05-E2B, 05-E2BG, WSM G GENERAL [11] CHECK POINTS OF EVERY 1500 HOURS CAUTION Check the injection pressure and condition after confirming that there is nobody standing in the direction the fume goes. If the fume from the nozzle directly contacts the human body, cells may be destroyed and blood poisoning may be caused. Nozzle Spraying Condition 1. Set the injection nozzle to a nozzle tester, and check the nozzle spraying condition. 2. If the spraying condition is defective, replace the nozzle piece. (a) Good (b) Bad W10411400 Fuel Injection Pressure 1. Set the injection nozzle to a nozzle tester. 2.
Slowly move the tester handle to measure the pressure at which fuel begins jetting out from the nozzle. 3. If the measurement is not within the factory specifications, replace the adjusting washer in the nozzle holder to adjust it. W10408820 Valve Seat Tightness 1. Set the injection nozzle to a nozzle tester. 2. Raise the fuel pressure, and keep at 12.75 MPa (130 kgf/cm 2 , 1849 psi) for 10 seconds. 3. If any fuel leak is found, replace the nozzle piece. W10412730 G-20 KiSC issued 06, 2011 A Fuel injection pressure Factory spec. 13.73 to 14.71 MPa 140 to 150 kgf/cm2 1991 to 2134 psi Valve seat tightness Factory spec. No fuel leak at 12.75 MPa 130 kgf/cm2 1849 psi