Cylinder Head, Valves and Manifolds Inspection Rocker Arm Shaft O.D. - 3TN66: Measure outer diameter of rocker arm shaft at each rocker arm location. Standard . . . . . . . . . . . . . . . . . 9.97 - 9.99 mm . . . . . . . . . . . . . . . . . . . . .(0.3925 - 0.3933 in.) Wear Limit. . . . . . . . . . . 9.95 mm (0.3920 in.) Rocker Arm Shaft O.D. - 3TNA72 (3009): Standard . . . . . . . . . . . . . . . 11.96 - 11.98 mm . . . . . . . . . . . . . . . . . . . . .(0.4711 - 0.4718 in.) Wear Limit. . . . . . . . . . 11.95 mm (0.4706 in.) Replace rocker arm shaft if less than wear limit. Measure inner diameters of rocker arms and supports.
M35262 1-20 4/7/95 AllTractorManuals.com Mounting Nut (2) Mounting Cap Screw M8 M8 x 45 26 N•m (226 lb-in.) 26 N•m (226 lb-in.) Rocker Arm Shaft Exhaust Valve Rocker Arm Rocker Arm Shaft Spring Nut Adjusting Screw Rocker Arm Support (3) Set Screw Intake Valve Rocker Arm Valve Caps Push Rod 3TNA72 (3009) M82258A 1 Exhaus Rocker t Valve Arm M82258A