Kubota SM-E4B Series Workshop Manual page 74

SM-E4B SERIES, WSM
FUEL SYSTEM
Injection Pump
[Z482/D602-E4B]
Injection Pump
[D722-E4B]
Injection Pump
[D782-E4B]
Injection Pump
[D902-E4B]
Pump Element
Delivery Valve
Injection Nozzle
Injection Nozzle Valve Seat
Item
Injection Timing
-1
(3600 min
Injection Timing
-1
(3200 min
Injection Timing
-1
(3200 min
Injection Timing
-1
(3600 min
Fuel Tightness
Fuel Tightness
Injection Pressure
Valve Seat
Tightness
1-S10
Factory Specification
0.3186 to 0.3447 rad
(rpm)) (18.25 to 19.75 °)
before T.D.C.
0.3360 to 0.3621 rad
(rpm)) (19.25 to 20.75 °)
before T.D.C.
0.2837 to 0.3097 rad
(rpm)) (16.25 to 17.75 °)
before T.D.C.
0.3186 to 0.3447 rad
(rpm)) (18.25 to 19.75 °)
before T.D.C.
–
10 seconds
13.73 → 12.75 MPa
140.0 → 130.0 kgf/cm
1991 → 1849 psi
13.73 to 14.70 MPa
140.0 to 150.0 kgf/cm
1992 to 2133 psi
When the pressure is
12.75 MPa
(130.0 kgf/cm
1849 psi), the valve seat
must be fuel tightness
ENGINE
Allowable Limit
–
–
–
–
13.73 MPa
2
140.0 kgf/cm
1991 psi
5 seconds
13.73 → 12.75 MPa
2
140.0 →
2
130.0 kgf/cm
1991 → 1849 psi
–
2
–
2
,
KiSC issued 01, 2013 A