7
0.5
–
1
mm
23
22
24
Fig.
12
CAUTION
PROPER
TENSION
IS
EXTREMELY
IMPORTANT(
Fig.
11,
12
)
8.
Raise
the
bar
end
and
securely
tighten
the
chain
bar
clamp
nuts
with
the
box
wrench.
(
Fig.
11
)
9.
A
new
chain
will
stretch
so
adjust
the
chain
after
a
few
cuts
and
watch
chain
tension
carefully
for
the
fi
rst
half
hour
of
cutting.
NOTE
Check
the
chain
tension
frequently
for
optimum
performance
and
durability.
CAUTION
○
When
the
chain
is
excessively
tightened,
the
bar
and
chain
will
be
damaged
rapidly.
Conversely,
when
the
chain
is
excessively
loosened,
it
may
get
out
of
the
groove
in
the
bar.
○
Always
wear
gloves
when
touching
the
chain.
WARNING
During
operation,
hold
chain
saw
fi
rmly
with
both
hands.
A
single
hand
operation
may
cause
serious
injury.
OPERATING
PROCEDURES
Fuel
(
Fig.
13
)
A
B
Fig.
13
WARNING
○
This
unit
is
equipped
with
a
two-stroke
engine.
Always
run
the
engine
on
fuel,
which
is
mixed
with
oil.
Provide
good
ventilation,
when
fueling
or
handling
fuel.
○
Fuel
contains
highly
fl
ammable
and
it
is
possible
to
get
the
serious
personal
injury
when
inhaling
or
spilling
on
your
body.
Always
pay
attention
when
handling
fuel.
Always
have
good
ventilation
when
handling
fuel
inside
building.
Fuel
○
Always
use
branded
89
octane
unleaded
gasoline.
○
Use
genuine
two-cycle
oil
or
use
a
mix
between
25:1
to
50:1,
please
consult
the
oil
bottle
for
the
ratio
or
Tanaka
dealer.
○
If
genuine
oil
is
not
available,
use
an
anti-oxidant
added
quality
oil
expressly
labeled
for
air-cooled
2-cycle
engine
use
(JASO
FC
GRADE
OIL
or
ISO
EGC
GRADE).
Do
not
use
BIA
or
TCW
(2-stroke
water-cooling
type)
mixed
oil.
○
Never
use
multi-grade
oil
(10
W/30)
or
waste
oil.
○
Always
mix
fuel
and
oil
in
a
separate
clean
container.
Always
start
by
fi
ling
half
the
amount
of
fuel,
which
is
to
be
used.
Then
add
the
whole
amount
of
oil.
Mix
(shake)
the
fuel
mixture.
Add
the
remaining
amount
of
fuel.
Mix
(shake)
the
fuel-mix
thoroughly
before
fi
lling
the
fuel
tank.
Fueling
WARNING
○
Always
shut
o
ff
the
engine
before
refueling.
○
Slowly
open
the
fuel
tank,
when
fi
lling
up
with
fuel,
so
that
possible
over-pressure
disappears.
○
Tighten
the
fuel
cap
carefully,
after
fueling.
○
Always
move
the
unit
at
least
3
m
from
the
fueling
area
before
starting.
○
Always
wash
any
spilled
fuel
from
clothing
immediately
with
soap.
○
Be
sure
to
check
for
any
fuel
leakage
after
refueling.
Before
fueling,
clean
the
tank
cap
area
carefully,
to
ensure
that
no
dirt
falls
into
the
tank.
Make
sure
that
the
fuel
is
well
mixed
by
shaking
the
container,
before
fueling.
Chain
oil
(
Fig.
14
)
Fill
up
with
chain
oil
(25).
Always
use
good
quality
chain
oil.
When
the
engine
is
running,
the
chain
oil
is
automatically
discharged.
25
1
cm
Fig.
14
NOTE
Add
chain
oil
when
its
level
lowers
to
one
centimeter
from
bottom,
(
Fig.
14
)
ADJUSTMENT
OF
CHAIN
OIL
SUPPLY
The
chain
oil
quantity
discharged
through
the
lubrication
system
is
factory-adjusted
to
the
standard.
Adjust
the
quantity
in
accordance
with
the
operating
condition.
The
numbered
label
(26)
describes
order
of
chain
oil
adjustment.
(
Fig.
15
)
○
Loosen
the
fi
screw
(27)
one
turn.
(
Fig.
15
)
○
Turn
the
adjusting
screw
(28)
clockwise
to
decrease
the
quantity
and
turn
it
counter-clockwise
to
increase
the
quantity.
(
Fig.
16
)
○
Do
not
try
to
turn
the
screw
(28)
clockwise
beyond
I
turn
from
its
most
counter-clockwise
position
or
the
maximum
quantity
discharged
position.
○
After
adjustment
has
been
made,
tighten
fi
screw
(27).
(
Fig.
15
)
26
27
Fig.
15
000Book̲TCS27EPA(S)̲Eng.indb 7
000Book̲TCS27EPA(S)̲Eng.indb 7
2012/04/04 16:47:15
2012/04/04 16:47:15
