LOCK AS 5386457 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 9U-6891 Injector Tool Group 1
B 9U-6862 Tapered Brush 1
9U-6863 Small Bore Brush 1
9U-7244 End Brush 1
9U-7237 Brush Extension 1
4C-5552 Large Bore Brush 1
C 4C-9507 Retaining Compound 1 Start By:
Remove the electronic unit injectors.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Drain the coolant from the cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Coolant - Change".
Illustration 1 g01043124
Install Tooling (A) in electronic unit injector sleeve (1).
Tighten the nut on Tooling (A) until the electronic unit injector sleeve is pulled free of the cylinder head.
Illustration 2 g01073635
Remove O-ring seals (2) and O-ring seal (3) from electronic unit injector sleeve (1). Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Use Tooling (B) to clean the bore in the cylinder head for the electronic unit injector sleeve.
Ensure that the electronic unit injector sleeve and the cylinder head bore are completely free of oil, dirt, and sealant debris.
Illustration 3 g01043165
Install new O-ring seals (2) and O-ring seal (3) on electronic unit injector sleeve (1).
Apply Tooling (C) to the contact surface of electronic unit injector sleeve (1) on the surface that is Marked "X". Note: Do not apply Tooling (C) to the cylinder head surfaces. Apply Tooling (C) on the electronic unit injector sleeve only.
Lubricate O-ring seals (2) with clean engine oil.
Illustration 4 g01099549
Install electronic unit injector sleeve (1) on Tooling (A). Position the electronic unit injector sleeve in the cylinder head. Use care not to damage the O-ring seals on the electronic unit injector sleeve. Use Tooling (A) and a hammer to install the electronic unit injector sleeve in the cylinder head.
Ensure that the electronic unit injector sleeve is properly seated in the cylinder head. The Tooling will "RING" when the electronic unit injector sleeve is fully seated in the bore of the cylinder head.
Remove Tooling (A). Remove excess Tooling (C).
Fill the cooling system with coolant. Refer to Operation and Maintenance Manual, "Coolant - Change". End By:
Install the electronic unit injectors.