Westerbeke W-70GA Installationshandbuch Seite 24

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Seitenansicht 23
ENGINE
LUBRICATING
OIL
REPLACING
THE
OIL
FILTER
When removing the used oil filter, you may find
it
helpful to
punch a hole in the upper and lower portion
of
the old filter
to drain the oil into a container before removing it. This helps
to lessen spillage.
An
automotive filter wrench should be
helpful in removing the old filter.
Place some paper towels
and a plastic bag around the filter when unscrewing
it
to catch
any oil that's in the filter. Inspect the old oil filter as it is
removed to make sure that the rubber sealing gasket comes
off
with the filter.
If
this rubber sealing gasket remains sealed
against the oil filter adapter, gently remove it. When
installing the new filter element, wipe the filter gasket's
sealing surface on the filter adapter free
of
oil and apply a
thin coat
of
clean engine oil to the rubber sealing gasket.
Screw on the filter and tighten the filter firmly by hand.
NOTE:
Use
genuine WESTERBEKE oil filters. Genericfilters
are
not
recommended.
REFILLING
THE
OIL
SUMP
Add fresh oil through the valve cover. After refilling the oil,
run the engine for a few moments while checking the engine's
oil pressure. Make sure there is no leakage around the new
oil filter or from the oil drain system, and then stop the
engine. Then check the quantity
of
oil with the lube oil
dipstick. Fill to,
but
not over, the FULL mark.
OIL
PRESSURE
The engine's oil pressure, during operation, is indicated
by the oil pressure gauge on the instrument panel. During
normal operation, the oil pressure will range between
40 and
75 psi (2.8 and 5.2 kglcm2).
NOTE:
A newly
started,
cold
engine
can
have
an
oil pressure
reading
up
to
80
psi (5.6
kg!cm
2
).
A warmed engine
can
have
an
oil pressure
reading
as
low
as
35 psi (2.5
kg!cm
2
).
These
readings
will
vary
depending
upon
the
temperature
of
the
engine
and
the
rpms.
LOW
OIL
PRESSURE
The specified safe minimum oil pressure is 4.3 + 1.4 psi (0.3
+ 0.1 kglcm2). A gradual loss
of
oil pressure usually indicates
worn bearings. For additional information on low oil pressure
readings, see the
ENGINE
TROUBLESHOOTING
chart.
\
TESTING
OIL
PRESSURE
To test the oil pressure, remove the oil pressure sender, then
install a mechanical oil pressure gauge in its place. After
warming up the engine, set the engine speed at
3000 rpm
and read the oil pressure gauge.
OIL
PRESSURE
35.0
Ib/in'
(3.8
kg/em')
or
higher
at
3000
rpm.
SENDER
AND
SWITCH
TORQUE
9 -13
ft-Ib
(1.2
-1.8 m -
kg).
Engines & Generators
18
Seitenansicht 23
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