FUEL INJECTION PUMP
The injection pump contains parts which have a very
close tolerance and its operation has a direct effect on the
performance of the engine.
IMPORTANT
Do
not
attempt
to
maintain
or
adjust
unless
you
are trained
and
have the
correct
equipment.
1-2028-{)289
Removal and Installation
Clean the area around the injection pump. Disconnect the
fuel shut-off linkage
(Item 1)
[A]
Disconnect the fuel inlet hoses (Item 2) [A).
Disconnect the high pressure tubelines
(Item 3) [A).
Installation: Tighten the delivery valve nuts to
29-36
ft.-Ibs. (39-48
Nm)
torque.
IMPORTANT
Do
not
bend the
high
pressure
fuel
injection
tubes
when removing
or
installing
them.
1-2029-0289
Remove the side cover (Item 4) [A).
Remove the four mounting nuts.
Installation: Tighten the nuts to
17-20
ft.-Ibs.
(23-27
Nm) torque.
Put the pin
in
the control rack
in
alignment with the slot in
the engine block
(Item
1)
[B]. Remove the injection pump.
NOTE: Make sure the same
number
of
shims
are
installed
under
the
injection
pump.
The
shims are used
for
engine
timing.
Installation: When the injection pump is installed, make
sure the
pin
(Item 2) [B) on the control rack is correctly
installed
on
the fork lever. If the slot is not installed
correctly, the engine will run over maximum speed and
serious damage can result.
-7C-3-
741, 742, 743, 7430S Bobcat Loader
Service Manual
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