FUEL
SYSTEM
SERVICE
3. Install the spring seat gasket and the valve assembly
in
the holder. Tighten the delivery holder to the pump hous-
ing. Make certain that the
O-ring has been properly
installed.
ANGLEICH
SET
PLATE
ANGLEICH
SET
SPRING
GASKET
<:::!:')
VALVESEAT-(5
PLUNGER-~
BARREL
8'
DELIVERY
o;
~
VALVE
HOLDER
O·RING
.Ii)
~~~
/1.....
ADJUSTING
PLATE
:/
I-SPRING
~
DELIVERY
VALVE
~PINION
@)-
UPPER
SEAT
RACK
~,
PLUNGER
SPRING
FUEL
INJECTION
PUMP
4. Install the control rack.
5. Install the pinions with their deep-root teeth aligned with
the respective marks on the rack.
OEEP
ROOTS
ASSEMBLING
RACK
AND
PINION
......
. . -
6. Install the spring upper seat and spring.
7.
Put the plunger and the spring lower seat together. Install
the assembly so that,
in
the same alignment position as
mentioned
in
step 5, the plunger front-end lead (slant
groove) is positioned on the opposite side
of
the control
rack.
On former engines, insert the mark
"L"
area
of
the
plunger collar into the control rack side.
8. Insert the tappet, taking care not to drop the shim. Align
the tappet guide hole with the dowel pin hole
of
the hous-
ing and insert the tappet guide pin. Install the lock plate
before inserting the tappet guide pin and bend the lock
plate after inserting the pin.
INST~LLlNG
TAPPET
9. Install the smoke set stopper, return spring and washer.
Then insert the split pin, and split it.
10. Install the Angleich set plate and spring, when equipped.
n.
Torque the delivery holder to specification (4-5 kg-m).
Installation
and
Adjusbnent
of
Fuel
Injection
Pump
1.
When installing the pump assembly, select and install the
adjusting shim. After installing the pump, fit the tie-rod
from the governor lever to the control rack, then install the
tie-rod spring to the control rack. Make sure that the end
of
the tie-rod spring positioned at the governor lever side has
the shorter straight wire
of
the two ends
of
the spring. For
proper selection
of
shim thickness, temporarily install a
shim set having the same thickness as before removal, and
when adjusting fuel injection timing, replace the current
shim set with one formed by a proper combination
of
four
kinds
of
shims. - 0.2, 0.3, 0.4 and 0.8 mm,
in
thickness.
NOTE:
Maintaining
the
same shim thickness for
the
injec-
tion
pump will place
the
pwnp
in
the same timing
with
the
engine
as
when
previously
removed.
INSTALLING
INJECTION
PUMP
Engines & Generators
41
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