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Using special tool Gear puller
(MH062464), hold the injection pump gear.
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Loosen the union nut of the
injection pipe while locking the delivery valve holder to
prevent it from rotating together.
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Apply a thin coat of engine oil
evenly to the entire circumferential surface of O-ring
before installing it.
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Install the injection pump assembly
while aligning the mating mark on the flange plate
and the pump assembly.
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1.Crank up the engine with
the specified special tool to place the No.1 piston at the
TDC
on the compression stroke. Align the notch in the crankshaft
pulley with the timing mark "0"
on the timing gear case.
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| caution |
- If the dent on the hexagonal section of
the camshaft faces upward, the No.1
piston is at the TDC on the compression
stroke. If not, rotate the crankshaft
one more turn
in normal direction.
- Never rotate the crankshaft in reverse
direction. It may the crankshaft is to
the
riming chain tensioner. If the
crankshaft is accidentally rotate in
reverse direction, remove
and reinstall the tensioner according to
the correct installation
procedure.
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2.Align the notch on the
injection pump gear with the mating mark "T" on the flange
plate.
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3.Align the guide bar of the
flange plate with the guide hole of the front plate and
insert
the front plate just before the injection pump gear mashes
with the idler gear.
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4.Confirm that the notch on
the injection pump gear is aligned with the mating mark "T"
on the flange plate. Then install the front plate on the
injection pump assembly. While mashing the
gears, the notch on the gear should move in the
direction.
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Tighten the union nut of the
injection pipe while locking the delivery valve holder to
prevent from rotating together.
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