307, 308, 309 and 310 EXCAVATOR Caterpillar


Bucket Linkage

Usage:

308 GG8


Illustration 1g03893063

Table 1
Specification for 457-2531 Bucket Linkage Gp 
Item  Qty  Part  Specification Description 
Coat all bores for pins with 5P-0960 Grease Cartridge. 
During assembly of the linkage group on machine, rotate the rod end of the bucket cylinder to position the grease fitting away from the stick. 
093-1432 Lip Type Seal  Install the dust seal so that the lip faces outside, as shown. Install lip type seals so that lip of the lip type seals do not extend beyond the face of the boss. 
319-3653 Pin  Diameter is 54.890 ± 0.023 mm (2.1610 ± 0.0009 inch)
8T-4244 Nut  Position the nut (4) to the distance of 2.0 ± 0.5 mm (0.08 ± 0.02 inch) past the end of the bolt. For locking, tighten the nut (3) against the nut (4).
Torque to 70 ± 15 N·m (52 ± 11 lb ft)
8T-4244 Nut 
As required, use shims in order to adjust the lateral clearance to a maximum of 1.0 mm (0.04 inch)
4 433-3898 Shim  Thickness is 1.0 mm (0.04 inch)
2 167-9888 Shim  Thickness is 2.0 mm (0.08 inch)
As required, use shims in order to adjust the lateral clearance to a maximum of 1.0 mm (0.04 inch)
4 433-3930 Shim  Thickness is 1.0 mm (0.04 inch)
319-3654 Pin  Diameter is 49.89 ± 0.02 mm (1.964 ± 0.001 inch)
296-9481 Pin  Diameter is 49.89 ± 0.02 mm (1.964 ± 0.001 inch)
296-9578 Lip Type Seal  Install the dust seal so that the lip faces outside, as shown. Install lip type seals so that lip of the lip type seals do not extend beyond the face of the boss. 
10  296-9438 Bushing  Bore before assembly is 50.200 ± 0.015 mm (1.9764 ± 0.0006 inch).
Installation depth is 9.5 ± 0.8 mm (0.37 ± 0.03 inch)

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