.
4
13. Don’t
fold
or
knock
high
pressure
oil
pipe.
Hydraulic
oil
is
about
150℉
when
the
excavator
is
working,
so
do not touch
to
avoid
scald
ing
.
Please
stop
and
wait
for
the
oil
to
cool
before
repair
ing
the
hydraulic
system.
Please
pay
attention
to
safety
as
well.
★
Important
Notes
of
excavating
dur
in
g the
'
breaking-in
'
period
1. Keep t
he
engine,
speed
below
30%,
and
max
load
below
20%-30%.
2. Avoid
striking
the
throttle
fiercely
when
starting
the
engine.
3.
It
should
take
about
20-50
seconds
to
warm-up
before
starting
the
engine
slowly.
4. Please
wait to
excavate
the
loose
earth
after
30-50hours
of
the
break-in
period,
and
keep the load at or below
1/2
of
the
bucket
capacity.
Once past
50
hours,
you
can
increase the load
,
but
still keep below
3/4
of
the
bucket
capacity,
and
continue to
operat
e at a reduced
speed.
5. Please
check,
adjust
,
and
lubricate
the
parts
of
the
excavator
after
the
break-in
period.
At
the
same
time,
check
the
condition
of
the
lubricating
oil
of
the
gear
box
and
the
hydraulic
oil
of
the
hydraulic
oil
tank
to ensure cleanliness. I
f
necessary,
change
it.
★
★
Notes
of
excavating:
Please
keep
the
machine
steady
on
the
ground
before
excavating.
In
order
to
achieve the max efficiency. Please control the overload relief to prevent hydraulic oil
heater and damage the parts of the machine.
2.
Please
control
the
joysticks
at a
slow
pace
.
3.
Please
change
out
the
hydraulic
oil
filter
after
about
1200
working
hours.
4.
Please
choose
32#
or
46#
anti-wear
hydraulic
oil
in
winter,
and
100#
anti
-
wear
hydraulic oil in the summer.
T
he
temperature
should
stay around
175℉
to
keep
the
machine
operating
in
good
condition.
