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Guard Installation; Switch Operation - DeWalt DW474 Instruction Manual

7" angle grinder

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seruice
facilÿ.
lnspæt ertension ærds
peiodically
and
replace
if
damaged. Keep handles dry, clean, and lree from
oil and
grease.
DISCONNECT
OR
LOCK
OFF TOOLS when not
in
use, before
seruicing,
and
when changing
accessories,
such as
blades,
bits,
cutters.
REMOVE ADJUSTING KEYS AND
WRENCHES.
Form habit
of
checking to
see that
keys and adjusting wrenches are removed from
tool
before tuming it
on.
AVOID UN,NTENTIONAL
STARTING.
Don't carry tool with
finger
on
switch.
Be
sure switch
is
off
when
plugging
in.
EXTENSION CORDS.
Make sure your ertension cord
is
in good
condition. When using an ertension cord, be sure to
one heavy
enough
to
cany
the cunent your product will
draw.
An
undersized
cord
will cause
a
drop
in line
voltage resulting
in
lo*s
of
power
and
overheating.
The
following
table
shows the
correct
size to
use
depending on cord length and nameplate ampere rating.
lt
in
doubt,
use the next
heavier
gage.
The
smaller
the
gage number,
the
heavier
the cord.
OUTDOOR
USE
EXTENSION CORDS. When
tool
is
used
outdoors,
use
onÿ
ertension cords
intended
lor
use
outdoors
and
so marked.
STAY
ALERT.
Watch
what
you
are doing. Use
common
sense. Do
not operate tool
when
you are
tired.
.
CHECK
DAMAGED
PARTS. Before
tufircr
use
of
thë
tool,
a
guard
or
other
part
that
is
damaged should be carefully cheçked
to
determine that
it
will
operate
properly
and
pertorm
its
intended
function. Check for alignment
of
moving pails, binding
of
moving
parts,
breakage
of
pafts,.
mounting,
and any other conditions
that
may
atfect
its
operation.
A
guard
or
other
part
that
is
damaged
should be properly repaired
or
replaced by an authorized
seruice
center
unless otherwise
indicated
elsewhere
in
this
instruction
manual. Have defective switches replaced
by
authorized service
center. Do not
use
tool
if
switch does not tum it
on
and
off.
.
ALWAYS
WEAR
EYE
PNOTECNON.
.
KEEP GIIARDS
lN
PLACE.
.
Use
only grinding wheels having
a
maximum operating
speed
at
least
high as
"No
Load RPM" marked on the tool's nameplate.
.
Before using,
inspect
reæmmended accessory
for
cracks or flaws.
lf
such
a
crack
or
flaw
is
evident, discard
the
accessory.
The
accessory
should
also
be
inspected whenever
you
think the
tool
may have been
dropped.
When
btaiing
the
tool
(with
a
new or
replacement
wheel
installed)
hold the tool
in
a
well
protected area
and
let
it run for one minute.
lf
the wheel
has
an
undetected
crack
or
ftaw,
it
shoutd
burst
in
tess
than
one
minute. Never
stan the
tæl
with a
person in line
with the
wheel.
This
includes
the
operator.
ln
operation, avoid bouncing
the
wheel or giving
rt
rough
treatment.
lf
this
occurs,
stop
the
tool
and
inspect
the
wheet.
ALWAYS
USE
GUARDS
with
depressed
center
wheels
or
flaring
cup
ginding
wheels.
Clean
your
tool out
periodically.
CAUTION: Some wood contains preservatives
such as
copper
chromium
arsenate (CCA) which can
be
toxic. When
sanding
these
materials extra care should
be
taken to avoid inhalation and
minimize
skin contact.
SAVE THESE INSTRUCTIONS FOR FUTURE
USE
Volts
r20v
I
hon
Minimum Goge
for
Cond
Sets
Totul tengrh of
Cond
in
Feet
o-25 26-50
5t -l
00
I
0t -150
Not
more
Thon
Americon
Wire
Goge
0
6
l0
12
6
t8
10
t8
12
16
t6
l6
l6
l6
14
14
12
12
16
14
12
Not
Recommenderl
COUNTER CLOCKWISE
Ftc.s
-
FIG.1
NOTE:
The
Guard will
fit
in
one
position. lf
the
holes are
not
aligned,
rotate Guard
until they
are.
FlG. 4
LOCK
BUTTON
BACKING
HUB
FIBRE
Guard
lnstallation
(FlG.l )
Turn off and unplug grinder.
A wheel guard
is
packed
with your grinder
that
must
be
used
whenever
using a depressed center grinding wheel.
NOTE:
A
special
guard is
required
for
use
with
a
Flaring Cup Wheel.
Do not attempt
to
use a flaring cup wheel with the wheel
guard
supplied with your grinder. (See page
4.)
To
install
the
guard
to the
grinder, place it over
the
spindle,
as
shown
in
Figure
1,
and
install
the
provided
three socket
head
screws
(5/32" hex) and
lock
washers
in
the three holes
in
the housing adjacent
to
the spindle. Tighten these screws securely.
NOTE:
The
guard
will only
fit
in one
position.
lf
the
holes
are
not
aligned,
loosen
the
hex nut,
rotate
guard
until
they are and
retighten
the hex
nut.
An
adjustable
skirt guard is
available
at
extra
cosl
lor
use
with
flaring
cup wheels only.
(wheels
also
available
at
extra
cost) The
adjustable
skirt guard
installs
to the same
center
three holes
used
to
mount the
wheel guard included with the tool. The depressed center wheèl guard
must be removed before mounting the adjustable skirt guard.
NOTE:
NEVER ATTEMPT
TO
USE ANY TYPE OF
GRINDING
WHEEL
WITHOUT
THE
PROPER GUARD.
TO
DO SO WOULD
BE
EXTREMELY
HMARDOUS.
Swr'tch Operation (FIG.
2,
To
start
tool
press buttons
A and B
at
the
same
time.
For continuous
operation with switch locked ON
press
only button B.
To
release
switch press button A and release.
LOGK
BUTTON
SANDING
DISC
BACKING
CLOCKWISE

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