SUPPORT 6Y7778 - Caterpillar

Removal Procedure
Start By:
Remove the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01147965
Remove tube assemblies (1).
Disconnect harness assemblies (5) and harness assembly (2).
Remove bolts (4).
Remove valve mechanism cover base (3) and the seal from the cylinder head. Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01147965
Install the seal on valve mechanism cover base (3).
Position valve mechanism cover base (3) on the cylinder head and install bolts (4).
Position harness assemblies (5) on the electronic unit injectors. Tighten the cap nuts to a torque of 2.5 0.25 N m (22 2 lb in).
Connect harness assembly (2).
Install tube assemblies (1). End By:
Install the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".