B3.9, B4.5, B5.9 Industrial General Repair Instructions Section i - Introduction Page i-9 Perform the inspections specified in the procedures Replace all components or assemblies which are damaged or worn beyond the specifications Use genuine Cummins new or ReCon® service parts and assemblies - The assembly instructions have been written to use again 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® components. All of the repair services described in this manual are available from all Cummins Distributors and most Dealer locations.
Follow the specified disassembly and assembly procedures to reduce the possibility of damage to the components Complete rebuild instructions are available in the service manual which can be ordered or purchased from a Cummins Authorized Repair Location. Refer to Section L — Service Literature for ordering instructions. Welding on a Vehicle with an Electronic Controlled Fuel System Disconnect both the positive (+) and negative (-) battery cables from the low voltage battery before welding on the vehicle. Attach the welder ground cable no more than 0.61 meters [2 feet] from the part being welded.
Do not connect the ground clamp of the welder to any of the sensors, wiring harness, electronic control units or the components. Direct welding of any electronic components must not be attempted. Sensors, wiring harness, and electronic control unit should be removed if nearby welding will expose these components to temperatures beyond normal operation. Additionally, all electronic control unit connectors must be disconnected CAUTION