.
4
1
situations,
but
the
pri
mary
method
is
pressure
air.
Pleases clean the damaged radiator carefully, because it will cause water leaking.
B. Hydraulic system
It
is
necessary
to
maintain
the
trap
valve.
Please
replace
the
hydraulic
oil
filter
at
the
first
500
hours.
And
replace
oil
filter
every
1200
hours
after
that.
Clean
the
nearby
places
completely
clean
,
don’t
let
any
dirty
go
into
the
trap
valve.
Clean
the
trap
valve
with a
clean
and
nonflammable
fluid
and
dry
it.
C. Swing system gear
Swing
the
arm
structure
up
30
°
,
stop
the
engine,
and
check
the
gear
section
of
the
swing
system,
then
fill
the
grease
lubricant.
If
the
density
of
the
grease
lubricant
is
too
thick
,
the
stir
losing
may
become
larger.
Also,
the
swing
grease
lubricant
may
go
to
bad.
It
will
cause
the
swing
to operate in
lower
gears
and
the
swing
gears
may get
damaged
because
of
bad
grease
lubricant.
7. Maintenance items every 1000 hours or six months
Replace the grease lubricant of the swing system.
8. Maintenance items every 2000 hours or 12 months
A. the adjustment of the valve clearance.
Because
the
valve
and
the
valve
actuating
mechanism
parts
initial
wear
and
tear
,
you
should
check
the
valve
and
fuel
at
about
250
hours
timing
for
the
new
engine.
After
that,
we
should
check
and
adjust
these
parts
every
2000
hours.
When
you
check
the
valve
clearance,
no
need
adjust
if
the
clearance
checked
is
in
the
stated
range
±0
.
8mm.
It
will
lower
the
engine
power
if
the engine valve is
adjust
ed
incorrectly.
This
efficiency
reducer
will
cause
oil over-
consumption
and
cut
down
the
l
ife
of
the
engine
parts.
