BEARING-SLV-YM 4536509 - Caterpillar

Modification Procedure For Earlier Tractor Case And Frame
1. Bore the existing C-frame hinge pin bearing holes to 99.920 0.038 mm (3.9339 .0015"). See Illustration 1.
Illustration 1. Location of C-frame hinge pin holes in tractor case and frame assembly.2. Install two new 8W4523 Bearings in the enlarged hinge pin bearing holes in the tractor case and frame assembly.Modification Procedure For Earlier C-Frames
The components required for the C-frame modification are listed in the chart.
1. Remove the former brackets from the ends of the C-frame.2. Install new brackets (5) on the ends of the C-frame. See Illustration 2. Dimension (A) is 1443.5 5.0 mm (56.83 .20") for standard tractors and 2034.5 5.0 mm (80.10 .20") for LGP tractors.
Illustration 2. Location to install new brackets (5) on the ends of the C-frame.3. After the new 8W4523 Bearings have been pressed into the case and frame assembly, install the C-frame on the case and frame assembly with the new components. See Illustration 3 for the location of the new components.
Illustration 3. Location of 6Y4913 Pin (1), 3B8489 Fitting (2), 6J7500 Retainer (3), 7X0379 Bolt (4), and 8D4336 Washer (6).