Crankshaft, Main Bearings and Flywheel/Specifications CTM3274 (01JUL99) 15-5 Saran Liter Engines 060799 PN=102 SPECIFICATIONS - CONTINUED DIMENSIONS OF NEW PARTS WEAR TOLERANCE Crankshaft conrod OD (Std.) • 3029, 4039, 6059 engines . . . . . . . . . . 69.799—69.825 mm (2.748—2.749 in.) • 4045, 6068 engines . . . . . . . . . . . . . . . 77.798—77.824 mm (3.063—3.064 in.) • Taper . . . . . . . . . . . . . . . . . . . . . . . . . 0.013 mm (0.0005 in.) 0.03 mm (0.0012 in.) • Out-of-roundness . . . . . . . . . . . . . . . . . 0.013 mm (0.0005 in.) 0.075 mm (0.003 in.) Crankshaft OD for front pulley . . . . . . . . . . 37.988—38.014 mm (1.4956—1.4966 in.) Specifications for grinding purposes:
• Crankshaft fillet radii — on main journals (all engines) . . . . . . 3.7—4.0 mm (0.146—0.156 in.) — on rod journals (3029,4039,6059) . . . 4.2—4.4 mm (0.165—0.175 in.) (4045, 6068 engines) . . . . . . . . . . . 3.7—4.0 mm (0.146—0.156 in.) • Grinding surface finish (C.L.A.*) — Main and connecting rod journals . . . 0.2 micron (8 micro-in.) — Thrust faces . . . . . . . . . . . . . . . . . 0.4 micron (16 micro-in.) * C.L.A. (Center Line Average) corresponds to a measure of surface texture. CD,3274,G15,30 -19-01MAR92 15 5