HOUSING AS 1256963 - Caterpillar

Illustration 1 g00768513
(1) Torque for grease fitting ... 9.3 4.9 N m (82.31 43.37 lb in) (2) Torque for locknut ... 4780 240 N m (3526 177 lb ft) (3) Lubricate the inside diameter and outside diameter with clean grease. (4) Install the seal ring with the slit toward the piston. (5) Rod assembly Diameter of rod ... 85.0 mm (3.35 inch) Minimum thickness for plating ... 0.03 mm (0.001 inch) (6) Bore of cylinder ... 120.0 mm (4.72 inch) (7) Torque for 12 bolts ... 267 40 N m (197 30 lb ft) (8) Bore of head ... 85.0 mm (3.35 inch)Note: Make sure that the bearings are installed in the bore so that the identification numbers of the bearings are facing outward. (9) 163-3753 Sleeve Bearing Outside diameter ... 95.102 0.011 mm (3.7442 0.0004 inch) Inside diameter ... 80.12 0.02 mm (3.154 0.001 inch) Install the bearing in the bearing bore. ... centered (10) After tightening the setscrew (10) , stake the setscrew in two places. Torque for setscrew ... 57.0 10.0 N m (42.04 7.38 lb ft)Note: Make sure that the bearings are installed in the bore so that the identification numbers of the bearings are facing outward. (11) 163-3746 Sleeve Bearing Outside diameter ... 95.102 0.011 mm (3.7442 0.0004 inch) Inside diameter ... 80.12 0.02 mm (3.154 0.001 inch) Install the bearing in the bearing bore. ... centered (12) Install the seal in the bearing bore until dimension (A) is 1.00 0.50 mm (0.039 0.020 inch). Quantity ... 2 (13) Install the seal in the bearing bore until dimension (B) is 1.00 0.50 mm (0.039 0.020 inch). Quantity ... 2