🏷️ Basic Information Identification Make: Freightliner Manual Title: Brake S-Cam Tube Lubrication Interval Change Product Code: 42-68 Manual Type: Service Bulletin Codes Bulletin Code: FLA COE, FLB COE, FLD Conventional, Business Class, FLC 112 Conventional, Century Class Conventional, Argosy COE, Cargo, Columbia, Coronado, Business Class M2, Cascadia, 108SD/114SD 👋 Introduction Market Position Brand Focus: Commercial Trucks and Vocational Vehicles Target Audience: Fleet maintenance managers, dealership service departments, independent repair shops specializing in heavy-duty trucks. Competitive Analysis Service Information Provider: Freightliner Trucks (Daimler Truck North America) Key Features Information Type: Critical maintenance update for fleet operators and service centers. Purpose: Ensures optimal performance and longevity of brake systems by standardizing S-Cam lubrication intervals. 📋 Manual Details Coverage Areas Vehicle Models Covered: FLA COE, FLB COE, FLD Conventional, Business Class, FLC 112 Conventional, Century Class Conventional, Argosy COE, Cargo, Columbia, Coronado, Business Class M2, Cascadia, 108SD/114SD Page Count Estimated Pages: 2-5 Manual Type Type: Technical Service Bulletin (TSB) Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Primary System: Braking System Specific Component: S-Cam Tubes Procedures Included Procedure Type: Lubrication Interval Change Task Scope: Update or clarification of recommended lubrication intervals for S-Cam tubes. Inspection Guidelines: Likely includes visual inspection points for S-cam tubes and related brake components. Procedure Name: S-Cam Tube Lubrication Procedure Update Technical Depth Depth: Specific guidance for technicians on maintenance schedule adjustments. Applicability: Direct impact on fleet maintenance planning and execution. Diagnostic Information: May include diagnostic tips related to S-cam wear or malfunction as a consequence of improper lubrication. Technical Bulletin Purpose: This bulletin serves as an official directive from the manufacturer to alter or confirm existing maintenance procedures. 📊 Manual Specifications File Format Digital Format: Portable Document Format (PDF) Searchability: PDF is typically searchable for keywords, aiding technicians in finding specific information quickly. Print Quality Quality: High-resolution, suitable for printing. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Family Notes: This service bulletin applies to a wide range of Freightliner models, which commonly utilize various Cummins ISX, Detroit Diesel Series 60, DD13, DD15, and Mercedes-Benz OM904/OM906 engines. Specific engine details would depend on the individual vehicle configuration. Performance Performance Impact: Proper lubrication of S-cam tubes contributes to smooth brake application, reduced wear, and consistent braking performance. Fuel System Fuel System Notes: Not directly related to the engine fuel system, but impacts overall vehicle operational readiness. Engine Notes Engine Variations: The broad range of models implies coverage for various diesel engine displacements, typically ranging from 7.2L to 15.0L or higher depending on the specific Freightliner application. 🔧 Transmission Standard Transmission Types: Applies to vehicles equipped with various manual (e.g., Eaton Fuller) and automatic transmissions (e.g., Allison). Optional Optional Features: The S-cam lubrication is a critical component of the foundation brake system, irrespective of transmission type. Features Transmission Fluid Notes: No direct impact on transmission fluid specifications. 📐 Dimensions Exterior Vehicle Class: Class 7 and Class 8 Heavy-Duty Trucks, Vocational Trucks, and Specialty Vehicles. Interior Cab Configurations: Conventional Cabs, Cab-Over-Engine (COE) Cabs. Cargo Cargo Capacity Notes: Not directly related to cargo capacity but essential for maintaining safe braking of loaded vehicles. Weights Gross Vehicle Weight Rating Notes: Applicable to vehicles with GVWRs typically exceeding 26,000 lbs. Weight Class: Heavy-duty applications, including tractors, dump trucks, construction vehicles, and severe service trucks. 🛡️ Safety Features Ratings Safety Standard Compliance: Ensures compliance with FMVSS (Federal Motor Vehicle Safety Standards) related to braking systems. Active Features Active Safety Impact: Well-maintained brake systems are fundamental to active safety features like ABS and stability control. ABS Esp Functionality: Correct functioning of the foundation brake system, including properly lubricated S-cams, is essential for the reliable operation of ABS (Anti-lock Braking System) and ESP (Electronic Stability Program). Passive Features Passive Safety Impact: Proper brake function is a passive safety feature that prevents accidents. 💡 Technology Features Infotainment Infotainment Notes: No direct relevance to infotainment systems. Driver Assistance Driver Assistance Impact: Reliable brake system function is paramount for the effective operation of advanced driver-assistance systems (ADAS) such as automatic emergency braking (AEB) and stability control. Connectivity Connectivity Notes: No direct relevance to vehicle connectivity systems. 🔧 Maintenance Service Intervals Lubrication Interval Change: This bulletin specifically modifies the previously recommended lubrication interval for S-cam tubes. The new interval will be detailed within the document. Lubrication Frequency: The bulletin's core purpose is to provide a revised, potentially extended or condensed, service interval for S-cam tube lubrication. Fluid Specifications Recommended Lubricant: Likely specifies a heavy-duty chassis grease or brake lubricant meeting Freightliner’s specifications. Common specifications include NLGI #2 grade, EP (Extreme Pressure) additives, and resistance to water washout. Exact product recommendations would be in the bulletin. Known Issues Common Brake Issues: Under-lubrication or improper lubrication of S-cam tubes can lead to brake drag, inconsistent braking, premature wear...