TM 5-3805-260-24DISASSEMBLE ROCKER SHAFTSstart by:a) remove rocker shafts and push rods1. Remove bolts (I), locks (2) and tile washers from eachend of the rocker shaft.2. Remove shaft (3) from bracket (4).3.Remove rocker arm assemblies (7) and the washersfrom shaft (3).4. Remove screw (5) and nut (6) from rocker armassemblies (7).ASSEMBLE ROCKER SHAFTS1. Make sure the oil holes in the rocker arm assemblies,rocker shaft and bracket are clean and free of all dirt andforeign material.2. Measure the bore of the bushing in each of the rocker arms.The bore must be .8603 + .0008 in. (21.852 -t 0.020 mm).The maximum permissible bore is .8630 in. (21.920 mm).NOTE: Make a replacement of the arm and bushing as a unit ifthe bore is not correct. The arms and bushings can not beordered separately.3. Measure the diameter of the shaft at each of the rocker armlocations. The diameter must be .8580 to .8588 in.(21.793 to 21.814 mm). The minimum permissiblediameter is .8570 in. (21.768 mm).4. Install the screws and nuts (2) into rocker arm assemblies(4). Turn the screws until they are .44 in. (I 1 .2 mm)below the bottom of the rocker arm assemblies.5. Install the rocker arm assemblies and washers (3) onshaft (I) as shown.3-101
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