CAP-BEARING 4U8772 - Caterpillar

Illustration 1 g00110510
(A) Bucket cylinder. (B) Bucket linkage. (C) Bucket. (D) Stick cylinder. (E) Boom.Note: All bores must be free of paint. Coat all bores for pins with lubricant. (1) Lubricate the sealing lip slightly with the lubricant that is being sealed. (2) 137-2819 Sleeve Bearing : Quantity ... 2 Outside diameter ... 106.200 0.013 mm (4.1811 .0005 inch) Inside diameter ... 90.270 + 0.087 - 0.000 (3.5540 + .00342 - .0000) Install the bearing in the bearing bore. ... 9.5 0.8 mm (.37 .03 inch)Note: Assemble bearings with the groove to the inside of the boss. Assemble bearings with the groove at the rear ( 5°) of the bore. (3) Torque for two bolts ... 325 40 N m (240 30 lb ft) (4) Use the necessary shims to adjust the lateral clearance. Maximum clearance ... 1.0 mm (.04 inch) 133-2424 Shim thickness ... 0.5 mm (.02 inch) 093-0086 Shim thickness ... 1.0 mm (.04 inch) 7Y-2496 Shim thickness ... 1.6 mm (.06 inch) 093-0118 Shim thickness ... 2.0 mm (.08 inch) (5) 4I-4814 Pin Assembly : Diameter after plating ... 69.850 0.025 mm (2.7500 .0010 inch) Minimum thickness for plating ... 0.005 mm (.0002 inch) Bore diameter for pin ... 70.037 0.037 mm (2.7574 .0015 inch) (6) Use the necessary shims to adjust the lateral clearance. Maximum clearance ... 1.0 mm (.04 inch) 133-2425 Shim thickness ... 0.5 mm (.02 inch) 093-0083 Shim thickness ... 1.0 mm (.04 inch) 7Y-2498 Shim thickness ... 1.6 mm (.06 inch) 093-0115 Shim thickness ... 2.0 mm (.08 inch) (7) 4I-4809 Pin Assembly : Diameter after plating ... 79.085 0.025 mm (3.1136 .0010 inch) Minimum thickness for plating ... 0.005 mm (.0002 inch) Bore diameter for pin ... 80.037 0.037 mm (3.1511 .0015 inch) (8) 7Y-2395 Bearing : Quantity ... 2 Outside diameter ... 85.160 0.013 mm (3.3527 .0005 inch) Inside diameter ... 70.25 0.02 mm (2.766 .001 inch) Install the bearing in the bearing bore. ... 7.5 0.8 mm (.30 .03 inch) (9) 137-2919 Bearing : Quantity ... 2 Outside diameter ... 95.180 0.013 mm (3.7472 .0005 inch) Inside diameter ... 80.250 + 0.085 - 0.000 (3.1594 + .0033 - .0000) Install the bearing in the bearing bore. ... 7.5 0.8 mm (.30 .03 inch)Note: Assemble bearings with the groove to the inside of the boss. Assemble bearings with the groove at the top ( 5°) of the bore.