PIN AS 2624352 - Caterpillar

Removal Procedure
Start By:
Remove the valve mechanism cover.
Illustration 1 g02867016
Remove nuts (1) to remove nozzle clamps (2). If necessary, remove electronic unit injectors (3). Refer to Disassembly and Assembly, "Electronic Unit Injector - Remove".
Illustration 2 g02867022
Illustration 3 g02867180
Progressively loosen nuts (4). Begin at the ends of the rocker shaft assembly and work toward the center. Remove nuts (4). Note: To avoid distortion of the rocker shaft assembly, each nut should be loosened by a quarter of a turn at one time. Repeat the procedure until all nuts are loosened.
Remove rocker shaft assembly (5).
Place temporary identification marks on valve arm bridges (6) and pushrods (7). Note: Identification will ensure that the valve arm bridges and pushrods can be reinstalled in the correct position. Do not interchange the positions of used pushrods or pads.
Remove valve arm bridges (6) from the valve stems. Remove pushrods (7) from the cylinder head.