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The tolerances allowed on the engine shaft pins are: - ovality = 0.007 mm - taper 0.012 mm - main journal misalignment 0.10 mm - crankpin misalignment ± 0.025 mm - tolerance on the distances between the axis of the crankshaft and the outside of each crankpin ± 0.10 mm Figure 23 Figure 24 Figure 25 Detail of couplings of central main journal. Detail of couplings of crankpin. Detail of couplings of rear — thrust main journal. Checking main journal alignment LIMIT POSITION LIMIT POSITION NORMAL POSITION MAIN JOURNAL CRANKPIN Diagram for checking the flywheel mating surface is orthogonal - with the dial gauge at B no change greater than 0.04 mm must be measured on the dial gauge; - with the dial gauge at A no change greater than 0.03 mm must be measured. Figure 26 Figure 27 Figure 28 B A 0.025 0.025 83496 8296 83495 83494 8297 83493 18 SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS VECTOR 8 ENGINES Base - April 2006 Print P2D32V001E |