PUMP AS-FUEL INJECTION 4204524 - Caterpillar

Illustration 1 g02353356
Injector code
If the original electronic unit injector (8) is installed, ensure that the electronic unit injector is installed into the original position.
If a replacement electronic unit injector is installed, the correct injector code must be programmed into the electronic control module. Refer to Troubleshooting, "Injector Code - Calibrate" for more information. The code that is required is located at Position (X) .Note: Record Code (X) before the electronic unit injector is installed.
Use Tooling (D) in order to remove any fuel from the cylinder.Note: Evacuate as much fuel as possible from the cylinder before installing the electronic unit injector.
Illustration 2 g02313273
If necessary, follow Step 4.a through Step 4.e in order to install a new harness assembly (6) to cylinder head (16) .
Install a new harness assembly (6) to cylinder head (16) .Note: Do not lubricate the O-ring seal.
Install a new bolt (14) to harness assembly (6). Tighten the bolt to a torque of 5.5 N m (49 lb in).
Install new assemblies of cable strap (13) for harness assembly (6) to cylinder head (16) .Note: Ensure that the assemblies of the cable strap are correctly installed into the cylinder head.
Connect harness assembly (15) to harness assembly (6) .
If necessary, repeat Step 4.a through Step 4.e in order to install the remaining harness assemblies to the cylinder head.
Ensure that the fuel inlet port of the electronic unit injector is capped. Ensure that the electronic unit injector is clean.
Illustration 3 g01972153
New sealing washer (12) should only be installed if the original electronic unit injector (8) is to be reused.
On installing an original electronic unit injector, install a new O-ring seal (11) .Note: Do not lubricate the O-ring seal.
Use a suitable tool in order to install a new sealing washer (12) to electronic unit injector (8) .Note: Ensure that the nozzle for the electronic unit injector is not damaged in any way on installation of the new sealing washer.
Ensure that O-ring seal (11) and sealing washer (12) on a new electronic unit injector are not damaged and in place.Note: Do not lubricate the O-ring seal.
Ensure that the seat for the electronic unit injector in the cylinder head is clean and free from damage. Ensure that the sealing washer has been removed from the cylinder head.
Illustration 4 g01971773
Position clamp (10) onto electronic unit injector (8). Align the assembly of electronic unit injector (8) to the bore for the electronic unit injector in the cylinder head.Note: Ensure that the clamp is correctly positioned onto the electronic unit injector.
Push only on injector clamp (10) in order to install electronic unit injector (8). Do not apply pressure on any other part of the electronic unit injector. Ensure that the electronic unit injector is pushed firmly against the seat in the cylinder head.
Install a new Torx screw (9) to clamp (10). Tighten the Torx screw finger tight.
Remove the cap from electronic unit injector (8). Install a new seal (4) to electronic unit injector (8) and to the cylinder head. Ensure that the flange on the seal is flush with the