TUBE AS 2721108 - Caterpillar

(1) Torque for bolt with lubricant on threads ... 1080 108 N m (800 80 lb. ft.)(2) Bore in a new cylinder ... 101.60 +0.13 or -0.05 mm (4.000 +.005 or -.002 in.)(3) Torque for crown with grease on threads ... 475 to 745 N m (350 to 550 lb. ft.)(4) Torque for screw to keep crown tight ... 34 4 N m (25 3 lb. ft.)(5) Bore in a new head ... 50.88 0.03 mm (2.003 .001 in.) Diameter of a new rod ... 50.750 0.038 mm (1.9980 .0015 in.)(6) 3J6572 Shims ... 0.51 mm (.020 in.) Install minimum shims and tighten the bolts on the cap until the rod is solid (can not be turned by hand). Loosen bolts and install shims until the rod can be turned by hand.
There must be no free play in the connection.