3054 Engine for Caterpillar Built Machines Caterpillar

Assembly Procedure

1. Lubricate all of the components with clean engine oil.

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Illustration 1	g00550062
(1) Retaining ring (2) Washer on the end of the rocker shaft (3) Rocker arm assembly (4) Rocker shaft bracket (5) Spring on the rocker shaft (6) Washer (7) Rocker shaft (8) Bolt (9) Oil supply connection (10) Rocker arm bushing

2. Install oil supply connection (9) and bolt (8) on rocker shaft (7) .

   Note: Ensure that the bolt and the connection are correctly positioned on the rocker shaft.

   Note: Ensure that all of the oil holes in the rocker shaft and in the rocker arms are not plugged before you begin the assembly procedure.

3. Install rocker arm bushing (10) in rocker arm assembly (3) with a suitable press. Ream the bushing to a clearance of 0.06 ± 0.03 mm (0.0024 ± 0.0012 inch), if necessary.

4. Install each of the components in the correct order onto rocker shaft (7). See Illustration 1.

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Illustration 2	g00550061

5. Install retaining ring (1).

End By: Install the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Install".