ENGINE AR-PRIMARY 3452884 - Caterpillar

Illustration 1 g00879888
(1) Torque for the six bolts ... 477 50 N m (351.5 37.0 lb ft) (2) Rod Outside diameter of the rod (over chrome) ... 139.650 0.038 mm (5.4980 0.0015 inch) (3) Cylinder 190.5 mm (7.5000 inch) Inside diameter of the cylinder ... 190.50 + 0.13 mm - 0.05 mm (7.500 + 0.005 inch - 0.002 inch) Outside diameter of the cylinder (over chrome) ... 215.850 0.038 mm (8.4980 0.0015 inch) Outside diameter of the cylinder end (two places) ... 240.00 0.13 mm (9.449 0.005 inch) (4) Cylinder Inside diameter of the cylinder ... 241.30 + 0.13 mm - 0.05 mm (9.500 + 0.005 inch - 0.002 inch) (5) Lubricate the sealing lip with a small amount of the lubricant that is being sealed. (6) Piston Outside diameter of piston (two places) ... 190.00 0.03 mm (7.480 0.001 inch) (7) Head Inside diameter of head ... 215.98 0.03 mm (8.503 0.001 inch)Note: Before you assemble internal head (8), apply 7M-7456 Compound to the internal threads. (8) Head Torque for internal head ... 600 130 N m (443 96 lb ft) Inside diameter of the internal head (three places) ... 140.20 0.05 mm (5.520 0.002 inch)