SPRING 8J6728 - Caterpillar

Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Group 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Perform Steps 1 through 4 for each rocker arm.
Illustration 1 g01050986Note: Make sure that the bore of the rocker arm and the sleeve bearing are thoroughly clean.
The sleeve bearing and the rocker arm have oil supply holes. The holes must be aligned when the bearing is installed in the rocker arm. Align the joint of the bearing toward the top of the rocker arm. Align the oil hole in the bearing with the oil hole in the rocker arm. Use Tooling (A) to install the sleeve bearing in rocker arm (2). After the bearing is installed, measure the bore of the bearing. The bore must be 45.056 0.015 mm (1.7740 0.0006 inch). Machine the bearing, if necessary.
Align the scribe mark on socket (3) with the scribe mark on rocker arm (2). Press the socket fully into the rocker arm.
Illustration 2 g01050990
Place the retaining ring on button (5). Install the button in socket (3).
Install adjustment screw (4) and the nut on rocker arm (2).
Illustration 3 g02360516
If necessary, replace dowel (6) with new. The dowel (6) must project 6.0 mm (0.24 inch) above the surface of the shaft. Note: The dowel (6) will be on the left side of shaft (1) and the oil hole will be on the right. The dowel (6) and oil hole locations are for the assembly and installation of the rocker arm shaft assemble.
Coat the bearings of the rocker arms and coat the shaft with clean engine oil. Install rocker arms (2) on shaft (1). End By:
Install the rocker shaft assemblies. Refer to Disassembly and Assembly, "Rocker Shaft and Push Rods - Install".