ARM AS-PUSH LH 4638824 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 278-4138 Cap Kit 1
Contact with high pressure fuel may cause fluid penetration and burn hazards. High pressure fuel spray may cause a fire hazard. Failure to follow these inspection, maintenance and service instructions may cause personal injury or death.
Ensure that all adjustments and repairs that are carried out to the fuel system are performed by authorized personnel that have the correct training.Before beginning ANY work on the fuel system, refer to Operation and Maintenance Manual, "General Hazard Information and High Pressure Fuel Lines" for safety information.Refer to Systems Operation, Testing and Adjusting Manual, "Cleanliness of Fuel System Components" for detailed information on the standards of cleanliness that must be observed during ALL work on the fuel system.
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.Dispose of all fluids according to local regulations and mandates.
Note: Put identification marks on all hoses, on all hose assemblies, on wires and on all tube assemblies for installation purposes. Plug all hose assemblies and tube assemblies. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
Turn the fuel supply to the OFF position.
Turn the battery disconnect switch to the OFF position.
Illustration 1 g01457355
Typical example
Disconnect fuel injection line (3) from electronic unit injector (2).
Disconnect fuel injection line (3) from fuel manifold (4).
Remove fuel injection line (3). Discard the fuel injection line.
Plug the open port in fuel manifold (4) immediately. Use Tooling (A) in order to plug the open port.
Remove seal (1) from electronic unit injector (2) and from the base of the valve mechanism cover.
Use a new plug in order to plug the open port in electronic unit injector (2). Use Tooling (A) in order to plug the open port.
Repeat Step 3 through Step 8 in order to remove the remaining fuel injection lines from the electronic unit injectors.
If necessary, remove the crankcase breather. Refer to Disassembly and Assembly, "Crankcase Breather - Remove".
Remove the electronic control module. Refer to Disassembly and Assembly, "Electronic Control Module - Remove and Install".
Illustration 2 g01254886
Typical example
Remove bolt (7) from clip (8).
Disconnect fuel injection line (6) from fuel injection pump (5).
Disconnect fuel injection line (6) from fuel manifold (4).
Remove fuel injection line (6). Discard the fuel injection line. Plug all open ports immediately. Use Tooling (A) in order to plug the open ports in the fuel manifold and in the fuel injection pump.