Section I - Introduction General Repair Instructions N14 Page i-3 General Repair Instructions This engine incorporates the latest diesel technology; yet, it is designed to be repaired using normal repair practices performed to quality standards. Cummins Engine Company, Inc. does not recommend or authorize any modifications or repairs to engines or components except for those detailed in Cummins Service Information. In particular, un- authorized repair to safety-related components can cause personal injury. Below is a partial listing of components classified as safety-related:
Air Compressor Air Controls Air Shutoff Assemblies Balance Weights Cooling Fan Fan Hub Assembly Fan Mounting Bracket(s) Fan Mounting Capscrews Fan Hub Spindle Flywheel Flywheel Crankshaft Adapter Flywheel Mounting Capscrews Fuel Shutoff Assemblies Fuel Supply Tubes Lifting Brackets Throttle Controls Turbocharger Compressor Casing Turbocharger Oil Drain Line(s) Turbocharger Oil Supply Line(s) Turbocharger Turbine Casing Vibration Damper Mounting Capscrews Follow All Safety Instructions Noted in the Procedures. - Follow the manufacturer’s recommendations for cleaning solvents and other substances used during the repair of the engine. Always use good safety practices with tools and equipment.
Provide A Clean Environment and Follow the Cleaning Instructions Specified in the Procedures - The engine and its components must be kept clean during any repair. Contamination of the engine and components will cause premature wear. Perform the Inspections Specified in the Procedures. - The inspections will result in a minimal number of parts requiring replacement. The cost of the rebuild will be reduced more than the cost of the additional inspection time.
Replace all Components or Assemblies Which are Damaged or Worn Beyond the Specifications Use Genuine Cummins New or ReCon W Service Parts and Assemblies - The assembly instructions have been written to reuse as many components and assemblies as possible. When it is necessary to replace a component or assembly, the procedure is based on the use of new Cummins or Cummins ReCon W components. All of the repair services described in this manual are available from all Cummins Distributors and most Dealer locations. Complete troubleshooting and repair instructions are available in the Troubleshooting and Repair Manual which can be ordered or purchased from a Cummins Authorized Repair Location.
Refer to Section L, Literature, for ordering instructions. Follow The Specified Disassembly and Assembly Procedures to Avoid Damage to the Components.