.
40
Check
that
the
rubber
cushion
pad
is
deteriorating
after
injures
or
not.
5.
Maintenance
items
every
250
hours
or
every
month
A. En
gine
crankcase
-
r
eplace
engine
oil
and
packed
bed
filter
B.
Soft
tube
-
it
is
most
economic
and
reasonable
to
replace
the
soft
tube
before
damaged.
This
is
a
preventive
maintenance
method.
By
this
way,
we
can
reduce
the
loss
of
working
time
.Check
to make sure
all
the
soft
tubes
did not burst
.
If so,
replace
the
burst
soft
tube
and
loosen
soft
tube
to
tight
the
loose
pipe
clamp.
C.
Leather
B
elt:
The
water
pumps,
fan
of
the
engine
are
driven
by
the
leather
belt.
In
order
to
develop
the
specifications
of
the
engine
and
improve
the
efficiency,
please
check
it is
w
orn
or
burst
.
To
keep
the
belt
slipping
at
minimum,
please
check
and
adjust
the
tightness
of
the
leather
belt.
Slipping
will
reduce
the
life
of
the
belt;
it
will
also
damage
the
water
pumps
or
other
equipmen
t.
Warning
In
order
check
the
tightness
of
the
leather
belt,
please
set
22lbs
force
at
the
middle
of
the
two
belt
pulley.
6. Maintenance items every 500 hours or three months
A. Clean the surface of the radiator.
Dangerous
Please
wear
protective
goggles
when
you
clean
the
cooling
system.
The high
pressure
water
may contain
flying
splinters
which
may
injure
you
r
body.
It
is
recommended
to
clean
the
radiator
only
after
the
engine
has
stopped
o
r,
the
swinging
fan
blade
will
cause
injures.
You
can
clean
any
dust,
leaves
, or
other
splinters
by
pressure
air,
pressure
water
or
high
pressure
steam.
You
can
choose
the
right
clean
ing
method
according
to
different
