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DEFINING THE CLASS OF DIAMETER OF THE MAIN JOURNALS AND CRANKPINS (Journals with nominal diameter) of the journals (1 = STD, 2 = -0.127), the other six digits, taken singly, give the class of diameter of each of the crankpins - The set of seven digits, on the right, refers to the main journals and is preceded by a single digit: the single digit shows the status of the journals (1 = STD, 2 = -0.127), the other seven digits, taken singly, give the class of diameter of each of the Figure 26 89.970 to 89.979 89.980 to 89.989 89.990 to 90.000 CLASS CRANKPIN NOMINAL DIAMETER 99.970 to 99.979 99.980 to 99.989 99.990 to 100.000 CLASS MAIN JOURNALS NOMINAL DIAMETER SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS 21 |