Kubota M5040 Workshop Manual page 136

M5040, M6040, M7040, WSM
FUEL SYSTEM
Injection Timing
Pump Element
Delivery Valve
Fuel Injection Nozzle
Item
V3007-DI-E2
(M5040)
V3307-DI-E2
(M6040)
V3307-DI-E2-1
(M7040)
Fuel Tightness
Fuel Tightness
Injection Pressure
(1st stage)
Injection Pressure
(2nd stage)
Valve Seat
Tightness
1-S10
Factory Specification
0.035 to 0.070 rad
(2.0 to 4.0 °)
before T.D.C.
0.044 to 0.078 rad
(2.5 to 4.5 °)
before T.D.C.
0.061 to 0.096 rad
(3.5 to 5.5 °)
before T.D.C.
–
10 seconds
18.63 → 17.65 MPa
190 → 180 kgf/cm 2
2702 → 2560 psi
18.63 to 19.61 MPa
2
190 to 200 kgf/cm
2702 to 2845 psi
23.54 to 24.52 MPa
2
240 to 250 kgf/cm
3414 to 3556 psi
When the pressure is
16.67 MPa
2
(170 kgf/cm , 2418 psi),
the valve seat must be
fuel tightness.
ENGINE
Allowable Limit
–
18.63 MPa
2
190 kgf/cm
2702 psi
5 seconds
18.63 → 17.65 MPa
190 → 180 kgf/cm 2
2702 → 2560 psi
–
–
–
W10139730
KiSC issued 06, 2008 A