FRAME AS 6T3780 - Caterpillar

Salvage Procedure
Thoroughly clean the axle bearing of all debris and discoloration with a solvent. A 8T-7765 Surface Reconditioning Pad may be used to hand polish the part lightly.
Illustration 14 g02343660
Typical Example - Bearing is installed in the lathe.
Locate the axle bearing in the lathe and indicate (zero) the unworn face to within 0.05 mm (0.002 inch) as shown in Illustration 14.Note: When locating the bearing in the chuck, care must be taken to use brass or aluminum shims between the inside bore and the chuck jaws to prevent damage to the bore.
Illustration 15 g02343756
Typical Example - Machine the damaged thrust surface in order to remove any debris damage and denting.
Machine the damaged face to provide complete surface clean-up. Do not remove more than 0.25 to 0.51 mm (0.010 to 0.020 inch) of material from the new specification given in Table 3. See Illustration 15. The machined surface should be given a 1.6 microns (63 microinches) surface finish.Note: If the gouges are deeper than the specified limits and cover more than 10% of the face, the bearing is not salvageable.
Illustration 16 g02343759
Typical Example - ID and OD that have been de-burred.
Use a deburr tool to remove any burrs on the Inner Diameter (ID) and the Outer Diameter (OD).
Remove the axle bearing from the lathe. Clean the axle bearing in accordance with the section titled "Cleaning Recommendations" in this manual.
Reassemble the final drive. Refer to the appropriate Disassembly and Assembly manual.