Cub Cadet 8404 User Manual
Page 87

ENGINE SYSTEM
2-65
D615-W02 May-2003
615W2D8A
(B) Fuel tightness of needle valve seat tightness
1. Set the injection nozzle to the nozzle tester.
2. Apply a pressure 130 kgf/cm² (12.75 MPa, 1849 psi).
After keeping the nozzle under this pressure for 10
seconds. Check to see if fuel leaks from the nozzle.
3. If the fuel should leak, replace the nozzle.
b. Injection nozzle
Fuel
injection
pressure
Factory
spec.
13.73 ~ 14.71 MPa
140 ~ 150 kgf/cm²
1991 ~ 2134 psi
(1) Adjustment Washer
•
Never contact with spraying diesel fuel
under pressure, pressure, which can
have sufficient force to penetrate the
skin, causing serious personal injury.
•
Be sure nobody is in direction of the
spray.
CAUTION
(A) Fuel 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-
cations, adjust with the adjustment washer (1) in-
side the nozzle holder.
(Reference)
•
Pressure variation with 0.1 mm (0.004 in.) difference
of adjusting washer thickness is approx. 10 kgf/cm².
615W2D9A