3508, 3512 and 3516 Generator Set Engines Caterpillar

Assembly Procedure

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Illustration 1	g02026913
Oil holes

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Illustration 2	g02026914

Note: Make sure that the bore of the rocker arm and the sleeve bearing are thoroughly clean.

1. 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) in order to install the sleeve bearing in rocker arm (2).

   After the bearing is installed, measure the bore of the bearing. The bore must be 37.140 ± 0.015 mm (1.4622 ± 0.0006 inch).

2. Align the scribe mark on socket (5) with the scribe mark on rocker arm (2). Press socket (5) fully into rocker arm (2).
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   Illustration 3	g02026933

3. Place retaining ring (6) on button (7). Install button (7) in socket (5).

4. Install adjustment screw (3) and the nut on rocker arm (2).
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   Illustration 4	g02026778

5. If the dowel was removed from shaft (1), install a new dowel. The dowel must project 6.2 mm (0.24 inch) above the surface of shaft (1).

6. Coat the bearings of rocker arms (2) and coat shaft (1) with clean engine oil. Install rocker arms (2) on shaft (1).

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1. Install the rocker shaft assemblies.