.
4
2
Attention
Please
do
not
start
the
motor
and
driv
e
the
flywheel
to
avoid
injur
y.
Please
let
the
engine
cool
for
a
period
of time
before
checking
the
valve
clearance.
B.
Change
the
cool
ant
Please
drain
and
change
the
cooling
fluid
every
2000
working
hours
or
1
year.
If
cooing
fluid
is
dirty
or
foam
y
,
please
drain
the
cooling
fluid
as
soon
as
possible.
9.
Maintenance
items
every
4000
hours
or
2
years.
Replace
the
hydraulic
shaft
of
the
hydraulic
system.
Attention
Please
don’t
operate
any
joysticks
before
the
air
of
the
hydraulic
system
has
release
d
completely.
Otherwise,
it
may
cause
hydraulic
transmission
breakdown.
10.
Please
let
the
bucket
down
the
ground
when
parking
the
excavator
in
order
to
reduce
the
pressure
of
the
hydraulic
system,
to
increase
use life
.
11. Maintenance items of travel reducer and swing reducer.
A. Preparation before driving
Please
fill
the
lubricant
oil
before
the
first
driv
e
,
and
the
lubricant
oil
should
meet
the
clean
requirements.
Fill
the
oil
from
the
tapped,
and
the
quantity
should
be
about:
travel
reducer
3.8lbs
,
swing
reducer
7.7lbs
.
Don’t
add
excessive
oil.
Also,
check
it
again
after
operating
for
a
while.
B. Maintenance
Check oil leaking or not everyday
Check the oil level every week.
Check the joint situation of the outside bolts every month.
C. oil change
The first oil change is after 150 working hours. After that, change the oil every 1500
hours or 6 months at the latest. Please clean the old oil before filling new oil.