12
English
Chain
oil
fi
lter
(Fig.
37)
Remove
the
oil
fi
lter
and
thoroughly
wash
it
in
solvent.
Fig.
37
Cleaning
the
cylinder
fi
ns
(Fig.
38)
When
wood
chips
are
caught
between
cylinder
fi
ns
(44),
the
engine
may
overheat,
resulting
in
lower
output.
To
avoid
this,
always
keep
cylinder
fi
ns
and
fan
case
clean.
44
Fig.
38
Icing
protection
system
(Fig.
39,
40)
This
system
is
to
protect
carburetor
from
icing
when
the
unit
is
operated
in
winter
time.
1.
When
you
need
icing
system
work,
remove
air
fi
lter
cover
(41).
Pull
out
the
shutter
(45)
from
inside
the
air
fi
lter
cover
and
reinstall
it
in
winter
time
position
by
turning
half-way.
(
Fig.
39
)
This
will
allow
heated
air
to
fl
ow
from
cylinder
side
to
carburetor
cabin
through
the
opening
(46).
NOTE
When
winter
time
has
been
over
and
carburetor
will
not
su
ff
er
from
icing,
make
sure
that
the
shutter
is
reinstalled
in
ordinary
position
(
Fig.
40
).
45
46
41
Fig.
39
45
41
Fig.
40
For
long-term
storage
Drain
all
fuel
from
the
fuel
tank.
Start
and
let
engine
run
until
it
stops.
Repair
any
damage
which
has
resulted
from
use.
Clean
the
unit
with
a
clean
rag,
or
the
use
of
high
pressure
air
hose.
Put
a
few
drops
of
two-cycle
engine
oil
into
the
cylinder
through
the
spark
plug
hole,
and
spin
the
engine
over
several
times
to
distribute
oil.
Cover
the
unit
and
store
it
in
a
dry
area.
CHAIN
SHARPENING
Parts
of
a
cutter
(Fig.
41,
42)
48
47
49
50
51
52
53
54
55
Fig.
41
56
57
58
59
Fig.
42
WARNING
○
Gloves
should
be
used
when
sharpening
chain.
○
Be
sure
to
round
o
ff
the
front
edge
to
reduce
the
chance
of
kickback
or
tie-strap
breakage.
47.
Top
plate
48.
Working
corner
49.
Side
plate
50.
Gullet
51.
Heel
52.
Chassis
53
Rivet
hole
54.
Toe
55.
Depth
gauge
56.
Correct
angle
on
top
plate
(degree
of
angle
depends
on
chain
type)
57.
Slightly
protruding
“hook”
or
point
(curve
on
non-chisel
chain)
58.
Top
of
depth
gauge
at
correct
height
below
top
plate
59.
Front
of
depth
gauge
rounded
o
ff
LOWERING
DEPTH
GAUGES
WITH
A
FILE
1)
If
you
sharpen
your
cutters
with
a
fi
le
holder,
check
and
lower
the
depth.
2)
Check
depth
gauges
every
third
sharpening.
3)
Place
depth
gauge
tool
on
cutter.
If
depth
gauge
projects,
fi
le
it
level
with
the
top
of
the
tool.
Always
fi
le
from
the
inside
of
the
chain
toward
an
outside
cutter.
(
Fig.
43
)
000Book̲CS51EA̲Eng.indb 12
000Book̲CS51EA̲Eng.indb 12
2011/09/04 16:26:48
2011/09/04 16:26:48