1999 1200 L4-46L DSL Turbo Fuel Pump Removal - Service and Repair
Air tightness test
1. Plug the supply pump discharge port using the plug (029111-4050).
2. Apply 196 kPa {2 kgf/cm2, 28 psi} air pressure to the suction port.
3. Immerse the supply pump in a container of fuel oil, and check for air leakage. There must be no air leakage.