AXLE AS 2153968 - Caterpillar

Remove Valve Lifters
START BY:a) remove valve cover bases The pictures were taken on a similar 3406 Engine. 1. Use tool (A) to loosen the nuts on the fuel injection valves and use tool (B) to loosen the nuts on the adapter assemblies in the cylinder head. Remove inner fuel lines (1).
If necessary, use tool (D) to turn the engine so the valves do not make contact with the pistons when the valves are opened with tool (C) to remove the push rods.
2. Put compression on the valve springs with tool (C) and remove push rods (2).3. Push the push rod end of the rocker arms down. 4. Remove the intake valve lifter with tooling (E) as follows:a) Install the 5P2685 Nut and the 5P6601 Collet on the 5P2408 Outer Handle Assembly.b) Install the 5P6599 Inner Handle Assembly in the 5P2408 Outer Handle Assembly.c) Install tooling (E) in the intake valve lifter. Hold the 5P2408 Outer Handle Assembly and tighten the 5P6599 Inner Handle Assembly until the 5P6601 Collet is tight against the inside of intake valve lifter. d) Remove intake valve lifters (3) from the cylinder block with tooling (E). 4. Remove the exhaust valve lifters with tooling (E) as follows:a) Install 5P2685 Nut (5) and 5P6601 Collet (6) on 5P3408 Outer Handle Assembly (4). The opening in the cylinder head for the intake valve lifter is