EarthWise CCS30008 Manual del operador Pagina 6
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OPERATING
CHAIN TENSION
AND
MAINTENANCE
CHAIN TENSION
Stoo
me
engine
before
setting
the
chain
tension.
Ma"'e
sure
the
guide
bar
screw
is loosened to finger
tigh~
tum
1t\e
chain
tensloner
ctockwise
to
toosion the
chain.
A
cold
chain
wi~
be
oorrectly
ten-
sioned
when
there
is
no
slack
on
the
underside
of
the
guide
bar,
the
cI1ain
is
snug,
bul it
can
be
turned
by
hand
wHhoul
binding.
Chain must
be
re-tensioned whenever the fiats
on
the dhvs links
hang out ofthe bar groove.
During
nonmal
saw
operation, the temperature of the
cI1aln
will
Increase, The dlive links
01
a correctly tensioned warm chain wiil
hang
approximately .050
in.
(1.25mm) out
of
the bar
groove,
Be
aware that chain tensioned while
wanm,
may
be
too tight
upon
cooling, Check the "cold tension" before next
use,
NOTE:
A
new
chain
tends
to
stretCh,
check
chain
tension
frequently
and
tension
as
required,
CHAIN
MAINTENANCE
CAUTION:
Disconnectfrom the power supply
and
make
sure
the
chain has stopped before you
do
any
woli<:
on
the
saw,
For
smooth
and
fast
culling,
chain
needs
lJ:)
be
maintained
properly,
The
chain
requires
sharpening
when
the
wOOd
chips
are
small
and
powdery,
the
chain
must
be
famed
through
the
wOOd
during
cutting,
or
the
chain
cuts
to
one
Side,
Duling
maintenance
of
your
chain
rernembe.~
- Improper filing angle
of
the side plate
can
increase the fisk of
severe kickback
Raker
(depth gauge) clearance,
Too
low
increases the potential for kickback,
Not
low
enough decreases cutting ability,
-
If
cutter meth have hit
hard
objec!s
such
as
nails and
stones,
or
have
been
abraded
by
mud
or sand
on
the
wood, have service
dealer sharpen chain
NOTE:
chain,
If
signs of wear or damage are present in
the drive sprocket for wear or damage when
have the drive sprocket replaced by
an
HOW
TO
SHARPEN
THE
CUTTERS
8e careful
10
file
all
cutters
to
the
spacified angles
and
to
the
same
length,
as
fast cutting
can
be
obtained only
when
all
cutters
are
uniform.
Wear gloves for protection,
Prope~y
tension the chain pno, to
sharpening, Refer
to
"Chain Tension Section" earlier
in
this
manual.
Do
all
of your filing at the midpoint of the
bar.
Use
a
5132
in,
diameter round file
and
holder.
Keep
the
fila level with the top plate
of the tooth.
Do
not let the file dip or
rock,
Using
light but firm pressure,
stroke towards
the
front comer of
the
tooth,
Using
light but lirm pressure, stroke
towards the front comer
of
the
tooth.
lilt
file
away
from
the
stael
on
aacl1
return
stroke.
Put
a lew fil:'" strokes
on
every
tooth,
File alilef! hand cutters in
one
direction. Then move to the other side
and
file the right hand
cutters in the opposlte direction,
OccaSionally
remove filing from
the file with a wire
brush,
WARNING: Improper ellain sharpening increases
the
potential
of kickback,
WARNING: Failure to replace or repair damaged chain
can
cause
serious inlury.
WARNING: The
saw
chain
is
very
sharp,
always wear protective
gloves when performing maintenance to the
cham,
TOP
PLATE
FILING ANGLE
Co!!'ec!
30
degrees - File holders are
mali<:ed
with
guide marks to
align file propany to produce top plate angle,
less
than 30 degrees - for
cross cutting,
More
than 30 degrees
-feath-
ered edge dulls quickly,
SIDE
PLATE
ANGLE
Cocec! -
80
degrees produced automatically
if
correct diameter
file is
used
in
file holder.
Hook - "Grabs'
and
dulls quickly,
Increases poter.tial
01
kickback.
Results from using a file with a
diameter too
small,
or file held
to
low,
Backward Slope - Needs too much
feed
pressure,
causes
excesslve
wearto bar
and
chain. Results from
using a file with a diameter
too
large, ortile
held
too high
DEPTH GAUGE CLEARANCE
The
depth gauge
Should
be
maintained
at
a clearance
of
.025
in,
(0,6
mm),
Use
a gauge
tool
for checking the
gauge
clearances
Every time
the
cI1ain
is
flied,
cI1eck
the
depth gauge clearance
Use
a fiat file and a depth gauge jointer to lower
all
gauges
unffonmly.
Depth
gauge
jOinters
are available
in
,020
in,
to .035
In,
(0,5
mm
to 0,9
mm),
Use
a
025
in.
(0.6
mm)
depth
gauge
jointer. After lowering each
depth
gauge, restore ortginal shape
by
rounding !he front. 8e careful not
to
damage adjoining drive links
with
the
edge
of
the
file,
Depth
gauges
must
be
adjustad
wfth
the
fiat
file
in
the
same
direction
the
adjoining
cutter
was
filed
wfth
the
round
file.
Use
care
not to
contact
cutter
face
with
flat
file
when
adjusting
depth
gauges,
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