Kubota B1830 Workshop Manual page 110

B1830,B2230,B2530,B3030, WSM
FUEL SYSTEM
Injection Pump
Pump Element
Delivery Valve
Injection Nozzle
Injection Nozzle Valve Seat
Item
Injection Timing
Fuel Tightness
Fuel Tightness
Injection Pressure
Valve Seat
Tightness
1-S9
Factory Specification
0.27 to 0.31 rad
(16 to 18 °)
before T.D.C.
–
10 seconds or more for
pressure falling
from
13.73 → 12.75 MPa
2
from 140 → 130 kgf/cm
from 1991 → 1849 psi
13.73 to 14.71 MPa
2
140 to 150 kgf/cm
1990 to 2130 psi
When the pressure is
12.75 MPa
2
(130 kgf/cm , 1849 psi)
ENGINE
Allowable Limit
–
13.73 MPa
2
140 kgf/cm
1991 psi
5 seconds or more
for pressure falling
from
13.73 → 12.75 MPa
from
2
140 → 130 kgf/cm
from
1991 → 1849 psi
–
–
9Y1210003ENS0002US0
KiSC issued 05, 2012 A