User manual
8
When
change
the
coolant,
cleaning
is
needed
for
the
cooling
system,
the
cleaning
procedures
are
suggested
as
follows:
◆
Empty
the
cooling
system
◆
Use
water
to
rinse
cooling
system
◆
Feed
15%~20%
condensed
coolant
to
the
cooling
system,
timely
run
the
generator
set
for
one
or
two
times
then
discharge
the
coolant
◆
Empty
the
cooling
system
then
use
normal
mixed
liquid
to
rinse
◆
If
contaminant
still
exists,
then
repeat
the
cleaning
procedure
until
no
contaminant
exists
in
the
system
◆
After
the
system
has
been
fully
rinsed,
feed
new
coolant
which
has
been
mixed
according
to
specified
proportion
Note:
If
the
cooling
system
is
cleaned
periodically,
only
rinse
it
with
small
amount
of
additives
or
clean
water
is
enough.
2.6.4
Feeding
of
coolant
◆
Before
adding
coolant
to
the
coolant
system,
please
make
sure
the
radiator
‘s
discharge
valve
and
the
engine’s
discharge
valve
are
tightly
closed.
◆
Add
the
coolant
to
the
system
in
a
proper
speed
so
that
to
avoid
air
cock
being
formed
in
the
system.
◆
Air
shall
be
discharged
through
the
adding
hole
or
the
discharge
valve
in
the
engine
body.
If
the
cooling
system
is
furnished
with
heater,
the
control
valve
for
the
heater
shall
be
opened.
Ensure
ventilation
of
the
unit
when
adding
the
coolant.
Note:
The
air
discharge
valve
in
the
engine
body
shall
be
located
in
the
top
point
of
the
water
path
or
near
the
thermostat
or
water
temperature
sensor,
or
you
can
slightly
loose
the
water
temperature
sensor
and
re
‐
tighten
it
when
you
see
coolant
run
out
from
it
so
that
to
discharge
the
air.
◆
When
adding
the
coolant,
the
surface
of
liquid
shall
reach
to
the
level
that
is
5
centimeters
below
the
radiator’s
welded
surface
(or
shall
reach
the
level
indicating
Line).
Be
sure
that
the
generator
set
has
stopped
and
become
fully
cooled
before
adding
Coolant.
Before
the
system
is
capable
of
ventilation
and
the
liquid
is
added
to
the
required
level,
please
don’t
start
the
generator
set.
After
the
coolant
being
fed,
please
start
and
pre
‐
heat
the
generator
set,
and
at
the
same
time
check
the
liquid
level
and
add
coolant
if
needed.
The
coolant
which
needs
to
be
added
to
the
radiator
shall
be
of
the
same
specification
as
that
existing
in
the
radiator.
◆
For
some
generator
sets
installed
with
coolant
filter,
please
open
the
filter’s
valve
before
put
into
use.
2.7
Lubricant
system
Lubricant
system
is
composed
of
oil
pan,
oil
pump,
strainer,
oil
pipe,
oil
cooling
unit,
oil
filter
unit,
and
the
oil
path
inside
of
the
engine
and
all
kinds
of
lubricant
parts
which
are
in
relative
motion
etc.
The
main
purpose
of
the
lubricant
system
is
to
provide
sustained
tempered
oil
film
between
the
parts
which
are
in
motion
so
that
to
reduce
friction
and
wear,
and
draws
off
part
of
the
heat
absorbed
by
the
parts,
bath
mechanical
part,
improve
sealing
effect
and
prevent
rust
from
each
part’s
surface.
Users
can
determine
the
model
of
lubricant
according
to
the
specific
working
environment
and
conditions.
For
the
first
time
lubricant,
normally
users
shall
change
it
within
100
hours
upon
and
from
the
time
when
the
generator
set
first
started.
(
details
refer
to
engine
maintenance
manual
)
Note:
The
critical
point
is
to
use
qualified
lubricant
oil
which
is
with
proper
viscosity
and
conform
to
the
engine’s
requirement,
and
periodically
change
the
lubricant
oil
and
oil
filter
so
that
to
ensure
the
generator
set’s
normal
working.
The
malfunctions
caused
by
wrong
model
of
lubricant
oil
with
low
quality
or
long
time
no
change
of
lubricant
oil,
or
oil
filter
do
not
belong
to
the
scope
of
warranty.
We
recommend
that
high
quality
multi
grade
SAE
15W/40
high
service
engine
oil
in
diesel
engines
are
used.
At
ambient
temperatures
above
‐
15
degree
Celsius
is
15W40.
The
minimum
API
oil
quality
levels
recommended
for
use
is
CH
/
CI
‐
4,
CH
or
CI
‐
4
can
be
used
in
areas
where
CF4
oil
is
not
yet
available,
but
the
oil
interval
must
be
reduced
API
CA,
CB,
CC,
CD,
CE,
CG4
categories
not
recommended,
do
not
use.
2.8
Fuel
system
Our
generator
sets
requires
the
fuel
‐
diesel
shall
be
clean,
without
air
and
water
and
with
proper
pressure,
of
which
all
kinds
of
parameters
such
as
sulphur
content
etc.
shall
meet
national
standards,
and
end
use
temperature
grade
meet
the
requirement
of
customer’s
working
environment.
Generally
generator
set’s
fuel
system
includes
two
parts,
that
is,
engine’s
fuel
system
and
external
fuel
system.
HYUNDAI
is
only
responsible
for
installation
of
the
int
ernal
fuel
system
which
includes
fuel
tank
and
connecting
fuel
pipes
etc.
2.8.1
Fuel
Recommendations
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