INJECTOR SYNCHRONIZATION, FUEL SETTING, AND FUEL TIMING - CONTINUED
Injector spring must be slightly compressed to allow free movement of injector rack. A spring compressor
must be installed on all injectors to prevent internal damage to injectors.
Spring compressor is shown installed on no. 1 injector.
Apply a small amount of clean engine oil to top of injector (1) and install spring compressor (2) and bolt (3) into vacated
rocker arm bolt hole.