HOUSING-AXLE 3644386 - Caterpillar

Installation Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     124-2946     Lifting Bracket     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Valve rocker arms and unit injector rocker arms can move on the shaft after the bolts have been removed. The shaft should be kept level when removed from the cylinder head. To avoid possible personal injury, keep fingers clear of the valve rocker arms and the unit injector rocker arms when lifting the assembly from the cylinder head.
Illustration 1 g00517457
Illustration 2 g00517462
Illustration 3 g00517442
Install rocker shaft (3), valve rocker arms (1), and unit injector rocker arms (4) as a unit with Tooling (A) .Note: Install rocker shaft (3) with the flat side facing upward.Note: If the engine is equipped with a compression brake, skip Step 2.
Install bolts (2). Tighten bolts (2) to a torque of 109 15 N m (80 11 lb ft).
Repeat Steps 1 and 2 for the remainder of the rocker arm assemblies.End By:
Install the compression brake, if equipped. Refer to Disassembly and Assembly, "Compression Brake - Install".
Install the valve mechanism cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".