ELBOW 2501416 - Caterpillar

Illustration 1 g00900933A new 210-6560 Ring is available for the front wheels. The new ring acts as an impact ring. The ring will prevent brake hub (A) from striking wheel (B) as the cooling oil pressure fluctuates. The new ring will help eliminate the generation of debris.Note: This procedure is not applicable to the extended life wheel station (XLWS) option.Use the following procedure to install the ring.
Access the brake hub. Refer to Disassembly and Assembly for the proper procedures.The following table shows the brake hub for respective sales model.
Table 1
Part Sales Model
136-7003 Brake Hub 793, 793B, 793C, and 793C XQ
245-6465 Brake Hub 793D
Illustration 2 g00900982
Modify brake hub by removing chamfer (C).
Illustration 3 g00900987
Modified brake hub
(D) 8.70 0.10 mm (0.343 0.004 inch)
Modify brake hub by removing chamfer (C). See Illustration 2 and Illustration 3. The surface of the brake hub must have a 3.5 µm surface texture.
Illustration 4 g00901075
Side view of 125-5938 Front Wheel
Illustration 5 g00901077
(F) 1.6 mm (0.06 inch) Radius
(G) 12 mm (0.47 inch) Radius
(H) 44.8 0.1 mm (1.76 0.004 inch)
Modify 125-5938 Front Wheel by deepening groove (E) by approximately 4 mm (0.16 inch). See Illustration 4 and Illustration 5.Note: The part number is stamped on the front of 210-6560 Ring. The rounded edge is on the back side of the ring.
Apply a light film of 1P-0808 Multipurpose Grease to the back of the ring. The grease will help hold the ring in position during assembly.
Install 210-6560 Ring into the wheel. The part number faces outward.
Assemble the front wheel. Refer to Disassembly and Assembly for the proper procedures.