4. Maintenance & Inspection
4.3 Periodic Inspection Items
4.3.1 Inspection on Initial
50
Hrs.
of
Operation (or
after
1 Month)
(1)
Replacing
the
Engine Lube Oil and
Lube Filter (1st time)
During initial operation of the engine, the
oil is quickly contaminated due to the initial
wear
of
internal parts. The lube oil must
therefore be replaced early. Replace the
lube oil filter at the same time.
It is easiest and
most
effective
to
drain the
engine lube oil after operation while the
engine is still warm.
1. Remove the lube
oil dipstick. Attach the
oil drain
pump
and drain
off
oil.
2.
Remove the lube oil filter with the filter
detach/attach tool.
\furn
to
the left.)
3.
Clean the filter installation face and
attach the new fllter, tightening by
hand.
4. Turn
an
additional
3/4
of
a turn with the
attachment tool.
\furn
to the right.
Tightening torque:
20 - 24 Nm)
5. Fill with new lube oil.
(See
3.2.
2)
6. Perform a trial run and check
for
oil
leakage.
7. Approximately
10 minutes after
stopping the engine, remove the
oil
dipstick and check the oil level. Add oil
if
the level is too low.
.A
CAUTION
Beware
of
oil splashes if extracting
the
lube oil while
it
is hot.
(2) Replacing
the
Clutch Lube Oil
(1st time)
During Initial operation, the oil is quickly
contaminated due to the initial wear of
internal parts. The lube oil must therefore
be replaced early.
1. Remove the cap from the filler port and
attach the oil drain pump. Drain
off
oil.
2.
Fill with new lube oil. (See 3.2.
3)
3.
Perform a trial run and check for oil
leakage.
(3) Draining
the
(optional) Fuel
Tank
Open the drain
cock
and drain
off
any
water or dirt collected on the bottom.
Put a pan under the drain
to
catch the fuel.
Once the water and
dirt
has been drained
off
and the fuel coming out is clear, close
the drain cock.
4.3.2 Inspection Every
50
Hours
(or Monthly)
(1) Draining
the
Fuel Filter
1 . Close the fuel oil cock.
2.
Remove the fuel filter cover and drain
off
any water and
dirt
collected inside.
3. After reassembly, be sure
to
vent air
from the fuel system.
(See 3.3.2(3))
(2) Inspection and Adjustment
of
Intake/
Exhaust Valve Clearance
(1st time)
Settling
of
a new engine and individual
engine use
will cause changes in the
intake/exhaust valve and rocker arm
clearance, and adjustment is necessary.
This adjustment requires specialized
knowledge and techniques. Consult your
Yanmar dealer or distributor.
37
I
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