TUBE AS 3520426 - Caterpillar

Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 387-8004 Lifting Bracket 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01148045
Illustration 2 g01325993
Position rocker arm shaft assembly (4), valve rocker arms (3), and electronic unit injector rocker arms (1) as a unit with Tooling (A) on the cylinder head.Note: Apply clean engine oil to the underside of the bolt heads and the threads prior to installation.
Install bolts (2) and tighten to a torque of 55 5 N m (41 4 lb ft). Tighten bolts (2) again to a torque of 55 5 N m (41 4 lb ft). Turn bolts (2) for an additional 60 5 degrees. Tighten the bolts in the following sequence: 2, 3, 1, 4.Note: The additional 60 degrees can be attained by turning the bolt two points.
Adjust the valve lash for the inlet valves and the exhaust valves. Refer to Testing and Adjusting, "Engine Valve Lash - Inspect/Adjust".
Adjust the electronic unit injectors. Refer to Testing and Adjusting, "Electronic Unit Injector - Adjust".End By:
Install the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".