John Deere 3029, 4039, 4045, 6059, 6068 — CAMSHAFT BORE MEASURE

Cyl. Block, Liners, Pistons & Rods/Cylinder block CHECKING PISTON COOLING JETS Check each piston cooling jet (1) for plugging or damage. NOTE: A cooling jet failure could cause damage to pistons, piston pins, rod pin bushings and liners. CD5782 -UN-23FEB89 Reinstall jets and tighten to 10 N·m (7.5 lb-ft). CD,3274,G10,24 -19-18FEB92 CAMSHAFT BORE MEASURE CAMSHAFT BORE SPECIFICATIONS Camshaft bore without bushing . . . . . . . . . . . 55.98—56.01 mm (2.204—2.205 in.) Camshaft bore with bushing (No. 1 only) • cyl. block bore for bushing installation . . . . . . . . . . . . . . . . 59.96—59.99 mm (2.361—2.362 in.) • bushing ID (installed) . . . . . . . . . . . . . . .

55.96—55.99 mm (2.203—2.204 in.) CD7107 -UN-07MAR95 If only diameter of No.1 camshaft bore with bushing is more than specified, replace the bushing. In other cases, install a new cylinder block. CD,3274,G10,36 -19-18FEB92 CTM3274 (01JUL99) 10-13 Saran Liter Engines 060799 PN=74 CAM FOLLOWER BORE MEASURE CAM FOLLOWER BORE SPECIFICATIONS Cam follower bore ID . . . . . . . . . . . . . . . . . . 31.70—31.75 mm (1.248—1.250 in.) -UN-01NOV88 Maximum clearance . . . . . . . . . . . . . . . . 0.13 mm (0.005 in.) If diameter is more than specified, install a new cylinder block. Service bushings are not available through service T81656 parts. CD,3274,G10,35 -19-18FEB92 10 13