CONNECTOR AS 1410838 - Caterpillar

Remove & Install Fuel Injection Line Adapters
Start By:a. remove valve coversb. remove fuel injection lines FLUID SPILLAGE CONTAINMENTCare must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to "Tools And Shop Product Guide", NENG2500, for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates. 1. Use Tool (A) to loosen the fuel injection line nut at the nozzle end. 2. Use Tool (B) to loosen the nut at the fuel injection line adapter end. Remove inner fuel injection lines (1). Install plugs in the fuel injection nozzles. 3. Remove the nut that holds the adapters to the cylinder head assembly. Remove fuel injection line adapters (2). The following steps are for installation of the fuel injection line adapters.4. Check the condition of the O-ring seal on fuel injection line adapter (2) for damage. Make a replacement if necessary.5. Lubricate the O-ring seal with clean engine oil. Install fuel injection line adapter (2). Tighten the retaining nut to a torque of 14 3 N m (10 2 lb ft).6. Check the condition of the O-ring seal on inner fuel line (1) for damage, and make a replacement if necessary. Install inner fuel line (1).7. Use Tooling (A) and (B) to tighten the inner fuel line nuts to a torque of 40 7 N m (30 5 lb ft).End By:a. install fuel injection linesb. install valve covers