Kubota SM-E3B Series - Servicing; 2. Servicing Specifications (Continued)

S-9
SM-E3B SERIES WSM
DIESEL ENGINE
FUEL SYSTEM
W10139730
Item Factory Specification Allowable Limit
Injection Pump
[Z482/D722-E3B]
(Serial No. : below 7ZZ999)
(Serial No. : above 8A0001)
Injection Timing
(3600 min
-1
(rpm))
0.3491 to 0.3839 rad
(20.00 to 22.00°)
before T.D.C.
0.3535 to 0.3796 rad
(20.25 to 21.75°)
before T.D.C.
–
–
Injection Pump
[D782-E3B]
(Serial No. : below 7ZZ999)
(Serial No. : above 8A0001)
Injection Timing
(3200 min
-1
(rpm))
0.2793 to 0.3141 rad
(16.00 to 18.00°)
before T.D.C.
0.2837 to 0.3097 rad
(16.25 to 17.75°)
before T.D.C.
–
–
Injection Pump
[Z602/D902-E3B]
(Serial No. : below 7ZZ999)
(Serial No. : above 8A0001)
Injection Timing
(3600 min
-1
(rpm))
0.3317 to 0.3665 rad
(19.00 to 21.00°)
before T.D.C.
0.3360 to 0.3621 rad
(19.25 to 20.75°)
before T.D.C.
–
–
Pump Element Fuel Tightness – 13.73 MPa
140.0 kgf/cm
2
1991 psi
Delivery Valve Fuel Tightness 10 seconds
13.73 → 12.75 MPa
140.0 → 130.0 kgf/cm
2
1991 → 1849 psi
5 seconds
13.73 → 12.75 MPa
140.0 →
130.0 kgf/cm
2
1991 → 1849 psi
Injection Nozzle Injection Pressure 13.73 to 14.70 MPa
140.0 to 150.0 kgf/cm
2
1992 to 2133 psi
–
Injection Nozzle Valve Seat Valve Seat
Tightness
When the pressure is
12.75 MPa
(130.0 kgf/cm
2
, 1849
psi), the valve seat must
be fuel tightness.
–
KiSC issued 03, 2011 A