5.4
FUEL
SYSTEM
92.4mm STROKE
SERIES
WSM,0109A
I
A109F021
4
FUEL
SYSTEM
CHECKING AND ADJUSTING
[I]
INJECTION
PUMP
C112F090
(1)
Timing
Mark
(2) Projection
V1903, V2203, F2803)
0.436
2
0
035
rad
(25"
5
2')
~ ~~
~-
~~
(3)
Stop
Lever
in
Free Position
I
~0185OF10400
(4) 2-holes
:
0.20
mm
(5) I-hole
:
0.25
mm
(6)
Without hole
:
0.30
mm
Injection
Ti
mi ng
1.
Remove the injection pipes.
2. Set the speed control lever to maximum fuel
W
NOTE
The
F2803, V2203
and
VI903
pumps have
a
displacement angle. In adjustin? the injection
timing, pull
the
stop lever from
its
ree position by
0.436
f
0.035
rad.
(25'
f
2")
toward the stop
position.
3. Turn the flywheel counterclockwise (facing
the
flywheel) until the fuel
fills
up to the hole of the
delivery valve holder for 1st cylinder.
4. Turn the flywheel further and stop turning when
the fuel begins to flow over, to get the present
discharge position.
injection timin
.
indicating every 0.087 rad.
(5")
of crank angle from
0.175 rad.
(10")
to 0.436 rad. (25") before mark
-
5. (The flywhee
7
has mark 1TC and four lines
1TC) Calculate the angle which the rojection of
from specified injection timing, add or remove the
shim to adjust.
(Injection Timing)
D1403
/
D1703
V1903
/
V2203
:
F2803
:
0.314to 0.349 rad. (18" to 20") B.T.D.C.
NOTE
(Engine
serial
number
:
D1403-12211, D1703-4253,
VI 903-1 562, V2203-60896, F2803-I05567
or lower)
0
Shims are available in thickness of
0.15
mm,
0.30
mm. Combine these shims for ad'ustments.
Addition or reduction of shim
10.15
mm,
0.0059
in.)
dela
s
or advances the injection timing by
approx.
J.
026
rad
(1.5').
0
After ad'ustin the injection timing, apply liquid-
both sides
of
the injection pump
s
im before
reassembling.
the window points out.
If
the calcu
P
ation differs
0.14
to
0.27
rad.
(1
7" to 19") B.T.D.C.
%
type gas
ci!
et (T ree Bond
1215
or
its
e
uivalent) to
require
1
for assembling.
(Engine serial number
:
01403-12212, D1703-4254,
VI 903-1 563, V2203-60897, F2803-I05568
or hi her)
0
The
sealant
is
applied to both sides of
t
e
soft
metal asket shim. The
liquid
gasket
is
not
0
Shims are available
in
thickness of
0.20
mm,
0.25
mm and
0.30
mm. Combine these shims for
ad'ustments.
in.) delays or advances the injection timing by
approx.
0,0087
rad (0.5").
0
In
disassemblin and replacin be sure
to
use
the
thickness.
A
cl
dition or reduction
of
shim
(0.05
mm, 0.0020
same number
o
7
new gasket %ims
with
the same
5-1
os
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