1.
Install
No.
12 timing button in new injection
pump. Remove delivery valve cap nut and holder,
take out spring and replace valve holder and cap
nut (Figure
49 and
50).
CAP NUT
GASKET
I
CAP NUT
FIGURE
49.
LATE
MODEL DELIVERY VALVE ASSEMBLY
VALVE SPRING
GASKET
CAP SCREW
FIGURE
50.
EARLY MODEL DELIVERY VALVE HOLDER
2.
Install new injection pump. Refer to
lNJECTION
PUMP
INSTALLATION.
3.
Remove
No.
1
injection line. Install
No.
1
injection
line with top end of line
in
pump outlet. Place an
open container under open end
of
No.
1
injection
line (Figure
51).
4.
Disconnect governor linkage at ball joint and
hold control arm up at maximum fuel position.
F
-
----
/3'f
6f''
TEST
POSITION
b
Fl
A642-I
CONNECT
FUEL RETURN
LINE HERE
FLEXIBLE LINE)
-----
PUMP
W
FIGURE
51.
FUEL LINE
TO
INJECTORS
5.
Rotate flywheel clockwise (when facing front of
engine [Figure
521
to point where
PC
mark on
flywheel is about
15
degrees
(1.25
to
1.50
inch
[32-38
mm])
before timing pointer
on
gear cover
(compression stroke of
No.
1
cylinder).
Makesure that both rocker armson
No.
1
cylinder
are free to move indicating the valves are closed.
If
fuel tank is disconnected, use a separate con-
tainer of fuel and connect a short fuel line
between the transfer pump inlet and
the
fuel con-
tainer. The pump has enough suction to pull fuel
out of
the
container.
Ignition of fuel might cause
IWIRNlNC)
serious personal
injury
or death
by fire or exploslon.
Do
not
permit any flame,
cigarette, or other Igniter near the fuel system.
!!
I
P.C. (PORT CLOSING)
,
FIGURE
52.
PORT
CLOSING POSITION
48
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