4C-9507 | Retaining Compound | - |
Start By:
- Remove the electronic unit injectors.
| 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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates. |
- Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures.
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Illustration 1 g01261663 - Install Tooling (A) into electronic unit injector sleeve (1).
- Tighten the nut until electronic unit injector sleeve (1) is pulled free of the cylinder head assembly.
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Illustration 2 g03424117 - Remove electronic unit injector sleeve (1).
- Use Tooling (B) to clean the bore in the cylinder head for the electronic unit injector sleeve.
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NOTICE Ensure that the electronic unit injector sleeve and the cylinder head bore are completely free of oil, dirt, and sealant debris.
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Illustration 3 g01261773 - Install new O-ring seals (2) and (3) on electronic unit injector sleeve (1).
Note: Do not apply Tooling (C) to the cylinder head surfaces. Apply Tooling (C) on the electronic unit injector sleeve only.
- Apply a thin coat of Tooling (C) to O-ring seal (3) and the contact surface of electronic unit injector sleeve (1) on the surface that is Marked "X".
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Illustration 4 g01261802 - Install Tooling (A) into the threads of electronic unit injector sleeve (1).
- Position Tooling (A) and the electronic unit injector sleeve in the cylinder head. Use care not to damage the O-ring seal on the electronic unit injector sleeve.
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NOTICE Ensure that the electronic unit injector sleeve is properly seated in the cylinder head. The Tooling will "RING" when the electronic unit injector sleeve is fully seated in the bore of the cylinder head.
- Use Tooling (A) and a hammer to install electronic unit injector sleeve (1) in the cylinder head.
- Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the correct draining and filling procedures.
End By:
- Install the electronic unit injectors.