MAINTENANCE
9NX
Air purge method
Purge air after maintenance of the fuel filter is
performed or the fuel tank is emptied.
(1) Fill the fuel tank with fuel.
(2) Press down lever
O
of fuel pump
C3
several
times to fill fuel in cup
O
of the fuel filter.
Replacement of fuel pump pre-filters
I
'
Replace fuel pump pre-filters after the engine
I
sections cool down.
'
Keep fire away from the pre-filters.
Wipe out completely split light oil since it may
cause a fire.
1. Lower the machine to the ground and stop the
engine.
2. Place an oil receiver under pre-filter
0.
3.
Remove pre-filter
0
from clamp
O.
4.
Loosen hose clamps
O
and
@
and remove hoses
O
and
63
from pre-filter
0.
5.
Fit hoses
O
and
@
to the new pre-filter
O
and fix
them tightly with R hose clamps
O
and
@.
6.
Fit pre-filter
0
and fix it to clamp
O.
7.
After replacement, perform air bleeding. The
procedure for replacement is the same as that for
fuel filter element.
Check the Travel Drives Oil Level
When the quantity of oil is found to have
increased abnormaly, it is necessary to check the
oil seal of the travel motor.
If the seal is leaking, contact a
IHI dealer.
1. Position one travel drive with oil drain plug
O
at the
bottom.
2. Remove the oil
levellfill plug
O
oil should be to the
bottom of the level plug opening.
3.
Add oil through the opening of oil levellfill plug
O
if
necessary.
4.
Clean the plugs
O
Install the plugs
O.
5.
Perform procedure on the other travel drive.
6
Fuel pump
1
d
Lever
Details
of
pre-filter
0
Oil
level
1
fill plug
~iain plug
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