2
-58
Apr. 2007
DSC48
417W2C0A
417W2B9A
► INJECTION NOZZLE
• Never come in contact with sprayed diesel fuel under
pressure. It can penetrate your skin, causing serious
personal injury.
• Make sure nobody is in direction of the spray.
(1) Nozzle injection pressure
1. Set the injection nozzle to the nozzle tester.
2. Measure the injection pressure.
3. If the measurement is not within the factory specifi ca-
tions, adjust the pressure by removing the nozzle and
replacing the adjusting washer (1).
CAUTION
NOTE:
• Pressure variation within 0.1 mm difference of the
adjusting washer's thickness is approx. 10kgf/cm
2
.
(2) Fuel tightness of needle valve seat
1. Set the injection nozzle to the nozzle tester.
2. Apply 130 kgf/cm
2
of pressure for 10 seconds and
check if fuel leaks from the nozzle.
3. If the fuel leaks, replace the nozzle.
Factory spec. Allowable limit
228.5 ~ 239.0 kgf/cm
2
-