Removal Procedure
| Required Tools | |||
|---|---|---|---|
| Tool | Part Number | Part Description | Qty |
| A | 456-7992 | Tool - Puller (Injector) | 1 |
| B | 8T-2998 | Lubricant | - |
Start By:
- Remove the rocker arms and the rocker arm shaft.
- Remove the fuel manifold (rail)
| 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, "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. |
- Remove harness assembly (1) .
 | |
| Illustration 1 | g03858297 |
- Remove valve bridges (5). Note the location and orientation of the valve bridges for installation purposes.
 | |
| Illustration 2 | g03851663 |
| NOTICE |
|---|
If the injector hold down bolt is loose during the removal procedure, inspect the injector bore for wear and debris. Replace the clamp and spacer. |
- Remove bolt (3) from clamp (4) .
- Place an identification mark on electronic unit injector (2) for installation purposes. Each electronic unit injector must be reinstalled in the original location in the cylinder head.
- Use Tooling (A) to remove the electronic unit injector and the clamp from the cylinder head.
 | |
| Illustration 3 | g03851718 |
- Remove O-ring seal (7) and washer (6) from electronic unit injector (2) .
 | |
| Illustration 4 | g03852013 |
Installation Procedure
| NOTICE |
|---|
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
- Install electronic unit injector (2) in the reverse order of removal.
Note: Install electronic unit injector (2) into the original location in the cylinder head.
- Lubricate O-ring seal (6) with Tooling (B) .
- Tighten bolt (3) to a torque of 46 ± 3 N·m (34 ± 2 lb ft).
End By:
- Install the fuel manifold (rail)
- Install the rocker arms and the rocker arm shaft.