Product Support Program For Replacing The Brake Discs And Plates On Certain 953B, 953C, 963B, 963C And 973 Track-Type Loaders Caterpillar

NOTE: This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS5769" as the Part number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

Termination Date

Problem

The brake discs and plates need to be replaced on certain 953B, 953C, 963B, 963C and 973 Track Type Loaders. The brake plate internal spline teeth may wear prematurely, resulting in brake system damage and loss of parking brake capacity.

Affected Product
Model & Identification Number

953B (5MK1-Up)

953C (2ZN1-2981)

963B (9BL1-Up)

963C (2DS1-624)

973 (86G1-Up)

Parts Needed

Action Required

For 953C and 963C: The repair is made from the inside of the machine and requires the track motor to be removed.

For 953B, 963B and 973: The repair is made from the outside of the machine and require that the final drive and sprocket to be removed.

Refer to the 'Power Train Disassembly and Assembly Service Manual', Track Brake sections, for the machine that is being serviced. Replace the parking brake plates and discs with the new parts.

Service Claim Allowances

Parts Disposition

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.