Chapter 3 Fuel Injection Equipment
2. Bleeding and Checking Injection Timing
4LHA Serie
2. Check the
fuel
injection
timing
as
follows:
(1) Remove the high pressure pipe from the fuel injection
pump.
3.
Removal
and
installation
of
injection
pump
(1)
Remove
the fuel injection pump gear cover from the tim-
ing gear
housing
cover.
(2)
Make
mating marks on the idle gear and the injection
pump gear using white paint for reinstallation.
(3) Remove the pump drive shaft end nut, the washer,
the pump gear from the shaft, three pump retaining
bolts,
and two pump support bolts.
Remove
the injection pump.
NOTE: When removing the pump;
1) Do not drop keys from the drive shaft into the gear
housing.
2) Avoid damage to O-rings on the pump.
3) Do not hit the shaft end with a hammer.
(2)
Pull
the engine warm up knob out and place the control
lever
in the "half
speed"
position.
(3)
Insert
a turning bar
into
the hole on the crank
pulley on the
front
side.
Crank the engine lightly
to check the fuel injection timing.
(4) When installing the
pump,
match the mating marks on the
bracket and the pump flange.
(5) While aligning the mating marks on the idle gear and
the pump gear, install the pump to the pump gear.
(6) Tighten the drive shaft end nut to 69N-m(7kgf-m).
(4) Timing marks on the flywheel can be
seen
through the
hole
on the flywheel housing
NOTE
Fuel
injection pump stand
EM
VE
pump
I
-
Gear
case
Make
sure
that
the match marks are aligned.
(With alignment of these marks, injection timing
is
automatically adjusted)
3-i-3
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