ENGINE
OIL
CHANGE
Engine
Oil
Change
1. Draining the Oil Sump.
Discharge
the
used
oil
through
the
sump
drain
hose
(attached
to
the
front of
the
engine)
while
the
engine
is
warm.
Drain
the
used
oil
completely,
replace
the
hose
in
its bracket,
and
replace
the
end
cap
securely.
NOTE:
Thread
size for
the
lube
pi/
drain
hose capped end
isl/4NPT.
.
At~ays
observe
the
used
oil
as
it
is
removed. A
yellow/gray emulsion indicates
the
presence of water
in
the oil.
Although
this
condition
is
rare,
it
does
require
prompt
attention
to
prevent serious damage.
Call
a com-
petent
mechanic
should water
be
present
in
the
oil.
Raw
water
present
in
the
oil
can
be
the
result of a
fault
in
the
exhaust
system
attached to
the
engine and/or a siphoning
of
raw
water
through
the
raw
water cooling circuit into
the
exhaust,
filling
the
engine. This problem
is
often
caused
by
the
poor
location, of or
the
lack
of,
an
anti-
siphon
valve.
SUMP
DRAIN
HOSE
2.
RepJ~cement
of
the Oil Filter.
When
removing
the
used
oil
filter,
you
may
find
it
helpful
and
cleaner
to
punch
a
hole
in
the
upper
and
lower
portion
of
the
old filter to
drain
the
oil
from
it
into a container before removing
it.
This
helps
to
lessen
spillage. A
small
automotive filter
wrench
should
be
helpful
in
removing
the
old oil
filter.
NOTE:
Do not punch this hole without first loosening the
filter
to
make certain it
can
be
removed!
Place some
paper
towels
and
a plastic bag around
the
fil-
ter
when
unscrewing
it
to
catch
any
oil left
in
the
filter.
(Oil or
any
other
fluid
on
the
engine reduces
the
engine's
cooling
ability.
Please keep
your
engine clean.) Inspect
the
old
oil
filter
as
it
is
removed
to
make
sure that
the
rubber sealing gasket comes off
with
the
old
oil
filter.
If
this rubber sealing gasket remains sealed against
the
engine
block,
gently
remove
it.
When
installing
the
new
oil
filter
element, wipe
the
filter
gasket's sealing surface on
the
engine block free of
oil
and
apply
a
thin
coat
of
clean engine
oil
to
the
rubber
gasket
on
the
new
oil
filter.
Screw
the
filter
onto
the
threaded
oil
filter
nipple,
and
then
tighten
the
filter
firmly
by
hand.
OIL
FILTER
(25
KW
•
32
KW)
_.:...NOTE:
DO
NOT
OVER
TIGHTEN
I
OILFILTBl
OIL
FILTER
(20
KW)
3.
Filling the Oil Sump.
Add
new
oil
through
the
oil
filler
cap
on
the
top
of
the
engine
or
through
the
side
oil
fill.
After
refilling,
run
the
generator
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
sys-
tem,
and
stop
the
generator.
Then
check
the
quantity
of
oil
with
the
lube
oil
dipstick.
Fill
to,
but
not
over
the
high
mark
on
the
dipstick,
should
the
engine
require
additional
oil.
Immediately after
an
oil
filter
change
and
oil
fill,
run
the
engine
to
make
sure
the
oil
pressure
is
normal
and
that
there
are
no
oil
leaks
around
the
new
oil
filter.
NOTE:
Generic
filters
are
not
recommended,
as
the
mate-
rial
standards
or diameters
of
important items
on
generic
_parts
_might
be
entirely
different
from
genuine
parts.
A
WARNING:
Used
engine
oil
contains
harmful
contaminants.
Avoid
prolonged
skin
contact.
Clean
skin
and
nails
thoroughly
using
StJBP
and
water.
Launder
or
discard
clothing
or
rags
containing
used
oil.
Discard
used
oil
properly.
Oil
Pressure
The engine's
oil
pressure,
during
operatimt,
is
indicated
by
the
oil
pressure
gauge
on
the
instrument
panel.
During
normal
operation,
the
oil
pressure
will
range
between
50
and
60
psi.
NOTE:
A newly
started,
cold engine can have
an
oil pressure
reading
upwards
of
60
psi.
A warmed engine
can
have
an
oil
pressure
reading
as
low
as
35
psi.
These
readings
will
vary
depending
upon
the
temperature
of
the
engine and
the
load
placed
on
the
generator.
EngitJes
& Generators
19
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