ENGINE AR-BASIC 0R3982 - Caterpillar

(1) Torque for bolt with lubricant on threads ... 1090 110 N m (800 80 lb.ft.)(2) Bore in a new cylinder ... 101.6 + 0.13 - 0.05 mm (4.000 + .005 - .002 in.)(3) Bore in a new head (Earlier) ... 50.87 0.03 mm (2.003 .001 in.)Bore in a new head (Later) ... 51.08 0.03 mm (2.011 .001 in.) Heads in later 7J9920 Hydraulic Cylinders have an internal 4T5613 Wear Ring which is not shown in the above illustration.Diameter of a new rod ... 50.75 0.04 mm (1.9980 .0015 in.)(4) Torque for crown with grease on threads ... 470 to 750 N m (350 to 550 lb.ft.)