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Yanmar 3JH3(8)E - Page 27

Yanmar 3JH3(8)E
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3. Operation
4.
Turn on the battery switch.
5. Insert the key into the key switch and
turn the key
to
ON. If the alarm buzzer
sounds and
alarm lamps come on, the
alarm devices are normal.
Note: The cooling water temp. warning
lamp does not come on.
(See
2.5.1.(3))
6.
Turn the key switch
to
start the engine.
Release the key switch when the en-
gine has started. The
alarm buzzer
should stop and the alarm lamps go
out.
CD
OFF
position
CD
@ON
poo';oo
t~
®STARTPOSltIO~"
O~ ~
ST~
@
./'
'
/
(2)
Restarting After Starting Failure
Before turning the key switch again, be
sure
to
confirm that the engine has stop-
ped
completely. If the engine is restarted
while the engine still has not stopped, the
pinion gear of the starter motor
will be
damaged.
Turn the key for a maximum of 15
seconds
in
the start position. If the
engine does not start the first time,
wait for about 15 seconds before
trying again. After the engine has
started, do not turn the key off.
(It
should
remain ON.)
Alarm
devices will not work when
the key
is
OFF.
(3)
Air Venting of the Fuel System After
Starting
Failure
If
the engine only idles and
won't
start after
several attempts, there may be air
in
the
fuel system. If air is
in
the fuel system, fuel
cannot reach the fuel injection pump. Vent
the air
in
the system according
to
the
following procedures.
Fuel System Air Venting Procedures
1.
Check the fuel level
in
the fuel tank.
Replenish if insufficient.
2.
Loosen the air vent bolt at the
top
of
the oil/water separator by turning it 2 or
3 times. When
fuel which does not con-
tain air
bubbles comes out
of
the bolt
hole,
tighten the air vent bolt.
3.
Loosen the air vent bolts of the fuel
filter
and the fuel injection pump by
turning them 2 or 3 times .
4.
Feed fuel with the fuel feed pump by
moving the
lever on the left side of the
feed pump up and down.
5.
Allow the fuel containing air bubbles to
flow out from the air vent bolt holes.
When the fuel coming out no longer
contains bubbles, tighten the air vent
bolts.
This completes the air venting of the
fuel system. Try starting the engine
again.
6.
In
subsequent engine operation after
the start-up, the automatic air-venting
device works
to
purge the air
in
the fuel
system. No manual air-venting is
required for
normal engine operation.
27

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