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Disassembly of the Fuel Injection Pump
(1)
Remove the fuel injec-
tion
lines
and
return
lines.
(2)
Loosen
the
injection
pump mounting bolts and
lift the pump assembly
out
of
the
engine
block.
position
the
throttle arm about half
open
to
position
the
fuel rack ball joint at
the notch in the block
for removal.
(3)
Record
the
thickness
and quantity of pump adjusting shims
in
order to facilitate adjustment at the time of reassembly.
(4)
Disassembly of the Fuel Pump
CAUTION:
Do not recklessly try to disassemble the fuel injection pump.
Pump adjustment requires a test bench and acquired skill.
Avoid
disassembly and adjustment of the pump when this equipment and
knowledge are not available.
Before disassembling, close the fuel inlet and outlet and clean
the exterior of the pump.
Fill a container with clean diesel oil and put disassembled parts
in it.
Keep in order the disassembled parts except those to be replaced
so that they may be reassembled in their original positions and
that no mixing with other parts will occur.
(a)
Remove the deli-
very valve
holder.
Take
out
the
valve
spring,
valve
and O-ring.
(b)
Take
out
the
gasket and valve
seat.
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