KEY 4984974 - Caterpillar

Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
E 1P-0510 Driver Gp 1
F 4C-5552 Large Bore Brush 1
G - Loctite 620 -
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Thoroughly clean the bores for the unit injectors with Tooling (F).
Illustration 1 g06115139
Apply clean engine oil to O-ring seals (2). Install O-ring seals (2) on unit injector sleeve (1).
Apply a thin coating of Tooling (G) around the outer circumference of unit injector sleeve (1) at Area (G).
Position unit injector sleeve (1) in the cylinder head. Use a hammer and Tooling (E) in order to install unit injector sleeve (1) in the cylinder head. Note: Allow Tooling (G) to cure for 2 hours at 21 °C (70 °F) before filling the engine with fuel or coolant. Longer curing time is required for lower temperatures.
Fill the cooling system with coolant to the correct level. Refer to Operation and Maintenance Manual, "Refill Capacities and Recommendations". End By:
Install the unit injectors. Refer to Disassembly and Assembly, "Unit Injector - Install".