Operation - DeWalt DWE4557 Instruction Manual

ENGLlSH
When using the DWE4557, DWE4559, DWE4579,
DWE4579R, DWE4597 or the DWE4599 grinder for
cutting metal or masonry a Type 1 guard MUST be
used. Type 1 guards are available at extra cost from
DEWALT distributors. .
NOTE: Please refer to the Grinding and Cutting
Accessory Chart at the end of this section to
show other accessaries that can be used with these
9rinders.
1. Piace the angle grinder on a table, spindle up.
2
Release the clamping lock (h) and hold the
guard (d) over the tool as shown.
3.
Align the lugs (i) with the notches U)
4. Press the guard down and rotate it to the
required posiiton.
5. If required, increase the clamping force by
tightening the screw (k).
6. Tighten the clamping lock.
To remove the guard, release the clamping lock.
A
CAUTION: If the guard cannol be
ill
lighlened by Ihe adjusling screw, do
noi use the 1001.To reduce Ihe risk of
personal injury, lake Ihe 1001 and guard
lo
<il
service cenlre to repair or replace
Ihe guardo
fitting and Bemovìnq a Grinding or
Cutting Dlsc (fig. 1, 3-5)
'" WARNlNG: Do not use
a
damaged
as=
1. Piace the tool on a table, guard up.
2.
Fit the backing flange (I) carrectly onto the
spindle (m) (fig. 3).
3. Piace the disc (o) on the backing flange (I)
(fig. 4). When fitting a disc with a raised centre,
make sure that the raised centre (p) is facing the
backing flange (I).
4. Screw the threaded clamp nut (n) onto the
spindle (m) (fig. 5):
a. The ring on the threaded clamp nut (n) must
face towards the disc when fitting a grinding
disc (fig. 5A);
b. The ring on the threaded clamp nut (n) must
face away from the disc when fitting a cutting
disc (fig. 5B).
5. Press the spindle lock butto n (c) and rotate the
spindle (m) until it locks in position (fig. 4)
6. Tighten the threaded clamp nut (n) with the
two-pin spanner supplied. NOTE: Refer to
Fitting and Removing a Grinding or Cutting
Disc with a Keyless Flange when using the
DWE4579R.
7. Release the spindle lock.
8. To remove the disc, loosen the threaded clamp
nut (n) with the two-pin spanner.
fitting and Removing a Grinding or
Cutting Disc with a Keyless flange
(fig. 7, 8)
DWE4579R ONlY
1. Perform steps 1-5 of Fitting and Removing
a
Grinding or Cutting Disc.
2.
Tighten the threaded keyless flange (s) by
turning it by hand clockwise firmly. (Only use a
flawless keyless flange.)
a. Be sure that the printed side of the keyless
flange is facing you.
b. The arrow must point to the index mark
(fig. 7).
3. Releas~ the spindle lock.
An undamaged keyless flange can be loosened
by hand when turning the flange ring in an anti-
clockwise direction.
NOTlCE: NEVER loosen
a
Ilghl keyless
flange with pliers. Always use Ihe Ihe
two-pin spanner (I) (fig. 8).
Prior to
Operation
• Install the guard and appropriate disc or wheel.
Do not use excessively worn discs or wheels.
o
Be sure the inner and outer flange are mounted
correctly. Follow the instructions given in the
Grinding and Cutting Accessory Chart.
• Make sure the disc or wheel rotates in the
direction of the arrows on the accessory and the
tool,
• Do not use a darnaged accessory. Before each
use inspect the accessory such as abrasive
wheels for chipsand cracks, backing pad
for cracks, tear
O(
excess wear, wire brush
for loose or cracked wires. If power tool or
accessory is dropped, inspect for damage
or install an undamaged accessory. After
inspecting and installing an accessory, position
yourself and bystanders away from the piane of
the rotating accessory and run the power tool
at maximum no-Ioad speed far one minute.
Damaged accessories will normally break apart
during this test time.
42
ENGlISH
OPERATION
lnstructions for Use
'" WARNING: Always observe Ihe safety
Lll
inslruclions and applicable regulations.
'" WARNING: To reduce the risk
Lll
ot serious personal injury, turn
tool off and disconnect tool trom
power source before making any
adjustments or removing/installing
attachments or accessories. Before
reconnecting Ihe tool, depress and
release Ihe Irigger swilch lo ensure Ihat
Ihe 1001 is off
'" WARNING:
Lll .
Ensure a/l malerials lo be ground or
cui are secured in piace.
o
Secure and support the workpiece.
Use clamps or
a
vice lo hold and
support the workpiece lo
a
stable
plafform. Il is importanl to clamp and
support I/le workpiece securely to
prevenl movemenl of Ihe workpiece
and loss of control. Movemenl of
the workpiece or loss of control may
create
a rezera
and cause personal
injury
• Support panels or any oversized
workpiece
to
minimize the risk
of wheel pinching and kickback.
Large workpieces tend to sag under
Iheir own weighl. Supports must be
placed under Ihe workpiece near the
line of cut and near Ihe edge of the
workpiece on both sides of the wheel.
• Always wear regular working gloves
while operating this 1001.
• Apply only
a
gentle pressure lo Ihe
1001. D o noi exert side pressure on Ihe
disco
o
Avoid overloading. Should the 1001
become hol, lei it run
a
few minules
under no load condition lo cool Ihe
accessory Do not touch accessories
before they have cooled. The discs
become very hol during use.
• Never work with Ihe grinding cup
withoul
a
suitable prolection guard in
piace.
o
Do not use Ihe power tool with
a
cut-
off stand.
• Never use blotters logelher wilh
bonded abrasive producls.
• Be aware, tne wheel continues lo
•rotaie after Ihe tools is switched ott.
o
The 1001 is noi designed lo be used
wilh
a
grinding cupo
o
Do noi use separale reducing
bushings or adapters lo adapl large
hole abrasive wheels.
Proper Hand Positìon (fig. 1)
A
WARNING: To reduce Ihe risk of
ili
serious personal injury, ALWAYS use
proper hand posilion es shown.
A.
WARNING: To reduce Ihe risk of
ill
serious personal injury, ALWAYS hold
securely in anlicipation of
a
sudden
reaclion.
Proper hand position
rèquires
one hand on the side
handle (e), with the other hand Oll the body of the
tool, as shown ill figure 1.
Switching
on
and OH (fig. 1)
The on/off switch is equipped with
an
unlockinq
switch.
To run the tool, depress the unlocking switch (b) and
subsequently operate the on/off switch (a).
Release the uillockillg switch (b).To stop the tool,
release the switch.
tock-on
Button
(fig. 1)
DWE4579, DWE4579R, DWE4597, DWE4599
For continuous operation depress the lock -Oll buttor
(g) and release the on/off trigger switch.
To stop the tool press the
on/of
switch aqain.
The lock-on button
can
be permanently removed
without cornprorrisirc compliance with regulatory
agencies shown on the tool's nameplate. Removal
of the lock pin must be done by a DEWALT Service
Centre.
Spindle lock (fig. 1)
The spindle lock (c) is provided to prevent the
spindle from rotating when ìnstallinq or removing
wheels. Operate the spindle lock only when the tool
is turned off, unplugged from the power supply, and
has come to a complete stop.
NOTICE: To reduce the risk of damage
lo the 1001,do not engage Ihe spindle
lock whi/e the 1001 is operaling. Damage
lo Ihe 1001will resull and attached
43