Kubota D1503-M-DI Workshop Manual page 36

03-M-DI Series, WSM
COOLING SYSTEM
Fan Belt
Thermostat
Radiator
Radiator Cap
FUEL SYSTEM
Injection Pump
Injection Nozzle
Injection Nozzle Valve Seat
Item
Tension
Valve Opening
Temperature
(At Beginning)
Valve Opening
Temperature
(Opened
Completely)
Water Tightness
Pressure Falling
Time
D1503-M-DI Injection Timing
D1503-M-DI-T
D1703-M-DI
D1803-M-DI
V2203-M-DI
V2403-M-DI
Injection
Pressure
1st. stage
Valve Seat
Tightness
Factory Specification
7.0 to 9.0 mm (0.28 to
0.35 in.) deflection at 98
N (10 kgf, 22 lbs) of
force
69.5 to 72.5 °C
157.1 to 162.5 °F
85 °C
185 °F
No leaks at
137 kPa
1.4 kgf/cm
20 psi
10 seconds or more for
pressure falling
from 88 to 59 kPa
from 0.9 to 0.6 kgf/cm
from 13 to 9 psi
0.18 to 0.22 rad (10.5 to
12.5 °) before T.D.C.
0.16 to 0.19 rad (9.0 to
11.0 °) before T.D.C.
0.17 to 0.21 rad (10.0 to
12.0 °) before T.D.C.
18.6 to 20.1 MPa
190 to 205 kgf/cm
2702 to 2916 psi
When the pressure is
16.67 MPa
(170 kgf/cm
the valve seat must be
fuel tightness.
S-15
DIESEL ENGINE
Allowable Limit
–
–
–
–
2
–
2
–
–
2
–
2
, 2418 psi),
KiSC issued 10, 2009 A
W1013874
W1013973