.
30
●Avoid
continu
ously
hitting
for
over
1
minute
If
the
earth
or
the
stone
is
not
b
r
eaking
after
one
minute
of
hitting,
please
change
to a different
type
of
impacting
head.
It
may
cause
the
oil
temperature
to
rise
,
pressure
reservoir
to
br
eak,
or
the
hydraulic
cylinder
oil
seal
to become
damaged.
●Please
stop
working
if
the
hydraulic
oil
pipe
starts
shaking.
If
the
hydraulic
soft
pipe
starts unusually
shaking
it
could
mean
there
is
something
wrong
with
the
pressure
reservoir
.
If this happens
,
please
stop
operation
and
consult
the
the Ranko service department
.
●
Please
don’t
hang
objects
by
the
breaker.
Please
comply
with
the
“Safety
First”
rules.
Do
not
hang
any
objects
from
the
breaker.
●
Do not
working
in
water
The
hydraulic
breaker
rust
may
damage
the
sealing
elements
. If the
hydraulic
oil
is
mixed
with t
he
rust,
water
, or other material, it
may
lead
to
hydraulic
system
damag
e
.
●Prohibit
ed
operations
of
the
breaker.
If
you
use
the
up
swing
body
to
operate
the
breaker,
it
may
bend
the
crawler
because
of
over
load.
So,
you
must
operate
the
front
assembly
in the
correct
way.
