Camshaft, Balancer Shafts and Timing Gear Train/Auxiliary drive specifications (37 kW) CTM3274 (01JUL99) 20-7 Saran Liter Engines 060799 PN=130 AUXILIARY GEAR DRIVE SPECIFICATIONS (37 KW) DIMENSIONS OF NEW PARTS WEAR LIMIT Drive ratio (output gear / crankshaft gear) . . . . . . . . . 0.97 : 1 Crankshaft O.D. for collet . . . . . . . . . . . . . 37.988—38.014 mm (1.4956—1.4966 in.) Collet I.D. . . . . . . . . . . . . . . . . . . . . . . . 38.013—38.063 mm (1.496—1.498 in.) Drive gear (crankshaft, 34-tooth): • I.D. at front face . . . . . . . . . . . . . . . . . . 46.192 mm (1.818 in.) I.D. of idler gear (49-tooth) . . . . . . . . . . . . 39.936—39.962 mm (1.572—1.573 in.) O.D.
of idler shaft for gear . . . . . . . . . . . . 39.987—40.013 mm (1.574—1.575 in.) O.D. of idler shaft for bearings . . . . . . . . . 34.970—34.986 mm (1.376—1.377 in.) O.D. of output gear (35-tooth) for bearings . . . . . . . . . . . . . . . . . . . . . . 34.970—34.986 mm (1.376—1.377 in.) Machined bore in gear covers: • For idler shaft bearing . . . . . . . . . . . . . . 79.92—79.96 mm (3.146—3.148 in.) • For output shaft bearing . . . . . . . . . . . . . 71.93—71.97 mm (2.832—2.833 in.) Idler shaft bearing: • O.D. . . . . . . . . . . . . . . . . . . . . . . . . . . 79.987—80.000 mm (3.149—3.150 in.) • I.D. . . . . . . . . . . . . . . . . . . . . . . . . . . .
34.987—35.000 mm (1.377—1.378 in.) Output shaft bearing: • O.D. . . . . . . . . . . . . . . . . . . . . . . . . . . 71.987—72.000 mm (2.834—2.835 in.) • I.D. . . . . . . . . . . . . . . . . . . . . . . . . . . . 34.987—35.000 mm (1.377—1.378 in.) Dowel pin protrusion above front face of timing gear cover . . . . . . . . . . . . . . . . . . 11.0—12.0 mm (0.430—0.470 in.) Set screws in unused threaded holes . . . . . 0—1.0 mm (0—0.004 in.) recess from flange surface CD,3274,G20,3 -19-01FEB94 20 7