KIT-CYLINDER PACK 0R8777 - Caterpillar

Remove and Install Fuel Injectors
Start By:a. remove rocker arm assembly 1. Remove injector hold down bolt (1).
Do not pry on the injector hold down bracket. Damage to the injector could occur. The injector has a notch on the side opposite the rack, that is for prying the injector loose.
Do not move the fuel injector rack without the injector spring slightly compressed. Damage to the injector could occur.
2. Use tooling (A) to loosen the fuel injector, then rotate injector to disengage the injector rack from the control linkage. Remove the injector and inspect to be sure that o-rings (2) were removed with the injector. The following steps are for the installation of the fuel injectors.3. With o-rings (2) in place and lubricated with engine oil, position the injector in the head and then rotate it to engage the injector rack with the control linkage. Push down on the top of the injector so the o-ring seals slide into the bore of the cylinder head. Be sure the injector is seated before installing bolt (1). Do not use the bolt to pull the injector down into the cylinder head.4. Install bolt (1) and torque it into place.End By:a. perform injector synchronization, check and adjust fuel setting if necessary.b. install rocker assembly, adjust fuel timing and valve clearance