S.4
FUEL
SYSTEM
68
mm STROKE
SERIES
WSM, 01 160
E!
FUEL
SYSTEM
CHECKING AND ADJUSTING
[I]
INJECTION NOZZLE
CAUTION
Check the nozzle injection pressure and condition after confirming
that
there
is
nobody standing in the
direction the fume goes.
If
the fume from the nozzle directly contacts
the
human body,
cells
may be destoroyed and blood
poisoning may be caused.
Nozzle Spraying Condition
1.
Set
the injection nozzle to
a
nozzle tester, and
2.
If
the spraying condition
is
defective, replace the
[a]
Good
Ibl
Bad
check the nozzle spraying condition.
nozzle piece.
I
C019F038
I
Fuel Injection Pressure
1.
Set
the injection nozzle to
a
nozzle tester.
2.
Slowly move the tester handle to measure the
pressure
at
which fuel begins jetting out from the
nozzle.
3.
If
the measurement
is
not within the factory
specifications, replace the adjusting washer
(4)
in
the nozzle holder to adjust
it.
1
EO1
9F032
C095F145
13.73to 14.71 MPa
140
to
150 kgfkmz
1991 to2133 psi
Fuel injection
pressure
(Ref
e
rence)
m
Adjusting washer
is
provided every 0.025 mm
(0.00098 in.) of thickness from 0.900 mm (0.03543
in.) to 1.950 mm
(0.07677
in.). [Adjusting washer
assembly
:
Code
No.
15841-98101
J
(1) Fuel Overflow Pipe Nut (6) PushRod
(2) Plain Washer
(7)
Distance Piece
(3) Nozzle Holder
(8)
Nozzle Piece
(4)
Adjusting Washer
(9)
Nozzle Retaining Nut
(5)
Nozzle Spring
5-121
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