PISTON & ROD GP 1376391 - Caterpillar

Illustration 1 g00863721
(A) Stick cylinder (B) Bucket cylinder (C) Boom (D) Bucket control linkage (E) BucketNote: All bores must be free of paint. Coat all bores for pins with lubricant.Note: Make sure that the bearings are installed in the bore so that the identification numbers of the bearings are facing outward. (1) 4I-4809 Pin Assembly Diameter after plating ... 79.850 0.025 mm (3.1437 0.0010 inch) Minimum thickness for plating ... 0.005 mm (0.0002 inch) Bore diameter for pin ... 80.037 0.037 mm (3.1511 0.0015 inch) (2) Use the necessary shims to adjust the lateral clearance. Two 166-1486 Shims ... 2.00 0.15 mm (0.079 0.006 inch) (3) 4I-4620 Pin Assembly Diameter after plating ... 69.850 0.025 mm (2.7500 0.0010 inch) Minimum thickness for plating ... 0.005 mm (0.0002 inch) Bore diameter for pin ... 70.037 0.037 mm (2.7574 0.0015 inch) (4) Two 163-3744 Sleeve Bearings Outside diameter ... 106.142 0.008 mm (4.1788 0.0003 inch) Inside diameter ... 90.280 0.020 mm (3.5543 0.0008 inch) Installation depth for the bearing in the bearing bore ... 9.5 0.8 mm (0.37 0.03 inch) (5) Two 163-3749 Sleeve Bearings Outside diameter ... 85.160 0.013 mm (3.3527 0.0005 inch) Inside diameter ... 70.267 0.037 mm (2.7664 0.0015 inch) Installation depth for the bearing in the bearing bore ... 7.5 0.8 mm (0.30 0.03 inch) (6) Two 129-7768 Sleeve Bearings Outside diameter ... 95.180 0.013 mm (3.7472 0.0005 inch) Inside diameter ... 80.293 0.043 mm (3.1611 0.0017 inch) Installation depth for the bearing in the bearing bore ... 9.5 0.8 mm (0.37 0.03 inch) (7) Lubricate the sealing lip slightly with the lubricant that is being sealed. Install the dust seal so that the lip faces to the outside. Refer to the detail. Install the seal so that the seal does not extend beyond the face of the boss.