BEARING SURFACE (JOURNAL) FOR CONNECTING RODS

BEARING SURFACE (JOURNAL) FOR MAIN BEARINGS

MAIN BEARINGS AND CONNECTING ROD BEARINGS

TM-5-3805-263-14P-2 Grader Heavy Road Motorized Type I Nonsectionalized Type II Sectionalized Manual
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3304 VEHICULAR ENGINES SPECIFICATIONS TM 5-3805-263-14&P-2 BEARING SURFACE (JOURNAL) FOR CONNECTING RODS BEARING SURFACE (JOURNAL) FOR CONNECTING RODS .010 in. (0.25 mm) .020 in. (0.51 mm) .030 in. (0.76 mm) ORIGINAL UNDER SIZE UNDER SIZE UNDER SIZE SIZE (SMALLER) (SMALLER) (SMALLER) JOURNAL JOURNAL JOURNAL JOURNAL (A) Diameter of crankshaft journal 2.9992 ± .0008 in. 2.9892 ± .0008 in. 2.9792 ± .0008 in. 2.9692 ± .0008 in. (bearing surface) for (76.180 ± 0.020 mm) (75.926 ± 0.020 mm) (75.672 ± 0.020 mm) (75.418 ± 0.020 mm) connecting rod. Surface finish on 10 micro inches or smoother diameter of journal (0.25 micrometer) .226 ± .008 in. *(B) Radius (5.74 ± 0.20 mm) Surface finish in 63 micro inches or smoother radius (1.6 micrometers) (C) Width of journal 1.8775 ± .0055 in. (47.689 ± 0.140 mm) *Radius (B) must blend smoothly (have no sharp edges) with machined surfaces of the journals. 1-245

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