Check Points Of Every 1500 Hours - Kubota WSM 05-E3B Series Workshop Manual

05-E3B, 05-E3BG, WSM

[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
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.
Fuel injection pressure Factory spec.
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
1849 psi) for 10 seconds.
3. If any fuel leak is found, replace the nozzle piece.
Valve seat tightness Factory spec.
G-22
G GENERAL
(b) Bad
W10411400
13.73 to 14.70 MPa
140.0 to 150.0 kgf/cm
1992 to 2133 psi
W10408820
No fuel leak at
12.75 MPa
2
130.0 kgf/cm
1849 psi
W10412730
KiSC issued 12, 2007 A
2
2
,