CYLINDER & MOUNTING GP 8D4520 - Caterpillar

Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
E 221-9777 Sleeve Installer 1
F 4C-5552 Large Bore Brush 1
G 4C-9507 Retaining Compound -
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Use Tooling (F) to clean the bore for the electronic unit injector sleeve.
Illustration 1 g01108541
Install new O-ring seals (2) on the new electronic unit injector sleeve (1). Lubricate the O-ring seals with clean engine oil.
Apply a thin coating of Tooling (G) around the outer circumference of electronic unit injector sleeve (1) at Area (X).
Place electronic unit injector sleeve (1) on Tooling (E).
Position the electronic unit injector sleeve in the cylinder head. Use a hammer and Tooling (E) to install the electronic unit injector sleeve in the cylinder head. Note: Allow Tooling (G) to cure for two hours at 21 °C (70 °F) before filling the engine with fuel or coolant. Longer curing time is required for lower temperatures.End By:
Install the electronic unit injectors. Refer to Disassembly and Assembly, "Electronic Unit Injector - Install".