wsm BX1800 Workshop Manual page 90

BX1800 · BX2200, WSM
FUEL SYSTEM
Injection Pump
Pump Element
Delivery Valve
Fuel Injection Nozzle
Fuel Injection Nozzle Valve Seat
Item
Injection Timing
Fuel Tightness
Fuel Tightness
Injection Pressure
Valve Seat
Tightness
1-S14
Factory Specification
0.35 to 0.38 rad.
20 to 22 °
before T.D.C.
–
10 seconds or more for
pressure falling
from 14.7 to 13.7 MPa
2
from 150 to 140 kgf/cm
from 2133 to 1990 psi
13.71 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),
the valve seat must be
fuel tightness.
ENGINE
Allowable Limit
–
14.7 MPa
2
150 kgf/cm
2133 psi
5 seconds for
pressure falling
from 14.7 to
13.7 MPa
from 150 to
2
140 kgf/cm
from 2133 to
1990 psi
–
–
W10139730
KiSC issued 07, 2006 A