This Service Bulletin addresses a change in the lubrication interval for Brake S-Cam tubes. Specifically, it applies to Freightliner trucks from model years 42 to 68, encompassing a wide range of models including FLA COE, FLB COE, FLD Conventional, Business Class, FLC 112 Conventional, Century Class Conventional, Argosy COE, Cargo, Columbia, Coronado, Business Class M2, Cascadia, and 108SD/114SD. The bulletin details the revised lubrication schedule for S-Cam tubes, aiming to ensure optimal brake performance and longevity. This information is crucial for technicians and fleet managers responsible for maintaining these vehicles, as it outlines the updated procedures to follow.

The "Brake S Cam Tube Lubrication Interval Change" refers to a service bulletin or technical update related to the lubrication interval for the S-Cam brake system on a wide range of Freightliner truck models. This update applies to numerous truck configurations, including the flagship COE models (FLA, FLB, and Argosy), conventional models like the FLD, FLC, Century Class, and Columbia, as well as the Coronado, Business Class M2, Cascadia, and the 108SD and 114SD models. The S-Cam brake system, a leading innovation in braking technology, features a dedicated lubrication system that ensures smooth and efficient operation of the brake components. This change in lubrication interval stems from a combination of factors including advancements in brake system technology, evolving operational demands, and a commitment to optimizing vehicle performance and longevity. The updated lubrication interval aims to provide a more robust and reliable braking system with reduced maintenance requirements. This change is likely informed by extensive testing and analysis of the S-Cam brake system under various operating conditions. Implementing this change is crucial to ensuring optimal performance, minimizing potential issues, and extending the service life of the brakes. By adhering to the updated lubrication interval, Freightliner truck owners can confidently operate their vehicles while mitigating the risk of premature brake wear and ensuring a high level of safety and reliability.