Chapter 3 Fuel Injection Equipment
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3-1 Disassembly of fuel injection pump
When disassembling the fuel pump, separate the parts for
each cylinder and be careful not to get them mixed up.
Be especially careful
to
keep the plunger/plunger barrel,
delivery valve/delivery valve seat and other assemblies
separate for each cylinder (the parts of each assembly
must be kept with that assembly and put back in the same
cylinder).
Preparation
1.
Wash
off
the dirt and grease on the outside of the pump
with cleaning oil (kerosene or diesel oil) before disas-
sembly.
2.
Perform work
in
a clean area.
3.
Take off the fuel pump bottom cover
and
remove lubri-
cant oil.
4.
Turn the fuel pump upside down
to
drain
fuel
oil.
(1)
Loosen the nut with a box spanner and take it off.
holding it with the hole in the
fuel
coupling
ring
or hold-
ing the coupling with a vise and take out the governor
weight assembly.
Printed in
Japa11
HINSHI-ll&J09
3-15
(2)
Remove the fuel feed pump.
NOTE :
Do
not disassemble the fuel feed pump. See in-
structions for fuel feed pump for details.
(3) Remove the fuel pump side cover.
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