ROD AS 3644115 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     5F-4764     Pry Bar     1    Start By:
Remove the rocker arms and the rocker arm shaft. Refer to Disassembly and Assembly, "Rocker Arm and Shaft - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01026993
Disconnect harness assembly (1) from electronic unit injector (2) .
Remove bridge assemblies (3) .
Do not reuse the injector hold down bolts. New injector hold down bolts must be used.
If the injector hold down bolt is loose during the removal procedure, inspect the injector bore for wear and debris. Replace the clamp and spacer.
Remove bolt (4), spacer (5), and clamp (6) .
Place an identification mark on the electronic unit injectors for installation purposes. Each electronic unit injector must be reinstalled in the original electronic unit injector sleeve.
Illustration 2 g00996395
Use Tooling (A) in order to pry beneath the base and free electronic unit injector (2) .
Remove electronic unit injector (2) from the cylinder head.
Illustration 3 g01039929
Remove O-ring seals (7) from electronic unit injector (2) .
Illustration 4 g01054374
Inspect electronic unit injector seat (8) and electronic unit injector bore (9) .