PUMP GP-GEAR 4448546 - Caterpillar

Illustration 1 g02798863Note: If you replace a connecting rod, make sure that you do not combine fractured connecting rods with machined connecting rods. Refer to Special Instruction, REHS3801, "Combining Machined Connecting Rods and Fractured Connecting Rods on C13 Engines" for more instruction. (A) Dimensions for the piston pin Bore in the connecting rod for the piston pin bearing ... 57.810 0.013 mm (2.2759 0.0005 inch)Bore in the bearing for the piston pin ... 53.205 0.008 mm (2.0947 0.0003 inch)Diameter of the piston pin ... 53.155 0.005 mm (2.0927 0.0002 inch) (B) Location of the bearing joint from the horizontal centerline of the pin bore ... 12.5 5 degreesNote: The connecting rod must be heated for the installation of the piston pin bearing. Do not use a torch. (C) The connecting rod may be heated from 175 °C to 260 °C (347 °F to 500 °F) for the installation of the piston pin bearing. Maximum distance for heating the connecting rod ... 88 mm (3.5 inch) (D) Distance between the center of the bearings ... 239 mm (9.4 inch) (E) Bore in the connecting rod for the crankshaft bearing ... 93.800 0.013 mm (3.6929 0.0005 inch)