Inspection Before Starting; Visual Checks; Checking And Resupplying Fuel Oil; Checking And Resupplying Engine Lube Oil - Yanmar 2GM20(F)(V)(C) Operation Manual

Marine diesel
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3. Operation
3.3.1 Inspection Before Starting
Before starting
the
engine, make
it
a daily
rule to conduct the following inspections:
(1) Visual
Checks
Check
for the following:
1. Lube
oil leakage
from the engine
2.
Fuel
oil
leakage from the fuel system
3.
Water leakage from the cooling water
system
4.
Damage to parts
5.
Loosening
or loss of
bolts
If any problem Is found, do
not
o perate the
engine
before
completing
repairs.
(2)
Chec
king and
Resupplying Fuel Oil
Check the
fuel level
inside the
fuel
tank
and supply
with the recommended fuel, if
necessary. (See
3.2.1)
(3) Checking and
Resupplying Engine
Lube
Oil
1. Check the engine oil level
with
the oil
dipstick.
2.
If the
oil level
is
low,
supply
with the
recommended
lube
oil using the
filler
port.
Supply
oil up
to the top
mark
on
the
oil dipstick. (See 3.2.2)
(4)
Checking
and
Resupplying
Clutch
Lube
Oil
1.
Check
the clutch
oil
level
with the
oil
dipstick.
2.
If the
oil
level
is low,
supply with the
recommended lube
oil
using the f iller
port.
Supply
oil
up to the top mark on
the oil dipstick.
(See
3.2.3)
(5)
Checking
and
Resupplying
Fresh
Water (For Fresh
Water
Cooling
System)
Check
the
fresh
water
level
before
operation
while
the
engine
is
cold.
Checking
the
water level while the engine
is hot is dangerous, and the cooling water
reading
will
be misleading due to
thermal
expansion.
26
Check and
sup
ply
cooling
water routinely
at
the
subtank
only.
Do not remove the filler cap
of
the fresh
water
tank
during usual
operat
ion.
A
DANGER
Do not open the filler
cap
during operation
or immediately after
stopping t
he engine.
Hot
steam and water
will spout
out. To
remove the cap, wait until the engine has
cooled down, wrap the
cap
with a cloth
and loosen the cap
slowly.
After
checking,
replace the cap and
tighten
firmly.
1. Check that the
cooling
fresh water
level
is above
the lower limit on
the side of
the
subtank.
2. If the
water level is close to the lower
limit,
remove
the subtank cap and
supply fresh water.
3.
When the water
In the subtank
runs
out,
remove the
filler cap of
the
fresh water
cooler and supply
water until
it over-
flows from
the filler port. (See 3.2.4)

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